Integrated Circuits (ICs)

LM25143RHAR

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DC/DC CNTRLR DUAL-OUT STEP DOWN 2200KHZ 40-PIN VQFN EP T/R

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Integrated Circuits (ICs)

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DC/DC CNTRLR DUAL-OUT STEP DOWN 2200KHZ 40-PIN VQFN EP T/R

Technical Specifications

Parameters and characteristics for this part

Specification	LM25143RHAR

Clock Sync	True
Control Features	Enable, Phase Control, Power Good, Soft Start, Current Limit, Frequency Control
Duty Cycle (Max) [Max]	100 %
Frequency - Switching [Max]	2.2 MHz
Frequency - Switching [Min]	100 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Package / Case	40-VFQFN Exposed Pad
Supplier Device Package	40-VQFN (6x6)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	42 V
Voltage - Supply (Vcc/Vdd) [Min]	3.5 V

Part	Topology	Frequency - Switching [Min]	Frequency - Switching [Max]	Duty Cycle (Max) [Max]	Supplier Device Package	Output Type	Mounting Type	Output Phases	Control Features	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Output Configuration	Operating Temperature [Max]	Operating Temperature [Min]	Synchronous Rectifier	Number of Outputs	Package / Case	Function	Clock Sync
Texas Instruments LM25143RHAR	Buck	100 kHz	2.2 MHz	100 %	40-VQFN (6x6)	Transistor Driver	Surface Mount	2	Current Limit Enable Frequency Control Phase Control Power Good Soft Start	42 V	3.5 V	Positive	150 °C	-40 °C		2	40-VFQFN Exposed Pad	Step-Down

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General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 40-VQFN (6x6)

Technical documentation and resources