Integrated Circuits (ICs)

BD9040FV-E2

NRND

IC REG CTRLR BUCK 20SSOP

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Integrated Circuits (ICs)

NRND

IC REG CTRLR BUCK 20SSOP

Technical Specifications

Parameters and characteristics for this part

Specification	BD9040FV-E2

Clock Sync	False
Control Features	Frequency Control, Enable, Soft Start
Frequency - Switching [Max]	750 kHz
Frequency - Switching [Min]	200 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	1
Output Type	Transistor Driver
Package / Case	20-LSSOP
Package / Case [x]	0.173 in, 4.4 mm
Supplier Device Package	20-SSOP-B
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	18 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

Part	Frequency - Switching [Min]	Frequency - Switching [Max]	Operating Temperature [Max]	Operating Temperature [Min]	Function	Mounting Type	Control Features	Package / Case	Package / Case [x]	Number of Outputs	Topology	Synchronous Rectifier	Output Configuration	Clock Sync	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Output Phases	Supplier Device Package	Output Type
Rohm Semiconductor BD9040FV-E2	200 kHz	750 kHz	85 °C	-40 °C	Step-Down	Surface Mount	Enable Frequency Control Soft Start	20-LSSOP	0.173 in 4.4 mm	1	Buck		Positive		4.5 V	18 V	1	20-SSOP-B	Transistor Driver

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 20-SSOP-B

Technical documentation and resources