Integrated Circuits (ICs)

MPQ4321GDE-AEC1-Z

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SWITCHING VOLTAGE REGULATORS 42V LOAD DUMP TOLERANT, 1A, ULTRA COMPACT,LOW QUIESCENT CURRENT, SYNCHRONOUSSTEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

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DocumentsMPQ4321GDE-AEC1-Z | Datasheet

Integrated Circuits (ICs)

MPQ4321GDE-AEC1-Z

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Monolithic Power Systems Inc.

SWITCHING VOLTAGE REGULATORS 42V LOAD DUMP TOLERANT, 1A, ULTRA COMPACT,LOW QUIESCENT CURRENT, SYNCHRONOUSSTEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

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DocumentsMPQ4321GDE-AEC1-Z | Datasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MPQ4321GDE-AEC1-Z

Current - Output	1 A
Frequency - Switching [Max]	2.5 MHz
Frequency - Switching [Min]	350 kHz
Function	Step-Down
Grade	Automotive
Mounting Type	Wettable Flank, Surface Mount
Number of Outputs	1
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	12-PowerVFQFN
Qualification	AEC-Q100
Supplier Device Package	12-QFN (2x3)
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	36 V
Voltage - Output (Max) [Max]	34.2 V
Voltage - Output (Min/Fixed)	0.8 V

MPQ4321 Series

Part	Voltage - Input [Min]	Voltage - Input [Max]	Regulator Topology	Frequency - Switching	Utilized IC / Part	Voltage - Output	Contents	Outputs and Type	Current - Output	Main Purpose	Output Type	Supplier Device Package	Output Configuration	Mounting Type	Voltage - Output (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	Function	Number of Outputs	Voltage - Output (Min/Fixed)	Qualification	Frequency - Switching [Max]	Frequency - Switching [Min]	Package / Case	Grade	Topology	Voltage - Input (Max) [Max]
Monolithic Power Systems Inc. EVQ4321-D-01A	3.3 V	36 V	Buck	2.2 MHz	MPQ4321	5 V	Board(s)	1 Non-Isolated Output	1 A	DC/DC Step Down
Monolithic Power Systems Inc. MPQ4321GDE-AEC1-Z									1 A		Adjustable	12-QFN (2x3)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V	AEC-Q100	2.5 MHz	350 kHz	12-PowerVFQFN	Automotive	Buck	36 V
Monolithic Power Systems Inc. MPQ4321GDE-5-AEC1-P									1 A		Adjustable	12-QFN (2x3)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V	AEC-Q100	2.5 MHz	350 kHz	12-PowerVFQFN	Automotive	Buck	36 V
Monolithic Power Systems Inc. MPQ4321GLE-AEC1-Z									1 A		Adjustable	12-QFN (3x4)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V	AEC-Q100	2.5 MHz	350 kHz	12-PowerVFQFN	Automotive	Buck	36 V
Monolithic Power Systems Inc. MPQ4321GDE-AEC1-P									1 A		Adjustable	12-QFN (2x3)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V	AEC-Q100	2.5 MHz	350 kHz	12-PowerVFQFN	Automotive	Buck	36 V
Monolithic Power Systems Inc. MPQ4321CGDE-AEC1-Z									1 A		Adjustable	12-QFN (2x3)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V		2.5 MHz	350 kHz	12-PowerVFQFN		Buck	36 V
Monolithic Power Systems Inc. MPQ4321CGLE-AEC1-P									1 A		Adjustable	12-QFN (3x4)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V		2.5 MHz	350 kHz	12-PowerVFQFN		Buck	36 V
Monolithic Power Systems Inc. MPQ4321GDE-5-AEC1-Z									1 A		Adjustable	12-QFN (2x3)	Positive	Surface Mount Wettable Flank	34.2 V	-40 °C	150 °C	Step-Down	1	0.8 V	AEC-Q100	2.5 MHz	350 kHz	12-PowerVFQFN	Automotive	Buck	36 V

Pricing

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

Distributor	Package	Quantity	$

Digikey	N/A	8790	$ 2.23
Mouser	N/A	5000	$ 1.03

Description

General part information

MPQ4321 Series

SWITCHING VOLTAGE REGULATORS 42V LOAD DUMP TOLERANT, 1A, ULTRA COMPACT,LOW QUIESCENT CURRENT, SYNCHRONOUSSTEP-DOWN CONVERTER, AEC-Q100 QUALIFIED

Documents

Technical documentation and resources

MPQ4321GDE-AEC1-Z | Datasheet

Datasheet