Integrated Circuits (ICs)

LM3753SQ/NOPB

Obsolete

2-PHASE SYNCHRONOUS BUCK CONTROLLER

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Integrated Circuits (ICs)

Obsolete

2-PHASE SYNCHRONOUS BUCK CONTROLLER

Technical Specifications

Parameters and characteristics for this part

Specification	LM3753SQ/NOPB

Clock Sync	True
Control Features	Power Good, Phase Control, Current Limit, Tracking, Frequency Control, Enable
Duty Cycle (Max) [Max]	81 %
Frequency - Switching [Max]	1 MHz
Frequency - Switching [Min]	200 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-5 °C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Supplier Device Package	32-WQFN (5x5)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	18 V
Voltage - Supply (Vcc/Vdd) [Min]	4.5 V

Part	Topology	Operating Temperature [Min]	Operating Temperature [Max]	Output Configuration	Voltage - Supply (Vcc/Vdd) [Min]	Voltage - Supply (Vcc/Vdd) [Max]	Synchronous Rectifier	Clock Sync	Supplier Device Package	Frequency - Switching [Max]	Frequency - Switching [Min]	Number of Outputs	Control Features	Output Phases	Duty Cycle (Max) [Max]	Output Type	Function	Mounting Type
Texas Instruments LM3753SQX/NOPB	Buck	-5 °C	125 ¯C	Positive	4.5 V	18 V			32-WQFN (5x5)	1 MHz	200 kHz	2	Current Limit Enable Frequency Control Phase Control Power Good Tracking	2	81 %	Transistor Driver	Step-Down	Surface Mount
Texas Instruments LM3753SQ/NOPB	Buck	-5 °C	125 ¯C	Positive	4.5 V	18 V			32-WQFN (5x5)	1 MHz	200 kHz	2	Current Limit Enable Frequency Control Phase Control Power Good Tracking	2	81 %	Transistor Driver	Step-Down	Surface Mount

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

Distributor	Package	Quantity	$

Digikey	Bulk	89	$ 3.38

General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-WQFN (5x5)

Technical documentation and resources