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 (CLP) 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 3A HE 36V Sync Step Down Converter MPQ4423AGQ-AEC1-P Monolithic Power Systems (MPS) 1: $6.870 357In Stock	Mfr. Part # MPQ4423AGQ-AEC1-P Mouser Part # 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 $6.870 $4.306 $4.044 $3.862 Reel $2.666 View $2.575 $2.541 $2.529 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,High Efficiency 3A,true 36V,Synchronous Step Down Converter with AEC1 qualified MPQ4423HGQ-AEC1-P Monolithic Power Systems (MPS) 1: $6.790 201In Stock	Mfr. Part # MPQ4423HGQ-AEC1-P Mouser Part # 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	201In Stock	Cut Tape $6.790 $5.890 $4.990 $3.076 Reel $2.598 View $2.586 $2.552 $2.529 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 2A HE 36V Sync Step Down Converter MPQ4420AGJ-P Monolithic Power Systems (MPS) 1: $4.090 471In Stock	Mfr. Part # MPQ4420AGJ-P Mouser Part # 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 $4.090 $3.087 $2.825 $2.552 Reel $2.404 View $2.415 $2.370 $2.336 $2.313 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-Z Monolithic Power Systems (MPS) 1: $3.634 2.073In Stock	Mfr. Part # MPQ4420GJ-AEC1-Z Mouser Part # 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	2.073In Stock	Cut Tape $3.634 $2.723 $2.495 $2.290 Reel $1.960 View $2.176 $2.142 $1.880 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: $4.409 696In Stock	Mfr. Part # MPQ4420HGJ-AEC1-P Mouser Part # 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 $4.409 $3.338 $3.065 $2.768 Reel $2.586 View $2.620 $2.415 $2.358 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: $4.136 1In Stock 3.000Expected 11/29/2027	Mfr. Part # MPQ4420HGJ-AEC1-Z Mouser Part # 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	1In Stock 3.000Expected 11/29/2027	Cut Tape $4.136 $3.053 $2.803 $2.518 View Reel $2.142 $2.381 $2.347 $2.142 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 Industrial Grade,High Efficiency 2A,true 36V,Synchronous Step Down Converter MPQ4420HGJ-P Monolithic Power Systems (MPS) 1: $4.238 9In Stock 2.500Expected 8/24/2027	Mfr. Part # MPQ4420HGJ-P Mouser Part # 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	9In Stock 2.500Expected 8/24/2027	Cut Tape $4.238 $3.156 $2.939 $2.655 $2.518 Reel $2.336 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 Automotive Grade,Hig h Efficiency 2A,36V MPQ4420GJ-AEC1-P Monolithic Power Systems (MPS) 1: $4.227 60In Stock	Mfr. Part # MPQ4420GJ-AEC1-P Mouser Part # 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 $4.227 $3.156 $2.894 $2.609 Reel $2.290 View $2.461 $2.199 $2.142 $2.108 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 3A,true 36V,Synchronous Step Down Converter MPQ4423HGQ-P Monolithic Power Systems (MPS) 1: $4.637 116In Stock	Mfr. Part # MPQ4423HGQ-P Mouser Part # 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 $4.637 $3.475 $3.190 $2.871 Reel $2.632 View $2.711 $2.506 $2.472 $2.438 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 Industrial Grade,High Efficiency 3A,true 36V,Synchronous Step Down Converter MPQ4423HGQ-Z Monolithic Power Systems (MPS) 1: $4.010 2.881Expected 7/15/2027	Mfr. Part # MPQ4423HGQ-Z Mouser Part # 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	2.881Expected 7/15/2027	Cut Tape $4.010 $3.019 $2.768 $2.495 View Reel $2.108 $2.370 $2.347 $2.222 $2.153 $2.108 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 2A HE 36V Sync Step Down Converter MPQ4420AGJ-AEC1-P Monolithic Power Systems (MPS) 1: $4.956 477Expected 1/15/2027	Mfr. Part # MPQ4420AGJ-AEC1-P Mouser Part # 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 1/15/2027	Cut Tape $4.956 $3.942 $3.406 $3.087 $2.928 Reel $2.609 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: $4.238 Non-Stocked Lead-Time 44 Weeks	Mfr. Part # MPQ4420AGJ-AEC1-Z Mouser Part # 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 $4.238 $3.463 $2.974 $2.689 View Reel $2.290 $2.563 $2.518 $2.438 $2.290	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: $1.948 Non-Stocked Lead-Time 37 Weeks	Mfr. Part # MPQ4420AGJ-Z Mouser Part # 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 $1.948	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: $3.839 Non-Stocked Lead-Time 37 Weeks	Mfr. Part # MPQ4420HGJ-Z Mouser Part # 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 $3.839 $2.871 $2.620 $2.358 View Reel $1.960 $2.233 $2.187 $2.130 $1.960 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: $4.284 Non-Stocked Lead-Time 44 Weeks	Mfr. Part # MPQ4423AGQ-AEC1-Z Mouser Part # 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 $4.284 $3.201 $2.939 $2.643 View Reel $2.210 $2.495 $2.461 $2.392 $2.290 $2.210	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: $2.506 Non-Stocked Lead-Time 50 Weeks	Mfr. Part # MPQ4423GQ-AEC1-P Mouser Part # 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 $2.506	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: $2.073 Non-Stocked Lead-Time 44 Weeks	Mfr. Part # MPQ4423GQ-AEC1-Z Mouser Part # 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 $2.073	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) 500: $2.267 Non-Stocked Lead-Time 44 Weeks	Mfr. Part # MPQ4423GQ-P Mouser Part # 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	Reel $2.267	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		MPQ4423	Reel
Switching Voltage Regulators Industrial Grade,High Efficiency 3A,36V max,Synchronous Step Down Converter MPQ4423GQ-Z Monolithic Power Systems (MPS) 5.000: $2.039 Non-Stocked Lead-Time 37 Weeks	Mfr. Part # MPQ4423GQ-Z Mouser Part # 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 $2.039	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) 5.000: $2.165 Non-Stocked Lead-Time 44 Weeks	Mfr. Part # MPQ4423HGQ-AEC1-Z Mouser Part # 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	Reel $2.165	Min.: 5.000 Mult.: 5.000 : 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

MPQ442 High-Efficiency Step-Down Converters

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MPQ442 High-Efficiency Step-Down Converters

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