Voltage Regulators - Switching Regulators

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MPQ442 High-Efficiency Step-Down Converters

Monolithic Power Systems (MPS) MPQ442 High-Efficiency Step Down Converters are synchronous, rectified, step-down converters with built-in power MOSFETs. These converters use synchronous mode operation to achieve higher efficiency over the output current load range. The current-mode operation provides a fast transient response and eases loop stabilization. Full protection features include overcurrent protection (OCP) and thermal shutdown. These devices require a minimal number of readily available, standard, external components. MPS MPQ442 High-Efficiency Step Down Converters are offered in both TSOT23-8 and QFN-8 packages.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (IDR) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package/Case	Topology	Output Voltage	Output Current	Number of Outputs	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Series	Packaging
Switching Voltage Regulators Industrial Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter MPQ4423HGQ-Z Monolithic Power Systems (MPS) 1: Rp64.578 2.881In Stock	Mfr. Part No. MPQ4423HGQ-Z Mouser Part No 946-MPQ4423HGQ-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	2.881In Stock	Cut Tape Rp64.578 Rp48.617 Rp44.581 Rp40.178 View Reel Rp33.757 Rp38.160 Rp37.609 Rp35.775 Rp34.674 Rp33.757 MouseReel Available	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C		MPQ4423H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter with AEC1 qualified MPQ4423HGQ-AEC1-P Monolithic Power Systems (MPS) 1: Rp125.487 206In Stock	Mfr. Part No. MPQ4423HGQ-AEC1-P Mouser Part No 946-MPQ4423HGQ-AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	206In Stock	Cut Tape Rp125.487 Rp108.058 Rp90.629 Rp51.185 Reel Rp43.297 Rp42.930 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A HE 36V Sync Step Down Converter MPQ4423AGQ-AEC1-P Monolithic Power Systems (MPS) 1: Rp126.954 357In Stock	Mfr. Part No. MPQ4423AGQ-AEC1-P Mouser Part No 946-MPQ4423AGQ-AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 3A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	357In Stock	Cut Tape Rp126.954 Rp87.327 Rp83.291 Rp80.722 Reel Rp46.782 Rp42.930 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423A	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive Grade,Hig h Efficiency 2A,36V MPQ4420GJ-AEC1-Z Monolithic Power Systems (MPS) 1: Rp58.524 2.323In Stock	Mfr. Part No. MPQ4420GJ-AEC1-Z Mouser Part No 946-MPQ4420GJ-AEC1-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,Hig h Efficiency 2A,36V Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	2.323In Stock	Cut Tape Rp58.524 Rp43.847 Rp40.178 Rp36.875 Reel Rp31.555 View Rp35.041 Rp34.490 Rp30.271 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	TSOT-23-8	Buck	800 mV to 27 V	2 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4420-AEC1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter with AEC1 qualified MPQ4420HGJ-AEC1-P Monolithic Power Systems (MPS) 1: Rp70.999 696In Stock	Mfr. Part No. MPQ4420HGJ-AEC1-P Mouser Part No 946-MPQ4420HGJ-AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	696In Stock	Cut Tape Rp70.999 Rp53.754 Rp49.351 Rp44.581 Reel Rp40.728 View Rp42.196 Rp38.894 Rp37.976 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4420H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter with AEC1 qualified MPQ4420HGJ-AEC1-Z Monolithic Power Systems (MPS) 1: Rp66.596 2.548In Stock	Mfr. Part No. MPQ4420HGJ-AEC1-Z Mouser Part No 946-MPQ4420HGJ-AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	2.548In Stock	Cut Tape Rp66.596 Rp49.534 Rp45.315 Rp40.545 Reel Rp34.490 View Rp38.343 Rp37.609 Rp35.591 Rp33.940 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4420H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2A HE 36V Sync Step Down Converter MPQ4420AGJ-P Monolithic Power Systems (MPS) 1: Rp65.862 471In Stock	Mfr. Part No. MPQ4420AGJ-P Mouser Part No 946-MPQ4420AGJ-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 2A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	471In Stock	Cut Tape Rp65.862 Rp49.718 Rp45.498 Rp41.095 Reel Rp38.710 View Rp38.894 Rp38.527 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C		MPQ4420A	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Automotive Grade,Hig h Efficiency 2A,36V MPQ4420GJ-AEC1-P Monolithic Power Systems (MPS) 1: Rp68.064 60In Stock	Mfr. Part No. MPQ4420GJ-AEC1-P Mouser Part No 946-MPQ4420GJ-AEC1-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,Hig h Efficiency 2A,36V Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	60In Stock	Cut Tape Rp68.064 Rp50.818 Rp46.599 Rp42.012 Reel Rp36.875 View Rp39.627 Rp35.408 Rp34.490 Rp33.940 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TSOT-23-8	Buck	800 mV to 27 V	2 A	1 Output	500 uA	410 kHz	- 40 C	+ 150 C	AEC-Q100	MPQ4420-AEC1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Industrial Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter MPQ4420HGJ-P Monolithic Power Systems (MPS) 1: Rp69.898 22In Stock 2.500Expected 24/08/2027	Mfr. Part No. MPQ4420HGJ-P Mouser Part No 946-MPQ4420HGJ-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	22In Stock 2.500Expected 24/08/2027	Cut Tape Rp69.898 Rp52.653 Rp47.333 Rp42.746 Reel Rp37.976 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C		MPQ4420H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Industrial Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter MPQ4423HGQ-P Monolithic Power Systems (MPS) 1: Rp70.999 116In Stock	Mfr. Part No. MPQ4423HGQ-P Mouser Part No 946-MPQ4423HGQ-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	116In Stock	Cut Tape Rp70.999 Rp53.754 Rp49.351 Rp44.581 Reel Rp40.728 View Rp42.196 Rp38.894 Rp37.793 Rp37.426 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C		MPQ4423H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2A HE 36V Sync Step Down Converter MPQ4420AGJ-AEC1-P Monolithic Power Systems (MPS) 1: Rp82.924 477Expected 13/04/2027	Mfr. Part No. MPQ4420AGJ-AEC1-P Mouser Part No 946-MPQ4420AGJ-AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 2A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	477Expected 13/04/2027	Cut Tape Rp82.924 Rp65.312 Rp58.157 Rp52.103 Rp49.351 Reel Rp43.113 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4420A	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 2A HE 36V Sync Step Down Converter MPQ4420AGJ-AEC1-Z Monolithic Power Systems (MPS) 1: Rp67.513 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ4420AGJ-AEC1-Z Mouser Part No 946-MPQ4420AGJ-AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 2A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape Rp67.513 Rp50.635 Rp46.232 Rp41.645 View Reel Rp35.224 Rp39.444 Rp38.710 Rp37.609 Rp35.224	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4420A	Reel, Cut Tape
Switching Voltage Regulators 2A HE 36V Sync Step Down Converter MPQ4420AGJ-Z Monolithic Power Systems (MPS) 3.000: Rp31.372 Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ4420AGJ-Z Mouser Part No 946-MPQ4420AGJ-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 2A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel Rp31.372	Min.: 3.000 Mult.: 3.000 : 3.000	SMD/SMT	TSOT-23-8	Buck	800 mV to 32.4 V	2 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C		MPQ4420A	Reel
Switching Voltage Regulators Industrial Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter MPQ4420HGJ-Z Monolithic Power Systems (MPS) 1: Rp61.826 Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ4420HGJ-Z Mouser Part No 946-MPQ4420HGJ-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 37 Weeks	Cut Tape Rp61.826 Rp46.232 Rp42.196 Rp37.976 View Reel Rp31.555 Rp35.958 Rp35.224 Rp33.390 Rp31.555 MouseReel Available	Min.: 1 Mult.: 1 : 3.000	SMD/SMT	TSOT-23-8	Buck									MPQ4420H	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 3A HE 36V Sync Step Down Converter MPQ4423AGQ-AEC1-Z Monolithic Power Systems (MPS) 1: Rp68.981 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ4423AGQ-AEC1-Z Mouser Part No 946-MPQ4423AGQ-AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 3A HE 36V Sync Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape Rp68.981 Rp51.552 Rp47.333 Rp42.563 View Reel Rp35.591 Rp40.178 Rp39.627 Rp38.527 Rp36.875 Rp35.591	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	600 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423A	Reel, Cut Tape
Switching Voltage Regulators Automotive Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter with AEC1 qualified MPQ4423GQ-AEC1-P Monolithic Power Systems (MPS) 500: Rp40.361 Non-Stocked Lead-Time 50 Weeks	Mfr. Part No. MPQ4423GQ-AEC1-P Mouser Part No 946-MPQ4423GQ-AEC1-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 50 Weeks	Reel Rp40.361	Min.: 500 Mult.: 500 : 500	SMD/SMT	QFN-8	Buck	800 mV to 27 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423-AEC1	Reel
Switching Voltage Regulators Automotive Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter with AEC1 qualified MPQ4423GQ-AEC1-Z Monolithic Power Systems (MPS) 5.000: Rp33.390 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ4423GQ-AEC1-Z Mouser Part No 946-MPQ4423GQ-AEC1-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel Rp33.390	Min.: 5.000 Mult.: 5.000 : 5.000	SMD/SMT	QFN-8	Buck	800 mV to 27 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423-AEC1	Reel
Switching Voltage Regulators Industrial Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter MPQ4423GQ-P Monolithic Power Systems (MPS) 1: Rp63.294 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ4423GQ-P Mouser Part No 946-MPQ4423GQ-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape Rp63.294 Rp47.700 Rp43.663 Rp39.444 Rp37.976 Reel Rp36.509 MouseReel Available	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-8	Buck	800 mV to 27 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C		MPQ4423	Reel, Cut Tape, MouseReel
Switching Voltage Regulators Industrial Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter MPQ4423GQ-Z Monolithic Power Systems (MPS) 5.000: Rp32.839 Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ4423GQ-Z Mouser Part No 946-MPQ4423GQ-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Industrial Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel Rp32.839	Min.: 5.000 Mult.: 5.000 : 5.000	SMD/SMT	QFN-8	Buck	800 mV to 27 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C		MPQ4423	Reel
Switching Voltage Regulators Automotive Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter with AEC1 qualified MPQ4423HGQ-AEC1-Z Monolithic Power Systems (MPS) 1: Rp68.981 Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MPQ4423HGQ-AEC1-Z Mouser Part No 946-MPQ4423HGQ-AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators Automotive Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter with AEC1 qualified Learn More about Monolithic Power Systems (MPS) mps mpq442 converter	Datasheet	Non-Stocked Lead-Time 44 Weeks	Cut Tape Rp68.981 Rp51.552 Rp47.333 Rp42.563 View Reel Rp34.857 Rp40.912 Rp38.527 Rp34.857 MouseReel Available	Min.: 1 Mult.: 1 : 5.000	SMD/SMT	QFN-8	Buck	800 mV to 32.4 V	3 A	1 Output	500 uA	410 kHz	- 40 C	+ 125 C	AEC-Q100	MPQ4423H	Reel, Cut Tape, MouseReel

MPQ442 High-Efficiency Step-Down Converters

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