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 (USD) 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: $3.52 2,881In Stock	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	2,881In Stock	Cut Tape $3.52 $2.65 $2.43 $2.19 View Reel $1.84 $2.08 $2.05 $1.95 $1.89 $1.84 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 3A HE 36V Sync Step Down Converter MPQ4423AGQ-AEC1-P Monolithic Power Systems (MPS) 1: $6.92 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 $6.92 $4.76 $4.54 $4.40 Reel $2.55 $2.34 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: $6.84 206In 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	206In Stock	Cut Tape $6.84 $5.89 $4.94 $2.79 Reel $2.36 $2.34 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 Automotive Grade,Hig h Efficiency 2A,36V MPQ4420GJ-AEC1-Z Monolithic Power Systems (MPS) 1: $3.19 2,323In 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	2,323In Stock	Cut Tape $3.19 $2.39 $2.19 $2.01 Reel $1.72 View $1.91 $1.88 $1.65 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: $3.87 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 $3.87 $2.93 $2.69 $2.43 Reel $2.22 View $2.30 $2.12 $2.07 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: $3.63 2,548In Stock	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	2,548In Stock	Cut Tape $3.63 $2.70 $2.47 $2.21 Reel $1.88 View $2.09 $2.05 $1.94 $1.85 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: $3.59 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 $3.59 $2.71 $2.48 $2.24 Reel $2.11 View $2.12 $2.10 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: $3.71 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 $3.71 $2.77 $2.54 $2.29 Reel $2.01 View $2.16 $1.93 $1.88 $1.85 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: $3.81 22In 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	22In Stock 2,500Expected 8/24/2027	Cut Tape $3.81 $2.87 $2.58 $2.33 Reel $2.07 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: $3.87 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 $3.87 $2.93 $2.69 $2.43 Reel $2.22 View $2.30 $2.12 $2.06 $2.04 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: $4.52 477Expected 4/13/2027	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 4/13/2027	Cut Tape $4.52 $3.56 $3.17 $2.84 $2.69 Reel $2.35 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: $3.68 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 $3.68 $2.76 $2.52 $2.27 View Reel $1.92 $2.15 $2.11 $2.05 $1.92	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: $1.71 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 $1.71	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: $3.37 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 $3.37 $2.52 $2.30 $2.07 View Reel $1.72 $1.96 $1.92 $1.82 $1.72 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: $3.76 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 $3.76 $2.81 $2.58 $2.32 View Reel $1.94 $2.19 $2.16 $2.10 $2.01 $1.94	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: $2.20 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 $2.20	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: $1.82 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 $1.82	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: $3.45 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	Cut Tape $3.45 $2.60 $2.38 $2.15 $2.07 Reel $1.99 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: $1.79 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 $1.79	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: $3.76 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	Cut Tape $3.76 $2.81 $2.58 $2.32 View Reel $1.90 $2.23 $2.10 $1.90 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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