Integrated Circuits (ICs)

R1272S011A-E2-FE

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SWITCHING CONTROLLERS 34V INPUT PWM/VFM STEP-DOWN DCDC CONTROLLER WITH PLL SYNCHRONIZATION

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Integrated Circuits (ICs)

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SWITCHING CONTROLLERS 34V INPUT PWM/VFM STEP-DOWN DCDC CONTROLLER WITH PLL SYNCHRONIZATION

Technical Specifications

Parameters and characteristics for this part

Part	Package / Case	Package / Case	Control Features	Output Configuration	Output Type	Function	Frequency - Switching [Min]	Frequency - Switching [Max]	Number of Outputs	Topology	Mounting Type	Supplier Device Package	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Output Phases
Nisshinbo Micro Devices Inc. R1272S011A-E2-FE	18-LFSOP Exposed Pad	0.173 " 4.4 mm	Enable	Positive	Transistor Driver	Step-Down	250 kHz	1 MHz	1	Buck	Surface Mount	18-HSOP	4 V	34 V	125 °C	-40 °C	1
Nisshinbo Micro Devices Inc. R1272S032A-E2-FE	18-LFSOP Exposed Pad	0.173 " 4.4 mm	Current Limit Enable Power Good Soft Start	Positive	Transistor Driver	Step-Down	250 kHz	1 MHz	1	Buck	Surface Mount	18-HSOP	4 V	34 V	105 °C	-40 °C	1
Nisshinbo Micro Devices Inc. R1272S012A-E2-FE	18-LFSOP Exposed Pad	0.173 " 4.4 mm	Current Limit Enable Power Good Soft Start	Positive	Transistor Driver	Step-Down	250 kHz	1 MHz	1	Buck	Surface Mount	18-HSOP	4 V	34 V	105 °C	-40 °C	1

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General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 18-HSOP

Technical documentation and resources