Image not available
Illustrative purposes only
YNC12S20-DG
NON ISO- ADJUST O/P DC TO DC CONVERTERS
⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.
- Manufacturer: BEL / PARTNER STOCK
- Product type: DC / DC Non Isolated Board Mount Converters - Adjustable Output
- SVHC: To Be Advised
- Product Range: -
| Delivery and price | |
|---|---|
| Units per pack | 18 |
| Price | 24.43 € |
| Current stock | 100+ |
| Lead time | 30 days |
Datasheet
- RoHS lead-free solder and lead-solder-exempted products are available - Delivers up to 20 A (100 W) - Extended input range 9.6 V – 14 V - High efficiency (0.94 at 5 V output) - Surface-mount package - Industry-standard footprint and pinout - Small size and low profile: 1.30” x 0.53” x 0.314” (33.02 x 13.46 x 7.98 mm) - Weight: 0.22 oz [6.12 g] - Coplanarity less than 0.003”, maximum - Synchronous Buck Converter topology - Source and sink capable Bel Power Solutions point-of-load converters are recommended for use with regulated bus converters in an Intermediate Bus Architecture (IBA). The YNC12S20 nonisolated DC-DC converter delivers up to 20 A of output current in an industry-standard surface-mount package. Operating from a 9.6 to 14 VDC input, the YNC12S20 converter is an ideal choice for Intermediate Bus Architectures where point-of-load power delivery is generally a requirement. It provides a resistor-programmable regulated output voltage of 0.7525V to 5.5V. The Y-Series converters provide exceptional thermal performance, even in high temperature environments with minimal airflow. This is accomplished through the use of circuit, packaging and processing techniques to achieve ultra-high efficiency, excellent thermal management and a very low body profile. The low body profile and the preclusion of heat sinks minimize impedance to system airflow, thus enhancing cooling for both upstream and downstream devices. The use of 100% automation for assembly, coupled with advanced power electronics and thermal design, results in a product with extremely high reliability. - Start-up into pre-biased output - No minimum load required - Programmable output voltage via external resistor - Operating ambient temperature: -40 °C to 85 °C - Remote output sense - Remote ON/OFF (Positive or Negative) - Fixed-frequency operation - Intermediate Bus Architectures - Telecommunications - ▪ Data Communications ▪ Distributed Power Architectures ▪ Servers, Workstations - Auto-reset output overcurrent protection - Auto-reset overtemperature protection - High reliability, MTBF = TBD Million Hours - All materials meet UL94, V-0 flammability rating - Approved to the latest edition and amendment of ITE Safety standards, UL/CSA 60950-1 and IEC60950-1 - High Efficiency – no heat sink required - ▪ Reduces Total Solution Board Area ▪ Tape and Reel Packing ▪ Compatible with Pick & Place Equipment ▪ Minimizes Part Numbers in Inventory **North America** +1 866 513 2839 **Asia-Pacific** +86 755 29885888 **Europe, Middle East** +353 61 225 977 tech.support@psbel.com . © 2015 Bel Power Solutions, Inc. BCD.00700_AA ## **1. ELECTRICAL SPECIFICATIONS** Conditions: TA = 25ºC, Airflow = 200 LFM (1 m/s), Vin = 12 VDC, Vout = 0.7525 - 5.5 V, unless otherwise specified. **==> picture [502 x 517] intentionally omitted <==** **----- Start of picture text -----**<br> ||||||||| |---|---|---|---|---|---|---|---| |PARAMETER|NOTES|MIN|TYP|MAX|UNITS| |Absolute Maximum Ratings| |Input Voltage|Continuous|-0.3|15|VDC| |Operating Ambient Temperature|-40|85|°C| |Storage Temperature|-55|125|°C| |Feature Characteristics| |a| |Switching Frequency|300|kHz| |Output Voltage Programming Range|[1]|By external resistor, See Trim Table 1|0.7525|5.5|VDC| |Remote Sense Compensation|[1]|0.5|VDC| |Turn-On Delay Time|Full resistive load|a| |With Vin = (Module Enabled, then Vin applied)|From Vin = Vin(min) to Vo=0.1* Vo(nom)|3|ms| |With Enable (Vin = Vin(nom) applied, then enabled)|From enable to Vo= 0.1*Vo|»|N|(nom)|3|ms| |Rise time|From 10% to 90%, full resistive load|4|ms| |Module Off|-5|0.8|VDC| |ON/OFF Control (Positive Logic)|[ 2]| |Module On|2.4|VIN|VDC| |Module Off|-|wn|»|N|2.4|VIN|VDC| |ON/OFF Control (Negative Logic)|[ 2]| |Module On|-5|0.8|VDC| |Input Characteristics| |Operating Input Voltage Range|9.6|12|14|VDC| |Turn-on Threshold|9|VDC| |Input Under Voltage Lockout| |Turn-off Threshold|8.5|VDC| |Maximum Input Current|—|||20 ADC Out @ 9.6 VDC In|=| |VOUT = 5.0 VDC|11.1|ADC| |YW|,|N|VOUT = 3.3 VDC|7.6|ADC| |VOUT = 2.5 VDC|5.9|ADC| |VOUT = 2.0 VDC|4.8|ADC| |Y|fi|=| |VOUT = 1.8 VDC|4.4|ADC| |VOUT = 1.5 VDC|3.8|ADC| |Y|fj|Y|4|~~| |VOUT = 1.2 VDC|3.1|ADC| |~~|Sy|4|VOUT = 1.0 VDC|2.7|ADC| |VOUT = 0.7525 VDC|2.2|ADC| |Input Stand-by Current (Module disabled)|5|mA| |~|4|aT| |Input No Load Current (Module enabled)|VOUT = 5.0 VDC|80|mA| |VOUT = 3.3 VDC|62|mA| |»|SN|Y|fi| |VOUT = 2.5 VDC|52|mA| |VOUT = 2.0 VDC|47|mA| |»|~|f| |VOUT = 1.8 VDC|45|mA| |vW|VOUT = 1.5 VDC|43|mA| |VOUT = 1.2 VDC|41|mA| |VOUT = 1.0 VDC|39|mA| |VOUT = 0.7525 VDC|35|mA| |Input Reflected-Ripple Current - is|See Fig. F for setup. (BW=20 MHz)|TBD|mAP-P| |Input Voltage Ripple Rejection|120 Hz|72|dB| **----- End of picture text -----**<br> ## **Notes:** - 1 The output voltage should not exceed 5.5V (taking into account both the programming and remote sense compensation). 2 Converter is on if ON/OFF pin is left open. - 3 - Note that start-up time is the sum of turn-on delay time and rise time. +1 866 513 2839 tech.support@psbel.com meee © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [506 x 428] intentionally omitted <==** **----- Start of picture text -----**<br> ||||||||||||| |---|---|---|---|---|---|---|---|---|---|---|---| |PARAMETER|NOTES|MIN|TYP|MAX|UNITS| |Output Characteristics| |Output Voltage Set Point (no load)|-1.5|Vout|+1.5|%Vout| |Output Regulation| |Over Line|Full resistive load|2|mV| |Over Load|From no load to full load|10|mV| |Overall operating input voltage, resistive| |Output Voltage Range|load and temperature conditions until end of|-2.5|+2.5|%Vout| |life.| |Output Ripple and Noise - 20MHz bandwidth (Fig. F)|Over line, load and temperature| |Peak-to-Peak|VOUT = 0.7525 VDC|10|15|mVP-P| |Peak-to-Peak|VOUT = 5.0 VDC|35|50|mVP-P| |External Load Capacitance|Plus full load (resistive)| |ry|[ON]| |Min ESR > 1m|Ω|1000|μ|F| |Min ESR > 10 m|Ω|5000|μ|F| |»|N|a| |Output Current Range|0|20|A| |Output Current Limit Inception (IOUT)|26|A| |a|Gr|y|A| |Output Short-Circuit Current , RMS Value|Short=10 m|Ω|, continuous|6|A| |Dynamic Response| |Load current change from 10A – 20A, di/dt = 5 A/|μ|S|Co = 100|μ|F ceramic + 470|μ|F POS|140|mV| |Settling Time (VOUT < 10% peak deviation)|45|µs| |Unloading current change 20A – 10A, di/dt = -5 A/|=|μ|S|Co = 100|μ|F ceramic + 470|Ll|μ|F POS|140|mV| |Settling Time (VOUT < 10% peak deviation)|45|µs| |Efficiency|Full Load (20a)| |a| |VOUT = 5.0 VDC|94|%| |VOUT = 3.3 VDC|91|%| |yA|1|N|y||| |VOUT = 2.5 VDC|89|%| |VOUT = 2.0 VDC|87|%| |y|A|>|WV| |VOUT = 1.8 VDC|86|%| |»NyA|VOUT = 1.5 VDC|84|%| |VOUT = 1.2 VDC|81.5|%| |VOUT = 1.0 VDC|78|%| |»"|Y|4| |VOUT = 0.7525 VDC|73.5|%| **----- End of picture text -----**<br> +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA ## **2. OPERATIONS** ## **2.1. INPUT AND OUTPUT IMPEDANCE** The Y-Series converter should be connected via a low impedance to the DC power source. In many applications, the inductance associated with the distribution from the power source to the input of the converter can affect the stability of the converter. It is recommended to use decoupling capacitors in order to ensure stability of the converter and reduce input ripple voltage. The converter has an internal input capacitance of 40 μ F with very low ESR (ceramic capacitors). In a typical application, low - ESR tantalum or POS capacitors will be sufficient to provide adequate ripple voltage filtering at the input of the converter. However, very low ESR ceramic capacitors 47 μ F-100 μ F are recommended at the input of the converter in order to minimize the input ripple voltage. They should be placed as close as possible to the input pins of the converter. YNC12S20 has been designed for stable operation with or without external capacitance. Low ESR ceramic capacitors placed as close as possible to the load (Min 47 μ F) are recommended for improved transient performance and lower output voltage ripple. It is important to keep low resistance and low inductance PCB traces for connecting load to the output pins of the converter in order to maintain good load regulation. ## **2.2. ON/OFF (PIN 1)** The ON/OFF pin is used to turn the power converter on or off remotely via a system signal. There are two remote control options available, positive logic (standard option) and negative logic, and both are referenced to GND. Typical connections are shown in Fig. A. The positive logic version turns the converter on when the ON/OFF pin is at a logic high or left open, and turns the converter off when at a logic low or shorted to GND. **==> picture [231 x 98] intentionally omitted <==** **----- Start of picture text -----**<br> Vin Nex TM -c Series SENSE<br>Converter<br>R*<br>(Top View)<br>ON/OFF Vout<br>Vin<br>Rload<br>GND TRIM<br>CONTROL<br>INPUT<br>R* is for negative logic option only<br>**----- End of picture text -----**<br> Fig. A: Circuit configuration for ON/OFF function. The negative logic version turns the converter on when the ON/OFF pin is at logic low or left open, and turns the converter off when the ON/OFF pin is at a logic high or connected to Vin. ON/OFF pin is internally pulled-up to Vin for a positive logic version, and pulled-down for a negative logic version. A TTL or CMOS logic gate, open collector (open drain) transistor can be used to drive ON/OFF pin. When using open collector (open drain) transistor with a negative logic option, add a pull-up resistor (R*) of 75 k Ω to Vin as shown in Fig. A; This device must be capable of: - sinking up to 0.2 mA at a low level voltage of 0.8 V - sourcing up to 0.25 mA at a high logic level of 2.3V – 5V - sourcing up to 0.75 mA when connected to Vin. ## **2.3. REMOTE SENSE (PIN 2)** The remote sense feature of the converter compensates for voltage drops occurring only between Vout pin (Pin 4) of the converter and the load. The SENSE (Pin 2) pin should be connected at the load or at the point where regulation is required (see Fig. B). There is no sense feature on the output GND return pin, where a solid ground plane is recommended to provide low voltage drop. If remote sensing is not required, the SENSE pin must be connected to the Vout pin (Pin 4) to ensure the converter will regulate at the specified output voltage. If these connections are not made, the converter will deliver an output voltage that is slightly higher than the specified value. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [228 x 93] intentionally omitted <==** **----- Start of picture text -----**<br> Vin Nex TM -c Series SENSE<br>Converter<br>(Top View) Rw<br>ON/OFF Vout<br>Vin<br>Rload<br>GND TRIM<br>Rw<br>**----- End of picture text -----**<br> Fig. B: Remote sense circuit configuration. Because the sense lead carries minimal current, large traces on the end-user board are not required. However, sense traces should be located close to a ground plane to minimize system noise and ensure optimum performance. When utilizing the remote sense feature, care must be taken not to exceed the maximum allowable output power capability of the converter, equal to the product of the nominal output voltage and the allowable output current for the given conditions. When using remote sense, the output voltage at the converter can be increased up to 0.5V above the nominal rating in order to maintain the required voltage across the load. Therefore, the designer must, if necessary, decrease the maximum current (originally obtained from the derating curves) by the same percentage to ensure the converter’s actual output power remains at or below the maximum allowable output power. ## **2.4. OUTPUT VOLTAGE PROGRAMMING (PIN 3)** The output voltage can be programmed from 0.7525V to 5.5V by connecting an external resistor between TRIM pin (Pin 3) and GND pin (Pin 5); see Fig. C. **==> picture [393 x 179] intentionally omitted <==** **----- Start of picture text -----**<br> A trim resistor, RTRIM, for a desired output voltage can be calculated using the following equation:<br>10.5<br>RTRIM = − 1 [k ]<br>(VO-REQ- 0.7525)<br>where,<br>RTRIM = Required value of trim resistor [k ]<br>VO − REQ = Desired (trimmed) output voltage [V]<br>Vin Nex TM -c Series SENSE<br>Converter<br>(Top View)<br>ON/OFF Vout<br>Vin<br>Rload<br>TRIM<br>GND<br>RTRIM<br>**----- End of picture text -----**<br> Fig. C: Configuration for programming output voltage. Note that the tolerance of a trim resistor directly affects the output voltage tolerance. It is recommended to use standard 1% or 0.5% resistors; for tighter tolerance, two resistors in parallel are recommended rather than one standard value from Table 1. The ground pin of the trim resistor should be connected directly to the converter GND pin (Pin 5) with no voltage drop in between. Table 1 provides the trim resistor values for popular output voltages. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA |**V0-REG [V]**|**RTRIM [kΩ] **|**The Closest Standard**<br>**Value [kΩ] **| |---|---|---| |0.7525|open|| |1.0|41.2|41.2| |1.2|22.46|22.6| |1.5|13.0|13.0| |1.8|9.0|9.09| |2.0|7.4|7.32| |2.5|5.0|4.99| |3.3|3.12|3.09| |5.0|1.47|1.47| |5.5|1.21|1.21| ||Table 1: Trim Resistor Value|| The output voltage can be also programmed by external voltage source. To make trimming less sensitive, a series external resistor Rext is recommended between the TRIM pin and the programming voltage source. Control Voltage can be calculated by the formula: **==> picture [342 x 277] intentionally omitted <==** **----- Start of picture text -----**<br> VCTRL = 0.7 − (1 + REXT)(VO-REQ- 0.7525) [V]<br>15<br>where,<br>VCTRLCTRL = Control voltage [V]<br>REXTEXT =<br>output voltage range [k ].<br>Control voltages with REXT = 0 and REXT = 15k are shown in Table 2.<br>V0-REG [V] VCTRL (REXT = 0) VCTRL(REXT = 15k)<br>0.7525 0.700 0.700<br>1.0 0.684 0.436<br>1.2 0.670 0.223<br>1.5 0.650 -0.097<br>1.8 y N 0.630 -0.417<br>2.0 0.617 -0.631<br>2.5 0.584 -1.164<br>Y 4<br>3.3 0.530 -2.017<br>5.0 0.417 -3.831<br>Y A<br>5.5 0.384 -4.364<br>Table 2: Control Voltage [VDC]<br>**----- End of picture text -----**<br> **==> picture [477 x 40] intentionally omitted <==** **----- Start of picture text -----**<br> VCTRLCTRL = Control voltage [V]<br>REXTEXT = External resistor between TRIM pin and voltage source; the value can be chosen depending on the required<br>output voltage range [k ].<br>**----- End of picture text -----**<br> ## **3. PROTECTION FEATURES** ## **3.1. INPUT UNDERVOLTAGE LOCKOUT** Input undervoltage lockout is standard with this converter. The converter will shut down when the input voltage drops below a pre-determined voltage; it will start automatically when Vin returns to a specified range. The input voltage must be at least 9.6V (typically 9V) for the converter to turn on. Once the converter has been turned on, it will shut off when the input voltage drops below typically 8.5V. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA ## **3.2. OUTPUT OVERCURRENT PROTECTION (OCP)** The converter is protected against overcurrent and short-circuit conditions. Upon sensing an over-current condition (see Fig. D), the converter will enter hiccup mode. Once the overload or short circuit condition is removed, Vout will return to nominal value. |Yu eT tT Fig. D: Output short circuit current (10 A/div) (RLOAD= 10 mOhm) for Vout = 5.0 V Time scale: 1 ms/div.; Bottom trace: Zoomed current with time scale 0.1 ms/div. **3.3. OVERTEMPERATURE PROTECTION (OTP)** The converter will shut down under an overtemperature condition to protect itself from overheating caused by operation ~/ outside the thermal derating curves, or operation in abnormal conditions such as system fan failure. After the converter has cooled to a safe operating temperature, it will automatically restart. ## **3.4. SAFETY REQUIREMENTS** The converter meets North American and International safety regulatory requirements per UL60950 and EN60950. The maximum DC voltage between any two pins is Vin under all operating conditions. Therefore, the unit has ELV (extra low voltage) output; it meets SELV requirements under the condition that all input voltages are ELV. The converter is not internally fused. To comply with safety agencies requirements, a recognized fuse with a maximum rating of 20 Amps must be used in series with the input line. ## **4. CHARACTERIZATION** ## **4.1. GENERAL INFORMATION** The converter has been characterized for many operational aspects, to include thermal derating (maximum load current as a function of ambient temperature and airflow) for vertical and horizontal mounting, efficiency, start-up and shutdown parameters, output ripple and noise, transient response to load step-change, overload, and short circuit. The figures are numbered as Fig. x.y, where x indicates the different output voltages, and y associates with specific plots (y = 1 for the vertical thermal derating, …). For example, Fig. x.1 will refer to the vertical thermal derating for all the output voltages in general. The following pages contain specific plots or waveforms associated with the converter. Additional comments for specific data are provided below. ## **4.2. TEST CONDITIONS** All thermal and efficiency data presented were taken with the converter soldered to a test board, specifically a 0.060” thick printed wiring board (PWB) with four layers. The top and bottom layers were not metalized. The two inner layers, comprising two-ounce copper, were used to provide traces for connectivity to the converter. The lack of metalization on the outer layers as well as the limited thermal connection ensured that heat transfer from the converter to the PWB was minimized. This provides a worst-case but consistent scenario for thermal derating purposes. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA All measurements requiring airflow were made in vertical and horizontal wind tunnel facilities using Infrared (IR) thermography and thermocouples for thermometry. Ensuring components on the converter do not exceed their ratings is important to maintaining high reliability. If one anticipates operating the converter at or close to the maximum loads specified in the derating curves, it is prudent to check actual operating temperatures in the application. Thermographic imaging is preferable; if this capability is not available, then thermocouples may be used. It is recommended to use AWG #40 gauge thermocouples to ensure measurement accuracy. Careful routing of the thermocouple leads will further minimize measurement error. Refer to Fig. E for optimum measuring thermocouple location. ## **4.3. THERMAL DERATING** Load current vs. ambient temperature and airflow rates are given in Figs. x.1 for maximum temperature of 120 °C. Ambient temperature was varied between 25 °C and 85 °C, with airflow rates from 30 to 500 LFM (0.15m/s to 2.5 m/s), and vertical converter mounting. The airflow during the testing is parallel to the short axis of the converter, going from pin 1 and pin 6 to pins 2 – 5. For each set of conditions, the maximum load current was defined as the lowest of: (i) The output current at which either any MOSFET temperature did not exceed a maximum specified temperature (120°C) as indicated by the thermographic image, or (ii) The maximum current rating of the converter (20 A) During normal operation, derating curves with maximum FET temperature less than or equal to 120 °C should not be exceeded. Temperature on the PCB at the thermocouple location shown in Fig. E should not exceed 120 °C in order to operate inside the derating curves. BV Fig. E: Location of the thermocouple for thermal testing. **4.4. EFFICIENCY** Figure x.2 shows the efficiency vs. load current plot for ambient temperature of 25 ºC, airflow rate of 200 LFM (1 m/s) and input voltages of 9.6 V, 12 V, and 14 V. ## **4.5. POWER DISSIPATION** Fig. x.3 shows the power dissipation vs. load current plot for Ta = 25 ºC, airflow rate of 200 LFM (1 m/s) with vertical mounting and input voltages of 9.6 V, 12 V, and 14 V. ## **4.6. RIPPLE AND NOISE** The output voltage ripple waveform is measured at full rated load current. Note that all output voltage waveforms are measured across a 1 F ceramic capacitor. The output voltage ripple and input reflected ripple current waveforms are obtained using the test setup. See Figure F. **==> picture [219 x 58] intentionally omitted <==** **----- Start of picture text -----**<br> > iS<br>inductancesource 1 H CIN Nex TM -c Series 1 F CO<br>V source ceramic 4x47 F ConverterDC/DC capacitorceramic capacitorceramic 100 F Vout<br>capacitor<br>**----- End of picture text -----**<br> Fig. F: Test setup for measuring input reflected ripple currents, is and output voltage ripple. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA ## YNC12S20 25 20 ~~a~~ **==> picture [480 x 410] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20<br>15 a<br>500 LFM (2.5 m/s)<br>10 = 400 LFM (2.0 m/s) .<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>fo<br>0 ered<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 5.0V.1: Available load current vs. ambient temperature and airflow rates for Vout = 5.0 V converter mounted vertically<br>with Vin = 12 V, and maximum MOSFET temperature 120 C.<br>» N a<br>1.00 10<br>0.95 ae. 8 eee<br>0.90 6<br>Foo er a<br>0.85 4<br>PT fF [yf] 14 V a an 14 V 12 V<br>12 V 9.6 V<br>0.80 9.6 V 2<br>eee Fs =)<br>0.75 ee ee ee 0 ase<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Fig. 5.0V.2: Efficiency vs. load current and input voltage for Fig. 5.0V.3: Power loss vs. load current and input voltage for<br>Vout = 5.0 V converter mounted vertically with air flowing at Vout = 5.0 V converter mounted vertically with air flowing at<br>a rate of 200 LFM (1 m/s) and Ta = 25 C. a rate of 200 LFM (1 m/s) and Ta = 25 C.<br>Ff.<br>Q& = «Cf<br>Load Current [Adc]<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 5.0V.4: Turn-on transient for Vout = 5.0 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 5.0V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 5.0 V. Time scale: 2 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [472 x 280] intentionally omitted <==** **----- Start of picture text -----**<br> Fig. 5.0V.6: Output voltage response for Vout = 5.0 V to<br>Fig. 5.0V.7: Output voltage response for Vout = 5.0 V to<br>positive load current step change from 10 A to 20 A with<br>negative load current step change from 20 A to<br>slew rate of 5 A/ μ s at Vin = 12 V. Top trace: output voltage 10 A with slew rate of -5 A/ μ s at Vin = 12 V. Top trace:<br>(200 mV/div.); Bottom trace: load current (5 A/div.). output voltage (200 mV/div.); Bottom trace: load current<br>Co = 100 μ F ceramic. Time scale: 20 μ s/div. (5 A/div.). Co = 100 μ F ceramic. Time scale: 20 μ s/div.<br>25<br>20<br>_ ~ J<br>15 onan<br>10 == 500 LFM (2.5 m/s)400 LFM (2.0 m/s) e<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>fo<br>0 Ts]<br>1 LE<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 3.3V.1: Available load current vs. ambient temperature and airflow rates for Vout = 3.3 V converter mounted vertically with Vin =<br>12 V, and maximum MOSFET temperature 120 C.<br>y<br>Load Current [Adc]<br>**----- End of picture text -----**<br> **==> picture [480 x 156] intentionally omitted <==** **----- Start of picture text -----**<br> 1.00 10<br>0.950.90 GO 86<br>FA P| tt [|g] y<br>0.85 4 a<br>14 V a 14 V<br>12 V 12 V<br>0.80 9.6 V 2 AE] 9.6 V<br>0.75 0 ee<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 3.3V.2: Efficiency vs. load current and input voltage for Vout = 3.3 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. Fig. 3.3V.3: Power loss vs. load current and input voltage for Vout = 3.3 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA Fig. 3.3V.4: Turn-on transient for Vout = 3.3 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 3.3V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 3.3 V. Time scale: 2 _μ_ s/div. **==> picture [424 x 37] intentionally omitted <==** **----- Start of picture text -----**<br> | tt et | ft —pti)|e | TT<br>**----- End of picture text -----**<br> Fig. 3.3V.6: Output voltage response for Vout = 3.3 V to positive load current step change from 10 A to 20 A with slew rate of 5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 3.3V.7: Output voltage response for Vout = 3.3 V to negative load current step change from 20 A to 10 A with slew rate of -5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. **==> picture [226 x 155] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20 “SESS<br>15<br>10 = 500 LFM (2.5 m/s)<br>400 LFM (2.0 m/s)<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>0<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Load Current [Adc]<br>**----- End of picture text -----**<br> Fig. 2.5V.1: Available load current vs. ambient temperature and airflow rates for Vout = 2.5 V converter mounted vertically with Vin = 12 V, and maximum MOSFET temperature 120 C. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 414] intentionally omitted <==** **----- Start of picture text -----**<br> 1.00 10<br>0.950.90 foe 86<br>0.85 Yi | | | 4 fo4a<br>14 V<br>14 V 12 V<br>12 V 9.6 V<br>0.80 9.6 V 2<br>ey A _<br>0.75 ee ee 0 se<br>0 5 10 15 20 25 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Fig. 2.5V.2: Efficiency vs. load current and input voltage for Fig. 2.5V.3: Power loss vs. load current and input voltage for<br>Vout = 2.5 V converter mounted vertically with air flowing at Vout = 2.5 V converter mounted vertically with air flowing at<br>a rate of 200 LFM (1 m/s) and Ta = 25 C. a rate of 200 LFM (1 m/s) and Ta = 25 C.<br>~<br>eeeaf SR eo<br>“TEE yk) Eo<br>EELELE 0<br>IIE) Re RTA Ie ARTA<br>oe se REUENNTOTON<br>~EPEITATEEE) OPE<br>Lewes<br>TT Ig<br>Fig. 2.5V.4: Turn-on transient for Vout = 2.5 V with Fig. 2.5V.5: Output voltage ripple (20 mV/div.) at full rated<br>application of Vin at full rated load current (resistive) and 100 load current into a resistive load with external capacitance<br>μ F external capacitance at Vin = 12V. Top trace: Vin (10 100 μ F ceramic + 1 μ F ceramic and Vin = 12 V for<br>V/div.); Bottom trace: output voltage (1 V/div.); Vout = 2.5 V. Time scale: 2 μ s/div.<br>Time scale: 2 ms/div.<br>Kf ys<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 2.5V.6: Output voltage response for Vout = 2.5 V to positive load current step change from 10 A to 20 A with slew rate of 5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 2.5V.7: Output voltage response for Vout = 2.5 V to negative load current step change from 20 A to 10 A with slew rate of -5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 429] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20<br>15 TeSSe<br>500 LFM (2.5 m/s)<br>10<br>400 LFM (2.0 m/s)<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>Ep<br>0 Ee<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 2.0V.1: Available load current vs. ambient temperature and airflow rates for Vout = 2.0 V converter mounted vertically with Vin =<br>12 V, and maximum MOSFET temperature 120 C.<br>~~ a<br>1.00 8<br>0.95<br>6<br>0.90<br>=~ f<br>4<br>0.85<br>14 V 14 V<br>12 V 12 V<br>9.6 V 2 9.6 V<br>0.80 oo TE | a<br>0.75 ee 0<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Fig. 2.0V.2: Efficiency vs. load current and input voltage for Fig. 2.0V.3: Power loss vs. load current and input voltage for<br>Vout = 2.0 V converter mounted vertically with air flowing at Vout = 2.0 V converter mounted vertically with air flowing at<br>a rate of 200 LFM (1 m/s) and Ta = 25 C. a rate of 200 LFM (1 m/s) and Ta = 25 C.<br>| ft<br>| QT. YT | | | | € fF J ft |<br>Load Current [Adc]<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 2.0V.4: Turn-on transient for Vout = 2.0 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 2.0V.5: Output voltage ripple (20mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 2.0 V. Time scale: 2 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA Fig. 2.0V.6: Output voltage response for Vout = 2.0 V to Fig. 2.0V.7: Output voltage response for Vout = 2.0 V to positive load current step change from 10 A to 20 A with negative load current step change from 20 A to slew rate of 5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage 10 A with slew rate of -5A/ _μ_ s at Vin = 12 V. Top trace: output (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 voltage (200 mV/div.); Bottom trace: load current (5 A/div.). _μ_ F ceramic. Time scale: 20 _μ_ s/div. Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. **==> picture [438 x 215] intentionally omitted <==** **----- Start of picture text -----**<br> μ F ceramic. Time scale: 20 μ s/div. Co = 100 μ F ceramic. Time scale: 20 μ s/div.<br>25<br>20<br>15 SSS /<br>10 =~~ 500 LFM (2.5 m/s)400 LFM (2.0 m/s)<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>fo<br>0 roel| ld<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 1.8V.1: Available load current vs. ambient temperature and airflow rates for Vout = 1.8 V converter mounted vertically<br>with Vin = 12 V, and maximum MOSFET temperature 120 C.<br>Load Current [Adc]<br>**----- End of picture text -----**<br> **==> picture [480 x 156] intentionally omitted <==** **----- Start of picture text -----**<br> 0.95 8<br>0.90 |P||<br>6<br>0.85 S| y,<br>4<br>0.80<br>14 V 14 V<br>12 V 12 V<br>0.750.70 ee 9.6 V 20 ee 9.6 V<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 1.8V.2: Efficiency vs. load current and input voltage for Vout = 1.8 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. Fig. 1.8V.3: Power loss vs. load current and input voltage for Vout = 1.8 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA Fig. 1.8V.4: Turn-on transient for Vout = 1.8 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 1.8V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 1.8 V. Time scale: 2 _μ_ s/div. **==> picture [243 x 38] intentionally omitted <==** **----- Start of picture text -----**<br> | ef ft tf | pt tt<br>**----- End of picture text -----**<br> Fig. 1.8V.6: Output voltage response for Vout = 1.8 V to positive load current step change from 10 A to 20 A with slew rate of 5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 1.8V.7: Output voltage response for Vout = 1.8 V to negative load current step change from 20 A to 10 A with slew rate of -5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. **==> picture [226 x 155] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20<br>SSS<br>15 SSS<br>10 f~~ 500 LFM (2.5 m/s)400 LFM (2.0 m/s) =<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>fo<br>0 roel| ld<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Load Current [Adc]<br>**----- End of picture text -----**<br> Fig. 1.5V.1: Available load current vs. ambient temperature and airflow rates for Vout = 1.5 V converter mounted vertically with Vin = 12 V, air flowing and maximum MOSFET temperature 120 C. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 228] intentionally omitted <==** **----- Start of picture text -----**<br> 0.95 8<br>0.90<br>6<br>pt} fet | T | TT |<br>Za<br>0.85<br>Vann 4 ana<br>0.80<br>f7i | | tt 14 V 7 14 V<br>12 V 12 V<br>9.6 V 2 9.6 V<br>0.75<br>PTT TT E=) | yA BD<br>0.70 ee 0<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Fig. 1.5V.2: Efficiency vs. load current and input voltage for Fig. 1.5V.3: Power loss vs. load current and input voltage for<br>Vout = 1.5 V converter mounted vertically with air flowing at Vout = 1.5V converter mounted vertically with air flowing at a<br>a rate of 200 LFM (1 m/s) and Ta = 25 C. rate of 200 LFM (1 m/s) and Ta = 25 C.<br>ee =~<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> I Fig. 1.5V.4: Turn-on transient for Vout = 1.5 V with Fig. 1.5V.5: Output voltage ripple (20 mV/div.) at full rated application of Vin at full rated load current (resistive) and 100 load current into a resistive load with external capacitance _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for V/div.); Bottom trace: output voltage (1 V/div.); Vout = 1.5 V. Time scale: 2 _μ_ s/div. Time scale: 2 ms/div. - Fig. 1.5V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 1.5 V. Time scale: 2 _μ_ s/div. Fig. 1.5V.6: Output voltage response for Vout = 1.5 V to positive load current step change from 10 A to 20 A with slew rate of 5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 1.5V.7: Output voltage response for Vout = 1.5 V to negative load current step change from 20 A to 10 A with slew rate of -5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 368] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20 —— w VSEF|EsvrE____<br>15 SSS<br>500 LFM (2.5 m/s)<br>10<br>400 LFM (2.0 m/s)<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>0<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 1.2V.1: Available load current vs. ambient temperature and airflow rates for Vout = 1.2 V converter mounted vertically with Vin =<br>12 V, and maximum MOSFET temperature 120 C.<br>0.95 8<br>0.90<br>6<br>0.85 oe<br>4<br>0.80<br>a 14 V A 14 V<br>12 V 12 V<br>9.6 V 2 9.6 V<br>0.75<br>0.70 0<br>0 P| 4 tt 8 12 16 | eT 20 24 0 ST 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Load Current [Adc]<br>Power Dissipation [W]<br>Efficiency<br>**----- End of picture text -----**<br> Fig. 1.2V.2: Efficiency vs. load current and input voltage for Vout = 1.2 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. Fig. 1.2V.3: Power loss vs. load current and input voltage for Vout = 1.2 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. Fig. 1.2V.4: Turn-on transient for Vout = 1.2 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 1.2V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 1.2 V. Time scale: 2 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 432] intentionally omitted <==** **----- Start of picture text -----**<br> Fig. 1.2V.6: Output voltage response for Vout = 1.2 V to Fig. 1.2V.7: Output voltage response for Vout = 1.2 V to<br>positive load current step change from 10 A to 20 A with negative load current step change from 20 A to 108 A with<br>slew rate of 5 A/ μ s at Vin = 12 V. Top trace: output voltage slew rate of -5 A/ μ s at Vin = 12 V. Top trace: output voltage<br>(200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100<br>μ F ceramic. Time scale: 20 μ s/div. μ F ceramic. Time scale: 20 μ s/div.<br>25<br>20<br>Nw} J<br>15 St<br>500 LFM (2.5 m/s)<br>10<br>400 LFM (2.0 m/s)<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>0<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Fig. 1.0V.1: Available load current vs. ambient temperature and airflow rates for Vout = 1.0 V converter mounted vertically<br>with Vin = 12 V, and maximum MOSFET temperature 120 C.<br>xj a<br>0.90 8<br>0.85<br>6<br>Hat, ECT<br>0.80<br>Foss<br>0.75 4<br>| ] fo<br>0.70 14 V 14 V<br>12 V 12 V<br>9.6 V 2 9.6 V<br>0.65 Za<br>PE | LL<br>0.60 Se 0<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Load Current [Adc]<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> Fig. 1.0V.2: Efficiency vs. load current and input voltage for Vout = 1.0 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. Fig. 1.0V.3: Power loss vs. load current and input voltage for Vout = 1.0 V converter mounted vertically with air flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA Fig. 1.0V.4: Turn-on transient for Vout = 1.0 V with application of Vin at full rated load current (resistive) and 100 _μ_ F external capacitance at Vin = 12 V. Top trace: Vin (10 V/div.); Bottom trace: output voltage (1 V/div.); Time scale: 2 ms/div. Fig. 1.0V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 1.0 V. Time scale: 2 _μ_ s/div. Fig. 1.0V.6: Output voltage response for Vout = 1.0 V to positive load current step change from 10 A to 20 A with slew rate of 5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 1.0V.7: Output voltage response for Vout = 1.0 V to negative load current step change from 20 A to 10 A with slew rate of -5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. **==> picture [226 x 155] intentionally omitted <==** **----- Start of picture text -----**<br> 25<br>20<br>15 SSSVS<br>500 LFM (2.5 m/s)<br>10 f 400 LFM (2.0 m/s) eo<br>300 LFM (1.5 m/s)<br>200 LFM (1.0 m/s)<br>5 100 LFM (0.5 m/s)<br> 30 LFM (0.15 m/s)<br>0 e_-<br>20 30 40 50 60 70 80 90<br>Ambient Temperature [°C]<br>Load Current [Adc]<br>**----- End of picture text -----**<br> Fig. 0.7525V.1: Available load current vs. ambient temperature and airflow rates for Vout = 1.0 V converter mounted vertically with Vin = 12 V, and maximum MOSFET temperature 120 C. +1 866 513 2839 tech.support@psbel.com belpowersolutions.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA **==> picture [480 x 361] intentionally omitted <==** **----- Start of picture text -----**<br> 0.85 8<br>0.80<br>6<br>0.75<br>4<br>0.70 foo<br>14 V 14 V<br>12 V | fo UK 12 V<br>9.6 V 2 9.6 V<br>0.65<br>“Ey olLA<br>0.60 ee 0<br>0 4 8 12 16 20 24 0 4 8 12 16 20 24<br>Load Current [Adc] Load Current [Adc]<br>Fig. 0.7525V.2: Efficiency vs. load current and input voltage Fig. 0.7525V.3: Power loss vs. load current and input voltage<br>for Vout = 0.7525V converter mounted vertically with air for Vout = 0.7525V converter mounted vertically with air<br>flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C. flowing at a rate of 200 LFM (1 m/s) and Ta = 25 C.<br>eeeee<br>ee =X<br>>2 ee ee<br>es ee ee<br>epee pepe) sae a ee al he Sed ale<br>TEE se<br>leer PrPep. 6EPP<br>Tg<br>Efficiency<br>Power Dissipation [W]<br>**----- End of picture text -----**<br> **==> picture [219 x 45] intentionally omitted <==** **----- Start of picture text -----**<br> Fig. 0.7525V.4: Turn-on transient for Vout = 0.7525 V with<br>application of Vin at full rated load current (resistive) and 100<br>μ F external capacitance at Vin = 12 V. Top trace: Vin (10<br>V/div.); Bottom trace: output voltage (1 V/div.);<br>Time scale: 2 ms/div.<br>**----- End of picture text -----**<br> Fig. 0.7525V.5: Output voltage ripple (20 mV/div.) at full rated load current into a resistive load with external capacitance 100 _μ_ F ceramic + 1 _μ_ F ceramic and Vin = 12 V for Vout = 0.7525V. Time scale: 2 _μ_ s/div. Fig. 0.7525V.6: Output voltage response for Vout = 0.7525 V to positive load current step change from 10 A to 20 A with slew rate of 5A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current - (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. Fig. 0.7525V.7: Output voltage response for Vout = 0.7525 V to negative load current step change from 20 A to 10 A with slew rate of -5 A/ _μ_ s at Vin = 12 V. Top trace: output voltage (200 mV/div.); Bottom trace: load current (5 A/div.). Co = 100 _μ_ F ceramic. Time scale: 20 _μ_ s/div. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA ## **5. PHYSICAL INFORMATION** **==> picture [104 x 86] intentionally omitted <==** **----- Start of picture text -----**<br> PAD/PIN CONNECTIONS<br>Pad/Pin # Function<br>1 ON/OFF<br>2 SENSE<br>3 TRIM<br>4 Vout<br>5 GND<br>6 Vin<br>**----- End of picture text -----**<br> **==> picture [93 x 65] intentionally omitted <==** **----- Start of picture text -----**<br> 2 3 4 5<br>1(*) 6<br>TOP VIEW<br>(*) PIN # 1 ROTATED 90°<br>**----- End of picture text -----**<br> ## SIDE VIEW **YNC12S20 Platform Notes** - All dimensions are in inches [mm] - • Connector Material: Copper - Connector Finish: Gold over Nickel - • Module Weight: 0.22 oz [6.12 g] - Module Height: 0.327” Max., 0.301” Min. - • Recommended Surface-Mount Pads: **==> picture [150 x 9] intentionally omitted <==** **----- Start of picture text -----**<br> YNC12S20 Pinout (Surface Mount)<br>**----- End of picture text -----**<br> - Min. 0.080” X 0.112” [2.03 x 2.84] **==> picture [163 x 9] intentionally omitted <==** **----- Start of picture text -----**<br> 6. ORDERING INFORMATION<br>**----- End of picture text -----**<br> |**6. ORDERING INFORMATION**|||| |---|---|---|---| |**PRODUC**<br>**T SERIES**<br>**INPUT**<br>**VOLTAGE**<br>**MOUNTING**<br>**SCHEME**<br>**RATED LOAD**<br>**CURRENT**<br>**YNC**<br>**12**<br>**S**<br>**20**|–|**ENABLE LOGIC**<br>**0**|**ROHS COMPATIBLE**| |||0Standard|No SuffixRoHS| |Y-Series<br>9.6 – 14 VDC<br>SSurface-Mount<br>20 A<br>(0.7525 V to 5.5 V)||(Positive Logic)<br>DOpposite of|lead-solder-exempt<br>compliant| |||Standard<br>(Negative Logic)|GRoHS compliant<br>for all six substances| The example above describes P/N YNC12S20-0S1G: 9.6V – 14V input, surface mount, 20A at 0.7525V to 5.5V output, standard enable logic, 25A for 300µs during start up capability, and RoHS lead solder exemption compliant. Please consult factory regarding availability of a specific version. **NUCLEAR AND MEDICAL APPLICATIONS** - Products are not designed or intended for use as critical components in life support systems, equipment used in hazardous environments, or nuclear control systems. **TECHNICAL REVISIONS** - The appearance of products, including safety agency certifications pictured on labels, may change depending on the date manufactured. Specifications are subject to change without notice. +1 866 513 2839 tech.support@psbel.com © 2015 Bel Power Solutions, Inc. BCD.00700_AA
Updated at June 9, 2026
About Novapart
Novapart is a B2B electronic component broker specialising in stock shortages and cost reduction. We source hard-to-find parts and identify compliant alternatives across a catalogue of 540,000+ components from 500+ manufacturers.
Learn more →Stock Shortage Specialist
When a component is unavailable, discontinued or has an unacceptable lead time, we tap into our network of vetted European and Asian distributors to source what you need — without compromising on quality or traceability.
Request a quote →Compliant Alternatives
We identify pin-to-pin, electrically equivalent substitutes that meet the same certifications (RoHS, AEC-Q100, REACH) as your original specification — validated against datasheets, not just part numbers. Often at a lower cost.
BOM Analysis service →