# Non Isolated POL DC/DC Converter, ITE, 1 Output, 3.3 W, 3.3 V, 1 A, Fixed, Adjustable

![Product image](https://novapart.co/image/farnell:2966054/)

**URL**: https://novapart.co/products/RPM3.3-1.0/non-isolated-pol-dc-converter-ite-1-output-33-w-v
**SKU**: RPM3.3-1.0
**Manufacturer**: RECOM POWER
**Category**: Power & Line Protection || Power Supplies || DC / DC Converters || DC / DC Non Isolated Board Mount Converters - Fixed Output
**Price**: €3.6300
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Depth | 12.19mm |
| Width | 12.19mm |
| Height | 3.75mm |
| Product Range | RPM-1.0 |
| No. Of Outputs | 1 Output |
| Output Power Max | 3.3W |
| Output Current Max | 1A |
| Output Voltage Nom | 3.3V |
| Input Voltage Dc Max | 17V |
| Input Voltage Dc Min | 3V |
| Dc / Dc Converter Type | Module |
| Power Supply Approvals | ITE |
| Dc / Dc Converter Mounting | Surface Mount Device |
| Dc / Dc Converter Output Type | Fixed, Adjustable |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2966054/)

**• High power density (L*W*H = 12.19*12.19*3.75) Features • Wide operating temperature -40°C to** 90°C  +107°C **at full load DC/DC Converter • Effciency up to 99%, no need for heatsinks Power • 6-sided shielding • Thermally and EMI enhanced 25 pin LGA package Module • Compact DOSA-compatible footprint RPM-1.0 • Low profle** ee ~~—_~~ Description **1 Amp** The RPM-1.0 series is a 1A non-isolated switching regulator power module with a full set of features including adjustable output, sequencing, soft-start control, on/off control, and power good signals. The **Single** ultra-compact module has a profile of only 3.75mm, but with an efficiency of up to 99%, the device can operate at full load in ambient temperatures as high as +107°C without forced air cooling. The package **Output** is complete with 6-sided shielding for optimal EMC performance and excellent heat management. 

## Selection Guide 

|Part||Input Voltage|Output|Vout|Output|Efficiency|Max. Capacitive|
|---|---|---|---|---|---|---|---|
|Number||Range(1)|Voltage|Adjust Range|Current max.|typ.|Load(2)|
|||[VDC]|[VDC]|[VDC]|[A]|[%]|[µF]|
|RPM3.3-1.0(2)|(2)|3 - 17|3.3|0.9 - 6.0|1|94 - 99|800|
|RPM5.0-1.0(2)|(2)|3 - 17|5|0.9 - 6.0|1|92 - 99|800|



## Notes: 

Note1: Refer to “Input Voltage Range” 

Note2: Max. Cap Load is tested at nominal input and full resistive load 

## Model Numbering 

**==> picture [111 x 71] intentionally omitted <==**

**----- Start of picture text -----**<br>
RoHS 2+ REACH<br>compliant compliant<br>10 from 10<br>EN55032 compliant<br>T T<br>ON ON<br>N P N P<br>C C V<br>R<br>V<br>A R A<br>E<br>O<br>E<br>I O I<br>M M<br>L L<br>R R<br>P D P D<br>O T O T<br>U U<br>C C<br>M M<br>E E<br>C C<br>E R E R<br>O T O T<br>R R S<br>S<br>S<br>C S C<br>**----- End of picture text -----**<br>


- RPM__-1.0 __ Output Voltage Packaging[ (3)] ___| ~~|~~ “LL max. Output Current 

Notes: 

- Note3: add suffix “-CT” for tube packaging for more details refer to “PACKAGING INFORMATION” without suffix, standard tape and reel packaging 

|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|BASIC CHARACTERISTICS|
|---|---|---|---|---|---|---|
|Parameter<br>~~fn~~||Condition<br>~~fn~~||Min.<br>~~fn~~|Typ.<br>~~fn~~|Max.<br>~~fn~~|
|Internal Input Filter<br>~~rs~~||~~rs~~||capacitor<br>~~rs~~|||
|Input Voltage<br>Range<br>~~ee~~|Buck mode||3.3Vout<br>5Vout|3.35VDC<br>5.05VDC|12VDC|17VDC|
||100% duty cycle mode(4)<br>~~ee~~|Vout= Vin - Vdrop<br>~~re~~|3.3Vout<br>5Vout<br>~~re~~|3VDC||3.35VDC<br>5.05VDC|
|Absolute Maximum Input Voltage<br>~~es~~<br>~~ee~~||~~es~~<br>~~re~~||~~es~~|~~es~~|20VDC<br>~~es~~|
|Undervoltage Lockout (UVLO)<br>~~ee~~<br>~~ee~~||DC-DC ON<br>DC-DC OFF<br>~~re~~<br>~~ee~~||2.6VDC<br>2.8VDC<br>~~ee ee~~|2.7VDC<br>2.9VDC<br>~~ee~~|2.8VDC<br>3.0VDC<br>~~ee~~|
|Input Current<br>~~ee~~<br>~~ee~~||nom. Vin= 12VDC<br>~~re~~<br>~~ee~~|3.3Vout<br>5Vout<br>~~re~~<br>~~ee~~|~~ee ee~~|0.3A<br>0.45A<br>~~ee~~|~~ee~~|
|Quiescent Current<br>~~ee~~||~~ee~~<br>~~eeee~~||~~ee ee~~|30µA<br>~~ee~~|~~ee~~|
|Internal Power Dissipation<br>~~es~~||~~es~~<br>~~ee~~|3.3Vout<br>5Vout<br>~~es~~<br>~~ee~~|~~es~~|~~es~~|0.27W<br>0.32W<br>~~es~~|
|continued on nextpage<br>~~ee ee~~|||||||



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www.recom-power.com/eval-ref-boards<br>**----- End of picture text -----**<br>


continued on next page 

REV.:  8/2021 

RPM-1 

**www.recom-power.com** 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

|Parameter|Condition|Min.|Typ.|Max.|
|---|---|---|---|---|
|Output Voltage Trimming (5)||0.9VDC||6VDC|
|Minimum Dropout Voltage(Vdrop) (6)|Vin min. = Vdrop + Vout||50mV/A||
|Minimum Load||0%|||
|Start-up Time|without using soft start function/ power up<br>usingCTRL function||1.6ms<br>1.5ms||
|Rise-time|||1.4ms||
|ON/OFF CTRL|DC-DC ON<br>DC-DC OFF||Open or 0.9V<VCTRL<Vin<br>Short or -0.3V<VCTRL<0.45VDC||
|Input Current of CTRL Pin|DC-DC OFF||1.2µA||
|Standby Current|DC-DC OFF||15µA||
|Internal Operating Frequency|||1.25MHz||
|Output Ripple and Noise(7)|20MHz BW, 80Ohm @ 100MHz||60mVp-p||
|Absolute Maximum Capacitive Load|below 1 second start up + Css= 3700nF<br>below 1 second start upwithout softstart mode|||42000µF<br>800µF|



Notes: 

Note4: As input approaches output voltage set point, device enters 100% duty cycle mode. in 100% duty cycle mode, Vout equals Vin minus dropout voltage (see Dropout vs. Load graph) 

Note5: For more detailed information, please refer to trim table or calculation on page RPM-3 

Note6: Required dropout voltage per 1A output current to be within accuracy (see Dropout vs. Load graph) 

Note7:  Measurements are made with a 22µF MLCC across output (low ESR) 

Efficiency vs. Load 

**==> picture [487 x 392] intentionally omitted <==**

**----- Start of picture text -----**<br>
RPM3.3-1.0 RPM5.0-1.0<br>100 100<br>90 90<br>80 80<br>70 70<br>60 60<br>50 50<br>40 40<br>30 3Vin 30 4Vin<br>20 5Vin 20 5Vin<br>12Vin 12Vin<br>10 17Vin 10 17Vin<br>0 0<br>0 10 20 30 40 50 60 70 80 90 100 0 10 20 30 40 50 60 70 80 90 100<br>Output Load [%] Output Load [%]<br>Dropout Voltage vs. Load<br>0.12<br>0.10<br>0.08<br>0.06<br>0.04<br>0.02<br>0<br>0 10 20 30 40 50 60 70 80 90 100<br>Output Load [%]<br>Efficiency [%] Efficiency [%]<br>Dropout Voltage [VDC]<br>**----- End of picture text -----**<br>


REV.:  8/2021 

RPM-2 

**www.recom-power.com** 

**Series** 

## **RPM-1.0** 

## **DC/DC Converter** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

## OUTPUT VOLTAGE TRIMMING 

The RPM series offers the feature of trimming the output voltage over a range between 0.9V and 6V by using external trim resistors. The values for trim resistors shown in trim tables below are according to standard E96 values; therefore, the specified voltage may slightly vary. 

**==> picture [439 x 179] intentionally omitted <==**

**----- Start of picture text -----**<br>
Trim up Trim down<br>Trim +Vout<br>Rup Rdown<br>GND Trim<br>Voutnom = nominal output voltage  [VDC]<br>Voutset = trimmed output voltage  [VDC] Voutnom R1 R2 R3 Vref<br>Vref = reference voltage  [VDC] 3.3VDC 376k W 1k W 471k W 0.81VDC<br>Rup = trim up resistor  [ W ] 5VDC 344k W 431k W<br>Rdown = trim down resistor  [ W ]<br>R1, R2, R3 = internal resistors  [ W ]<br>**----- End of picture text -----**<br>


|Practical Example RPM3.3-1.0:<br>Calculation:<br>Rup =<br>376k<br>- 1k=<br>4.3 - 3.3<br>Rup according to E96≈ 374kW<br>Rup =<br>R1<br>- R2<br>Voutset- Vnom<br>RPM3.3-1.0<br>Trim up|Practical Example RPM3.3-1.0:<br>Calculation:<br>Rup =<br>376k<br>- 1k=<br>4.3 - 3.3<br>Rup according to E96≈ 374kW<br>Rup =<br>R1<br>- R2<br>Voutset- Vnom<br>RPM3.3-1.0<br>Trim up|Practical Example RPM3.3-1.0:<br>Calculation:<br>Rup =<br>376k<br>- 1k=<br>4.3 - 3.3<br>Rup according to E96≈ 374kW<br>Rup =<br>R1<br>- R2<br>Voutset- Vnom<br>RPM3.3-1.0<br>Trim up|Practical Example RPM3.3-1.0:<br>Calculation:<br>Rup =<br>376k<br>- 1k=<br>4.3 - 3.3<br>Rup according to E96≈ 374kW<br>Rup =<br>R1<br>- R2<br>Voutset- Vnom<br>RPM3.3-1.0<br>Trim up|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|375kW<br>Rdown according to E96≈ 309kW<br>Rdown =<br>(1.8 - 0.81)x 471k =<br>311kW<br>3.3 - 1.8<br>Rdown =<br>(Voutset- Vref) x R3<br>Voutnom- Voutset|
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Voutset=|3.5|3.7|3.9||4.1|4.3|4.5|4.7|5.0|5.5|6.0|[VDC]|
|Rup(E96)≈|1M91|953k|634k||475k|374k|316k|267k|221k|169k|137k|[W]|
|Trim down|||||||||||||
|Voutset=|3.0|2.7|2.5||2.2|2.0|1.8|1.5|1.2|1.0|0.9|[VDC]|
|Rdown (E96)≈|3M40|1M47|1M||590k|432k|309k|182k|86k6|39k2|17k4|[W]|
|Trim up<br>RPM5.0-1.0|||||||||||||
|Voutset=|5.1|5.2|5.3||5.4|5.5|5.6|5.7|5.8|5.9|6.0|[VDC]|
|Rup(E96)≈|3M32|1M69|1M15||866k|681k|576k|487k|422k|383k|340k|[W]|
|Trim down|||||||||||||
|Voutset=|4.5|4.0|3.5||3.3|2.5|1.8|1.5|1.2|1.0|0.9|[VDC]|
|Rdown (E96)≈|3M16|1M37|768k||634k|294k|133k|84k5|44k2|20k5|9k53|[W]|



REV.:  8/2021 

RPM-3 

**www.recom-power.com** 

**Series** 

## **RPM-1.0** 

## **DC/DC Converter** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

## REMOTE SENSE 

**==> picture [526 x 308] intentionally omitted <==**

**----- Start of picture text -----**<br>
The output voltage can be adjusted via the  trim and<br>+Vin +Vin +Vout RW1 +Vout sense functions.The maximum output voltage from Trim and Sense<br>+Sense<br>Trim Rdown function combined is 5.5VDC. Derating may berequired when using Trim and/or sense functions.<br>-Vout -Vout -Vout Rup -Vout RW1  ... wire losses +<br>Rup    ... trim up resistor<br>R  ... trim down resistor<br>down<br>POSITIVE TO NEGATIVE<br>0V 0V<br>+Vin +Vin +Vout C1 and C2 may be added to reduced<br>RPM-1.0 ripple and should be fitted close to<br>GND the converter pins.<br>C1 C2<br>-V<br>out<br>Notes:<br>Note8: RECOM Power Modules can also be used to convert a positive voltag into a negative voltage. Parameters such as<br>maximum Vin, efficiency and maximum operating temperature are reduced. Please contact RECOM for further details.<br>**----- End of picture text -----**<br>


## REGULATIONS 

|REGULATIONS|REGULATIONS|REGULATIONS|
|---|---|---|
|Parameter|Condition|Value|
|Output Accuracy||±3.0% max.|
|Line Regulation|low line to high line, full load|0.25% typ. / ±3.0% max.|
|Load Regulation|0% to 100% load|0.5% typ. / 3.0% max.|
|Soft-Start Time||refer to soft-start capacitor calculation|
|Transient Response|100% - 10% load step<br>recoverytime|200mV max.<br>6ms typ.|
||25% load step change<br>recoverytime|150mV max.<br>500µs typ.|
|continued on nextpage<br>Sequencing Multiple Modules<br>The SEQ pin can be used to program the rising edge of the output voltage. An internal current source charges a soft-start capacitor which<br>is connected from the sequencing pin to GND. The following equation is used to calculate the soft-start capacitor:<br>Css= soft-start capacitor<br>[nF]<br>Iss<br>= sum of all soft-start currents of all sequenced modules<br>[µs]<br>tss= required soft-start time<br>[µs]<br>n<br>= number of RPMs<br>[   ]<br>Css=<br>tssx Iss<br>- n x 3.3nF<br>1.25V<br>Iss[µA]<br>Preset soft-start time [µs]<br>Min.<br>Typ.<br>Max.<br>Min.<br>Typ.<br>Max.<br>2.3<br>2.5<br>2.7<br>1500<br>1650<br>1800<br>Note: there is a 3.3nF internal soft-start capacitor, and there are different constant<br>current sources in the modules which leads to different preset soft-start times.|||



REV.:  8/2021 

RPM-4 

**www.recom-power.com** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

To sequence multiple power module start-up times the power good (PGood) pin and the CTRL pin may be used. In below schematic, the RPM(n) starts after RPM(1) reaches its set output voltage and the power good signal is set to high which then enables RPM(n). After RPM(n) reaches its set output voltage, it enables RPM(n+1). 

**==> picture [288 x 278] intentionally omitted <==**

**----- Start of picture text -----**<br>
FB1 RPM(1) FB2<br>Vin C1 C2 Vin Vout Vout(1)<br>Sense C3<br>CTRL PGood<br>CTRL SEQ Trim<br>GND1 GND2<br>GND3 NC<br>FB3 RPM(n) FB4<br>Vin C4 C5 Vin Vout Vout(n)<br>Sense C6<br>CTRL PGood<br>SEQ Trim<br>GND1 GND2<br>GND3 NC<br>RPM(n+1)<br>FB5 FB6<br>Vin C7 C8 Vin Vout Vout(n+1)<br>Sense C9<br>CTRL PGood<br>SEQ Trim<br>GND1 GND2<br>GND3 NC<br>**----- End of picture text -----**<br>


To sequence multiple converters to start at the same time (set output voltage is reached at the same time), the following schematic may be used: 

**==> picture [358 x 292] intentionally omitted <==**

**----- Start of picture text -----**<br>
FB1 RPM(1) FB2<br>Vin Vin Vout Vout(1)<br>C1 C2 Sense C3<br>CTRL PGood<br>SEQ Trim<br>GND1 GND2<br>GND3 NC<br>CSS<br>CTRL<br>FB3 RPM(n) FB4<br>Vin Vin Vout Vout(n)<br>C4 C5 Sense C6<br>CTRL PGood<br>SEQ Trim<br>GND1 GND2<br>GND3 NC<br>FB5 RPM(n+1) FB6<br>Vin Vin Vout Vout(n+1)<br>C7 C8 Sense C9<br>CTRL PGood<br>SEQ Trim<br>GND1 GND2<br>GND3 NC<br>**----- End of picture text -----**<br>


REV.:  8/2021 

RPM-5 

**www.recom-power.com** 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

|**DC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|**DC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|**DC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|**DC/DC Converter**<br>Specifcations(measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated)<br>**Series**|
|---|---|---|---|
|||||
|PROTECTIONS||||
|Parameter|Condition||Value|
|Short Circuit Protection(SCP)|50mW||constant current mode|
|Short Circuit Input Current|without soft-start mode||75mA typ.|
|Over Current Protection(OCP)|with soft-start mode||120%, pulse by pulse current limitation|
|Over Temperature Protection (OTP)|case temperature<br>(measured on tc point)|DC-DC OFF<br>DC-DC ON|110°C, auto restart after cool down<br>100°C typ.|



|ENVIRONMENTAL|||||
|---|---|---|---|---|
|Parameter|Condition|||Value|
|OperatingTemperature Range(9)|@ natural convection 0.1m/s(refer to derating graph)|||-40°C to +105°C|
|Maximum Case Temperature|measured on tc point(see dimension drawing)|||+110°C|
|Temperature Coeffcient|@ +65°C Tamb|||0.02%/K|
|Thermal Impedance(9)|0.1m/s, horizontal(Tcase to Tamb)|||8K/W|
|OperatingAltitude|with derating@ natural convection 0.1m/s(refer to altitude vs. loadgraph)|||5000m|
|OperatingHumidity||non-condensing||5% - 95% RH max.|
|Shock||MIL-STD-810G, Method 516.6, Procedure I||40g, 11ms, saw-tooth, 3 shocks ± per axis<br>3 axis;  unit is operating|
|||MIL-STD-810G, Method 516.6, Procedure IV||drop on 50mm plywood on concrete<br>26 times from 1 meter|
|Temperature Cycling||MIL-STD-883F, Method 1010, Condition A||powered -50°C to +85°C, 300 cycles|
|Random Vibration||MIL-STD-810G, Method 514.6, Procedure I, Category 24||Category 24 - Figure 514.6E-1 - power spectral<br>density = 0.04g2/Hz at 20Hz –1000Hz;<br>-6dB/octave at 1000Hz – 2000Hz;<br>60 minutes x 3 axis; unit is operating during tests|
|MTBF||according to MIL-HDBK-217F, G.B. @ full load|+25°C<br>+85°C|2900 x 103hours<br>950 x 103hours|
|Derating Graph(9)<br>(@ chamber and natural convection|0.1m/s)|Notes:<br>Note9: tested with aeurocard 160x100mm 70µm copper, 4 layer<br>-40<br>-20<br>0<br>20<br>40<br>70<br>60<br>-30<br>-10<br>10<br>30<br>50<br>80 90<br>110<br>100<br>100<br>80<br>60<br>40<br>90<br>70<br>50<br>30<br>20<br>10<br>0<br>Output Load [%]<br>Ambient Temperature [°C]<br>~~15Vin~~<br>12Vin<br>~~9Vin~~<br>5Vin<br>4Vin|||



REV.:  8/2021 

RPM-6 

**www.recom-power.com** 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|SAFETY AND CERTIFICATIONS|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|Certifcate Type(Safety)|||||||||Report / File Number|||Standard|
|Audio/video, information and communication technology equipment. Safety requirements|||||||||designed to meet|||EN62368-1|
|RoHS 2+||||||||||||RoHS 2011/65/EU + AM2015/863|
||||||||||||||
|EMC Compliance|||||||||Condition|||Standard / Criterion|
|Electromagnetic compatibility of multimedia equipment - emission requirements|||||||||with external components<br>(see flter suggestions below)|||EN55032, Class A and B|
|EMC fltering suggestion according to EN55032<br>Vin<br>C1<br>FB1<br>Component List Class A<br>C1<br>C2(10)<br>FB1<br>10µF 25V X7R<br>10µF 25V X7R<br>WE ref:<br>742792510<br>EMC fltering suggestion according to EN55032<br>Vin<br>C1<br>FB1<br>C2<br>Component List Class B<br>C1<br>C2(10)<br>FB1<br>10µF 25V X7R<br>10µF 25V X7R<br>WE ref:<br>742792510||||||Vin<br>SEQ<br>GND1<br>G<br>CTRL<br>C2<br>Vin<br>SEQ<br>GND1<br>GND3<br>GND2<br>NC<br>Trim<br>PG<br>Sense<br>Vout<br>CTRL|||||Vout<br>Vout<br>C3<br>only required below 10V input voltage||
|||||||||Vin<br>SEQ<br>GND1<br>G<br>CTRL|ND3<br>GND2<br>NC<br>Trim<br>PG<br>Sense<br>Vout||||
||||||||||||||
||||||||||||||
|||||C2|||||||||
||C1|C2(10)|FB1|||FB2|C3||||||
||10µF 25V X7R|10µF 25V X7R|WE ref:<br>742792510|||WE ref:<br>7427932|22µF 10V 7XR||||||
|||||||||||Note10: C2 is|||
||||||||||||||



|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|DIMENSION AND PHYSICAL CHARACTERISTICS|
|---|---|---|
|Parameter|Type|Value|
|Material|case<br>PCB<br>solderpads|metal<br>FR4, (UL94 V-0)<br>copper with electrolytic nickel-gold|
|Dimension(LxWxH)||12.19 x 12.19 x 3.75mm|
|Weight||1.1gtyp.|
|continued on nextpage|||



REV.:  8/2021 

RPM-7 

**www.recom-power.com** 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

**==> picture [525 x 336] intentionally omitted <==**

**----- Start of picture text -----**<br>
Dimension Drawing (mm)<br>Pinning information<br>Pad # Function Description<br>tc A1, A2 Vin Positive input voltage with respect to GND. Connect to a<br>Vin plane for enhanced thermal performance<br>C1 CTRL Active High: pull to GND to disable the device.<br>Pull high or leave open to enable the device<br>12.19  [±0.5] A5, B5 Vout Positive output voltage. Connect to a Vout plane for<br>enhanced thermal performance<br>11.70 11.70 C5 Sense Connect this pad to the load or directly to Vout. This pad must not be left floating<br>E5 Trim Used to set the output voltage between 0.9V and 6V<br>E2 NC Not connected<br>Recommended Footprint Details E1 SEQ Used to sequence multiple converters or to set the<br>startup time. Float if not used<br>Bottom View Top View<br>1.52 25 x  1.0 1.06 Output power good. High = Vout at set level, low = Vout<br>D1 PGood below nominal regulation. Maximum sink current is<br>2mA. It has a high impedance output<br>E A (100k Ω  connected to Vout). Float if not used<br>D B A3, A4, B1, B2,<br>C C B3, B4, C2, C3,  GND Negative input voltage. Connect to GND plane(s) for<br>B D C4, D2, D3,  enhanced thermal performance<br>A E D4, D5, E3, E4<br>1 2 3 4 5 1 2 3 4 5 tc = case temperature measuring point<br>Pad tolerance= ±0.05mm<br>Case tolerance= ±0.25mm<br>R0.3<br>±0.2<br>12.19<br>3.75<br>1.06<br>2.29<br>.52<br>1<br>**----- End of picture text -----**<br>


## BLOCKDIAGRAM 

**==> picture [477 x 319] intentionally omitted <==**

**----- Start of picture text -----**<br>
Vin<br>C2<br>SD CS<br>1MΩ Q1 L1 Vout<br>Gate<br>Driver C4 ... C9<br>UVLO Q2 Sense<br>CTRL<br>PWM<br>OTP VS R3<br>SD Logic Vref R4<br>FB<br>Trim<br>SEQ SST CompensationLoop  R5<br>C1<br>Vref<br>GND PG<br>Component List<br>C1 C2 L1 C4 - C9 R3 R4 R5<br>3.3Vout 10µF 470k W 150k W<br>3.3nF 4.7µF 2.2µH 1k W<br>5Vout 6pcs. in parallel 430k W 82k W<br>**----- End of picture text -----**<br>


**www.recom-power.com** 

REV.:  8/2021 

RPM-8 

## **RPM-1.0** 

## **DC/DC Converter** 

## **Series** 

Specifications (measured @ Ta= 25°C, nom. Vin, full load and after warm-up unless otherwise stated) 

|PACKAGING INFORMATION|||
|---|---|---|
|Parameter|Type|Value|
|Packaging Dimension (LxWxH)|tape and reel<br>tape and reel(carton)|330.2 x 330.2 x 30.4mm<br>365.0 x 365.0 x 55.0mm|
||tube(“-CT”)|530.0 x 30.3 x 19.2mm|
|Packaging Quantity|tape and reel|500pcs|
||tube(“-CT”)|30pcs|
|Tape Width||24mm|
|Storage Temperature Range||-55°C to +125°C|
|Storage Humidity|non-condensing|95% RH max.|



e product information and specifications may be subject to changes even without prior written notice.The product has been designed for various applications; its suitability lies in the responsibility of each customer. The produc are not authorized for use in safety-critical applications without RECOM’s explicit written consent. A safety-critical application is an application where a failure may reasonably be expected to endanger or cause loss of life, inflict bodily harm or damage property. The applicant shall indemnify and hold harmless RECOM, its affiliated companies and its representatives against any damage claims in connection with the unauthorized use of RECOM products in such safety-critical applications. 

REV.:  8/2021 

RPM-9 

**www.recom-power.com** 



## Links

- [View this product on Novapart](https://novapart.co/products/RPM3.3-1.0/non-isolated-pol-dc-converter-ite-1-output-33-w-v)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/recom-power/rpm3-3-1-0/dc-dc-converter-3-3v-1a/dp/2966054)
---

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