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SRBC-10A2A0G
Non Isolated POL DC/DC Converter, ITE, 50 W, 750 mV, 5 V, 10 A, Adjustable
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- Manufacturer: BEL POWER SOLUTIONS
- Product type: DC / DC Non Isolated Board Mount Converters - Adjustable Output
- Depth: 33.02mm
- Width: 13.46mm
- Height: 8mm
- Product Range: SRBC Series
- Output Power Max: 50W
- Output Current Max: 10A
- Output Voltage Max: 5V
- Output Voltage Min: 750mV
- Input Voltage DC Max: 14V
- Input Voltage DC Min: 8.3V
- DC / DC Converter Type: Module
- Power Supply Approvals: ITE
- DC / DC Converter Output Type: Adjustable
| Delivery and price | |
|---|---|
| Units per pack | 1 |
| Price | 6.86 € |
| Current stock | 10+ |
| Lead time | 7 days |
Datasheet
**NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **SRBC-10A2Ax RoHS Compliant Rev.A**
- Non-Isolated
- High Efficiency
- High Power Density
- Excellent Thermal Performance
- Low Cost
- Flexible Output Voltage
- Sequencing
- Under-voltage Lockout (UVLO)
- Over Temperature Protection
-
- OCP/SCP
-
- Wide Input
-
- Wide Trim
- Remote On/Off
- Active Low/High (option)
- Remote Sense • Industrial Temperature Range
- Able to Sink/Source Current
## **Description**
The Bel SRBC-10A2Ax modules are a series of non-isolated dc/dc converters that deliver up to 10 A of output current with full load efficiency of 93% at 3.3 Vdc output. These modules provide precisely regulated voltage programmable via external resistor from 0.75 Vdc to 5.0 Vdc over a wide range of input voltage (8.3 Vdc - 14 Vdc). These modules have a sequencing feature that enables designers to implement various types of output voltage sequencing when powering multiple voltages on a board. The open-frame construction and small footprint enable designers to develop cost and space-efficient solutions. Standard features include remote On/Off, over current protection, short current protection, wide input, and programmable output voltage.
## **Part Selection**
|**Output**<br>**Voltage**|**Input**<br>**Voltage**|**Max. Output**<br>**Current**|**Max. Output**<br>**Power **|**Typical**<br>**Efficiency**|**Model Number**<br>**Active Low **|**Model Number**<br>**Active High **|
|---|---|---|---|---|---|---|
|0.75 V - 5.0 V|8.3 V-14 V|10 A|50.0 W|95%|SRBC-10A2AL|SRBC-10A2A0|
**Notes** : 1. Add “G” suffix at the end of the model number to indicate Tray Packaging.
2. All part numbers above indicate RoHS 6. Change the second letter "R" to "7" for RoHS 5 part numbers.
## **Absolute Maximum Ratings**
|**Parameter **|**Min**|**Typ**|**Max **|**Notes**|
|---|---|---|---|---|
|Input Voltage (continuous)|-0.3 V|-|15 V||
|Output Enable Terminal Voltage|-0.3 V|-|15 V||
|Sequencing Voltage1|-0.3 V|-|Vin||
|Ambient Temperature|-40°C|-|85°C||
|Storage Temperature|-55°C|-|125°C||
**Notes** : All specifications are typical at 25 °C unless otherwise stated.
1. SRBC-10A2Ax series of modules include a sequencing feature that enables users to implement various types of output voltage sequencing in their applications. This is accomplished via an additional sequencing pin. When the sequencing feature is not used, tie the SEQ pin to Vin or leave it unconnected.
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Input Specifications**
|**Parameter **|**Min**|**Typ**|**Max **|**Notes**|
|---|---|---|---|---|
|Input Voltage<br>Vo, set≤3.63 V<br>Vo,set>3.63 V|8.3 V<br>8.3 V|12 V<br>12 V|14 V<br>13.2 V||
|Input Current (full load)|-|-|6.5 A|An input line fuse must always be<br>used.|
|Input Current(no load)|-|50 mA|-||
|Remote Off Input Current|-|2 mA|-||
|Input Reflected Ripple Current<br>(pk-pk)|-|-|400 mA|Tested with one 1000 uF/25 V AL<br>input capacitor with ESR=0.03 ohm<br>max and 4×47 uF/16 V tan<br>capacitors with ESR=0.013 ohm max<br>at 100 kHz, & simulated source<br>impedance of 1000 nH, 5 Hz to<br>20 MHz.|
|Input Reflected Ripple Current<br>(rms)|-|-|150 mA||
|I2t Inrush Current Transient|-|0.04 A2s|0.08 A2s||
|Turn-on Voltage Threshold|-|8.2 V|||
|Turn-off Voltage Threshold|-|7.9 V|||
**Note** : All specifications are typical at 25 °C unless otherwise stated.
## **Output Specifications**
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Parameter Min Typ Max Notes<br>SS Output Voltage Set Point -2% Vo,set - 2% Vo,set Vin=12 V, full load<br>eS Load Regulation - 0.1% Vo,set a -<br>Line Regulation - 0.1% Vo,set -<br>Regulation Over Temperature<br>a (-40 °C to +85 °C) - 0.3% Vo,set - Tref=Tamin to Tamax<br>Output Current 0 A - 10 A<br>ee Current Limit Threshold ee - 200% Io ee -<br>a<br>SC Short Circuit Surge Transient - 1 A [2] s 3 A [2] s<br>Ripple and Noise (pk-pk) - 50 mV 100 mV Tested with 0-20 MHz, with 10 uF<br>tantalum capacitor & 1 uF<br>e Ripple and Noise (rms) e - 20 mV e 40 mV ceramic capacitor<br>Turn on Time - 6 mS 10 mS<br>SC<br>a Overshoot at Turn on - - 1% Vo,set<br>a Output Capacitance - - 5000 uF<br>Transient Response<br>pt<br>50% ~ 100% Max Load - 100 mV -<br>Pp es<br>Settling Time VO = 0.75 V - - 50 uS - di/dt=2.5 A/uS; Vin=12 V;<br>pF 100% ~ 50% Max Load 5 V es - 100 mV ee ee - and with 2 capacitors at the output × 150 uF polymer<br>po ee<br>Settling Time - 50 uS -<br>ee<br>| ee ee<br> Note : All specifications are typical at nominal input, full load at 25 °C unless otherwise stated.<br>**----- End of picture text -----**<br>
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
**NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **General Specifications**
|**Parameter **|**Min**|**Min**||**Typ**||**Max **|**Notes**|
|---|---|---|---|---|---|---|---|
|Efficiency||||||||
|Vo=5.0 V|-|||95%||-||
|Vo=3.3 V|-|||93%||-||
|Vo=2.5 V<br>Vo=1.8 V|-<br>-|||92%<br>90%||-<br>-|Measured at Vin=12 V, full load|
|Vo=1.5 V|-|||89%||-||
|Vo=1.2 V|-|||87.5%||-||
|Vo=0.75 V|-|||81%||-||
|Switching Frequency|265 kHz|||300 kHz||335 kHz||
|Over Temperature Shutdown1|-|||130°C||-||
|Output Voltage Trim Range|0.7525 V|0.7525 V||-||5.0 V||
|Remote Sense Compensation|-|||-||0.5 V||
|MTBF||4,982,651 hours|||||Calculated Per Bell Core SR-332 (IO= 80%<br>load;Vo=5 V;Vin=12 V;Ta= 25°C)|
|Dimensions||||||||
|Inches (L×W×H)||1.3 x 0.53 x 0.315||||||
|Millimeters (L×W×H)||33.02 x 13.46 x 8.00||33.02 x 13.46 x 8.00||||
|Weight|-|||8 g||-||
**Notes** : All specifications are typical at 25 °C unless otherwise stated. 1. The Tref temperature measurement location:
## **Control Specifications**
|**Parameter **|**Min**|**Typ**|**Max **|**Notes**|
|---|---|---|---|---|
|**Remote On/Off**|||||
|Signal Low (Unit Off)|-0.2 V|-|0.3 V|SRBC-10A2A0; Remote On/Off pin open, Unit|
|Signal High (Unit On)|-|-|Vin, max|on.|
|Signal Low (Unit On)|-0.2 V|-|0.3 V|SRBC-10A2AL; Remote On/Off pin open, Unit|
|Signal High (Unit Off)|2.5 V|-|Vin, max|on.|
|**Voltage Sequencing**|||||
|Sequencing Delay Time|10 mS|-|-|Delay from Vin, min to application of voltage<br>on SEQpin|
|Sequencing Slew Rate Capability|-|-|2 V/mS||
|Tracking Accuracy||||Vinmin to Vinmax; Iomin to Iomax; Vseq<Vo|
|Power-Up|-|100 mV|200 mV||
|Power-Down|-|300 mV|500 mV||
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Output Trim Equations**
Equation for calculating the trim resistor (in Ω) given the desired adjusted voltage (Vadj) is shown below. The Trim Up resistor should be connected between the Trim pin and Ground.
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Equation for calculating the trim voltage (in V) given the desired adjusted voltage (Vadj) is shown below. The Trim Up voltage should be connected between the Trim pin and Ground.
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Vout<br>Sense<br>Module<br>trim<br>Vtrim<br>GND<br>**----- End of picture text -----**<br>
## **Thermal Derating Curves**
Vo=0.75 V Vo=1.8 V
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Vo=3.3 V Vo=5.0 V<br>**----- End of picture text -----**<br>
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
**NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Efficiency Data**
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Module 5.0V Module 3.3V<br>100.0% 100.0%<br>—o 8.3V<br>90.0% — 8.3V 90.0%<br>12.0V<br>80.0% 1A 2.5A 5A 7.5A 10A =a 12.0V13.2V 80.0% [a a 14.0V<br>1A 2.5A 5A 7.5A 10A<br>Output Current<br>Output Current<br>Module 1.8V<br>Module 2.5V<br>100.0%<br>100.0%<br>—o— 8.3V<br>90.0%<br>90.0% oe 8.3V 1 12.0V<br>80.0%<br>80.0% = 12.0V 14.0V<br>70.0%<br>1A 2.5A 5A 7.5A 10A a 14.0V<br>1A 2.5A 5A 7.5A 10A<br>Output Current<br>Output Current<br>Module 1.5V Module 1.2V<br>100.0% 90.0%<br>90.0%<br>80.0% ~— 8.3V 70.0% ~- 8.3V<br>70.0% 12.0V 50.0% 12.0V<br>+ 14.0V + 14.0V<br>1A 2.5A 5A 7.5A 10A 1A 2.5A 5A 7.5A 10A<br>Output Current Output Current<br>Module 0.75V<br>90.0%<br>80.0% 8.3V<br>70.0% 12.0V<br>60.0%<br>14.0V<br>50.0%<br>1A 2.5A 5A 7.5A 10A<br>Output Current<br>Efficiency Efficiency<br>Efficiency Efficiency<br>Efficiency Efficiency<br>Efficiency<br>**----- End of picture text -----**<br>
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Ripple and Noise Waveforms**
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TekStop | __s FF ————F7_<br>**----- End of picture text -----**<br>
Ripple and noise at max load 0.75 Vdc output Ripple and noise at max load 1.2 Vdc output
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TekStop<br>**----- End of picture text -----**<br>
Ripple and noise at max load 1.5 Vdc output Ripple and noise at max load 1.8 Vdc output
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Stop<br>**----- End of picture text -----**<br>
.
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
**Ripple and Noise Waveforms (continued)**
Ripple and noise at max load 5.0 Vdc output
**Note:** Ripple and Noise at 12 V input, with 10 uF tantalum capacitor and 1 uF ceramic capacitor at the output, and Ta=25 deg C.
## **Transient Response Waveforms**
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)"9onb00009cc0a0s00000qqa5p5oonqccoanpoKoG0qcm<br>**----- End of picture text -----**<br>
Transients 50% to 100% load 0.75 Vdc output Transients 100% to 50% load 0.75 Vdc output
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Transient Response Waveforms (continued)**
Transients 50% to 100% load 1.2 Vdc output Transients 100% to 50% load 1.2 Vdc output
Transients 50% to 100% load 1.5 Vdc output Transients 100% to 50% load 1.5 Vdc output
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**----- Start of picture text -----**<br>
TekStop<br>**----- End of picture text -----**<br>
Transients 50% to 100% load 1.8 Vdc output Transients 100% to 50% load 1.8 Vdc output
**Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
**NON-ISOLATED DC/DC CONVERTERS 8.3 Vdc - 14 Vdc Input 0.75 Vdc - 5.0 Vdc/10 A Output**
## **Transient Response Waveforms (continued)**
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TekStop<br>**----- End of picture text -----**<br>
Transients 50% to 100% load 1.5 Vdc output Transients 100% to 50% load 2.5 Vdc output
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aStop) Fe<br>**----- End of picture text -----**<br>
Transients 50% to 100% load 3.3 Vdc output Transients 100% to 50% load 3.3 Vdc output
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Tek stop<br>**----- End of picture text -----**<br>
Transients 50% to 100% load 5.0 Vdc output Transients 100% to 50% load 5.0 Vdc output
**Note:** Transient response at 12 V input, di/dt=2.5 A/uS, with external 2 x 150 uF polymer capacitor at the output, Ta=25 deg C.
> **Bel Fuse Inc.** 206 Van Vorst Street, Jersey City, NJ 07302 • Tel 201-432-0463 • Fax 201-432-9542 • www.belfuse.com
## **NON-ISOLATED DC/DC CONVERTERS**
**8.3 Vdc - 14 Vdc Input**
**0.75 Vdc - 5.0 Vdc/10 A Output**
## **Mechanical Outline**
## **Pin Connections**
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Pin Function<br>1 Remote On/Off<br>2 Vin+<br>3 SEQ<br>4 Ground<br>5 Vout+<br>BOTTOM VIEW 6 Trim<br>7 Remote Sense<br>PAD SIZE:<br>MIN: 0.14"* 0.095" (3.56mm * 2.41mm)<br>MAX: 0.165"* 0.11" (4.19mm * 2.79mm)<br>**----- End of picture text -----**<br>
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RECOMMENDED PAD LAYOUT<br>**----- End of picture text -----**<br>
**RoHS Compliance** Complies with the European Directive 2002/95/EC, calling for the elimination of lead and other hazardous substances from electronic products. ~~OO~~ © **CORPORATE FAR EAST EUROPE Bel Fuse Inc. Bel Fuse Ltd.** 206 Van Vorst Street 8F/ 8 Luk Hop Street Jersey City, NJ 07302 San Po Kong Tel 201-432-0463 Kowloon, Hong Kong Fax 201-432-9542 Tel 852-2328-5515 www.belfuse.com Fax 852-2352-3706
© _2007 Bel Fuse Inc. Specifications subject to change without notice. 011607_
**FAR EAST EUROPE Bel Fuse Ltd. Bel Fuse Europe Ltd.** 8F/ 8 Luk Hop Street Preston Technology Management Centre San Po Kong Marsh Lane, Suite G7, Preston Kowloon, Hong Kong Lancashire, PR1 8UD, U.K. Tel 852-2328-5515 Tel 44-1772-556601 Fax 852-2352-3706 Fax 44-1772-888366 www.belfuse.com www.belfuse.com
Updated at February 9, 2023
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