Integrated Circuits (ICs)

MPQ4423AGQ-P

Active

MONOLITHIC POWER SYSTEMS (MPS)

DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, 4V-36V IN, 800MV TO 32.4V OUT, 3A, 410KHZ, QFN-8

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Integrated Circuits (ICs)

MPQ4423AGQ-P

Active

MONOLITHIC POWER SYSTEMS (MPS)

DC-DC SWITCHING SYNCHRONOUS BUCK REGULATOR, 4V-36V IN, 800MV TO 32.4V OUT, 3A, 410KHZ, QFN-8

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Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	MPQ4423AGQ-P

Current - Output	3 A
Frequency - Switching	410 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature [Max]	125 ¯C
Operating Temperature [Min]	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	8-VDFN
Supplier Device Package	8-QFN (3x3)
Synchronous Rectifier	True
Topology	Buck
Voltage - Input (Max) [Max]	36 V
Voltage - Input (Min) [Min]	4 V
Voltage - Output (Max) [Max]	32.4 V
Voltage - Output (Min/Fixed)	0.8 V

MPQ4423 Series

Part	Output Type	Mounting Type	Output Configuration	Voltage - Output (Max) [Max]	Frequency - Switching	Function	Package / Case	Current - Output	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Topology	Voltage - Output (Min/Fixed)	Voltage - Input (Min) [Min]	Number of Outputs	Voltage - Input (Max) [Max]	Qualification	Grade
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423GQ-Z	Adjustable	Surface Mount	Positive	27 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	30 V
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423HGQE-AEC1-Z	Adjustable	Surface Mount Wettable Flank	Positive	32.4 V	410 kHz	Step-Down	8-VDFN Exposed Pad	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V	AEC-Q100	Automotive
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423HGQE-AEC1-P	Adjustable	Surface Mount Wettable Flank	Positive	32.4 V	410 kHz	Step-Down	8-VDFN Exposed Pad	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V	AEC-Q100	Automotive
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423AGQ-AEC1-P	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V	AEC-Q100	Automotive
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423HGQ-P	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423AGQ-Z	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423AGQ-P	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423HGQ-AEC1-P	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	36 V	AEC-Q100	Automotive
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423GQ-AEC1-Z	Adjustable	Surface Mount	Positive	27 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	30 V	AEC-Q100	Automotive
MONOLITHIC POWER SYSTEMS (MPS) MPQ4423HGQ-Z	Adjustable	Surface Mount	Positive	32.4 V	410 kHz	Step-Down	8-VDFN	3 A	-40 °C	125 ¯C	8-QFN (3x3)	Buck	0.8 V	4 V	1	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	Tape & Reel (TR)	500	$ 2.50
		1000	$ 2.11
		2500	$ 2.00
		5000	$ 1.93
Newark	Each (Supplied on Cut Tape)	1	$ 5.26
		10	$ 4.71
		25	$ 4.53
		50	$ 4.35
		100	$ 4.17
		250	$ 4.01
		500	$ 3.35
		1000	$ 3.16

Description

General part information

MPQ4423 Series

3A, 36V, synchronous step-down converter with built-in power MOSFETs

85mohm/55mohm low RDS(ON) internal power MOSFETs

Synchronizes to a 200KHz to 2.2MHz external clock

Documents

Technical documentation and resources