Integrated Circuits (ICs)

MPQ4559DQ-LF-P

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DC-DC SWITCHING BUCK (STEP DOWN) REGULATOR, 3.8V-55V IN, 800MV TO 52V OUT, 1.5A, 1MHZ, QFN-EP-10

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Integrated Circuits (ICs)

Active

DC-DC SWITCHING BUCK (STEP DOWN) REGULATOR, 3.8V-55V IN, 800MV TO 52V OUT, 1.5A, 1MHZ, QFN-EP-10

Technical Specifications

Parameters and characteristics for this part

Part	Output Configuration	Number of Outputs	Operating Temperature [Min]	Operating Temperature [Max]	Supplier Device Package	Mounting Type	Voltage - Output (Max) [Max]	Package / Case	Voltage - Input (Max) [Max]	Topology	Voltage - Output (Min/Fixed)	Current - Output	Output Type	Function	Voltage - Input (Min) [Min]	Frequency - Switching [Max]	Qualification	Grade	Package / Case [y]	Package / Case [x]
Monolithic Power Systems Inc. MPQ4559DQ-LF-P	Positive	1	-40 C	125 °C	10-QFN (3x3)	Surface Mount	52 V	10-VFDFN Exposed Pad	55 V	Buck	0.8 V	1.5 A	Adjustable	Step-Down	3.8 V	2 MHz
Monolithic Power Systems Inc. MPQ4559DQ-AEC1-LF-Z	Positive	1	-40 C	125 °C	10-QFN (3x3)	Surface Mount	52 V	10-VFDFN Exposed Pad	55 V	Buck	0.8 V	1.5 A	Adjustable	Step-Down	3.8 V	2 MHz	AEC-Q100	Automotive
Monolithic Power Systems Inc. MPQ4559DN-LF-Z	Positive	1	-40 C	125 °C	8-SOICE	Surface Mount	52 V	8-SOIC Exposed Pad	55 V	Buck	0.8 V	1.5 A	Adjustable	Step-Down	3.8 V	2 MHz			3.9 mm	0.154 in
Monolithic Power Systems Inc. MPQ4559DQ-LF-Z	Positive	1	-40 C	125 °C	10-QFN (3x3)	Surface Mount	52 V	10-VFDFN Exposed Pad	55 V	Buck	0.8 V	1.5 A	Adjustable	Step-Down	3.8 V	2 MHz

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General part information

Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 1.5A 10-VFDFN Exposed Pad

Technical documentation and resources