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MP9843/MPQ9843 Step-Down Converters

Monolithic Power Systems (MPS) MP9843/MPQ9843 Step-Down Converters are high-frequency, synchronous, rectified, step-down, switch-mode converters with built-in power MOSFETs. The compact solution delivers 3A of continuous output current with excellent load and line regulation over a wide 3.3V to 36V input supply range. The converters programmable switching frequency synchronizes to anexternal clock in the range of 350kHz to 2.5MHz.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SEK) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	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 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GLE-5-AEC1-Z Monolithic Power Systems (MPS) 1: 32,51 kr 9 578In Stock	Mfr. Part No. MPQ9843GLE-5-AEC1-Z Mouser Part No 946-MPQ9843GL5AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	9 578In Stock	Cut Tape 32,51 kr 24,41 kr 22,39 kr 20,14 kr View Reel 15,98 kr 19,01 kr 18,90 kr 17,89 kr 17,44 kr 15,98 kr	Min.: 1 Mult.: 1 : 5 000			SMD/SMT	QFN-16	Buck	5 V	3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9843-AEC1	Reel, Cut Tape
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GL-P Monolithic Power Systems (MPS) 1: 32,74 kr 1 153In Stock	Mfr. Part No. MPQ9843GL-P Mouser Part No 946-MPQ9843GL-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	1 153In Stock	Cut Tape 32,74 kr 24,53 kr 22,50 kr 20,36 kr 19,24 kr Reel 17,10 kr	Min.: 1 Mult.: 1 : 500			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MPQ9843	Reel, Cut Tape
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MP9843GL-Z Monolithic Power Systems (MPS) 1: 24,41 kr 1 983In Stock 5 000Expected 2027-07-09	Mfr. Part No. MP9843GL-Z Mouser Part No 946-MP9843GL-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	1 983In Stock 5 000Expected 2027-07-09	Cut Tape 24,41 kr 18,11 kr 16,54 kr 14,85 kr View Reel 12,38 kr 14,06 kr 13,61 kr 13,39 kr 13,28 kr 12,38 kr	Min.: 1 Mult.: 1 : 5 000			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MP9843	Reel, Cut Tape
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GLE-AEC1-Z Monolithic Power Systems (MPS) 1: 32,51 kr 79In Stock 5 000Expected 2027-03-12	Mfr. Part No. MPQ9843GLE-AEC1-Z Mouser Part No 946-MPQ9843GLEAEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	79In Stock 5 000Expected 2027-03-12	Cut Tape 32,51 kr 24,41 kr 22,39 kr 20,14 kr View Reel 17,10 kr 19,01 kr 18,90 kr 18,34 kr 18,11 kr 17,10 kr	Min.: 1 Mult.: 1 : 5 000			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9843-AEC1	Reel, Cut Tape
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MP9843GL-P Monolithic Power Systems (MPS) 500: 15,64 kr Non-Stocked Lead-Time 44 Weeks	Mfr. Part No. MP9843GL-P Mouser Part No 946-MP9843GL-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	Non-Stocked Lead-Time 44 Weeks	Reel 15,64 kr	Min.: 500 Mult.: 500 : 500			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MP9843	Reel
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GL-Z Monolithic Power Systems (MPS) 5 000: 15,53 kr Non-Stocked Lead-Time 37 Weeks	Mfr. Part No. MPQ9843GL-Z Mouser Part No 946-MPQ9843GL-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel 15,53 kr	Min.: 5 000 Mult.: 5 000 : 5 000			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MPQ9843	Reel
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GLE-5-AEC1-P Monolithic Power Systems (MPS) 500: 22,50 kr Non-Stocked Lead-Time 50 Weeks	Mfr. Part No. MPQ9843GLE-5-AEC1-P Mouser Part No 946-MPQ9843GL5AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mp9843 mpq9843 converters	Datasheet	Non-Stocked Lead-Time 50 Weeks	Reel 22,50 kr	Min.: 500 Mult.: 500 : 500			SMD/SMT	QFN-16	Buck	5 V	3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9843-AEC1	Reel
	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter MPQ9843GLE-AEC1-P Monolithic Power Systems (MPS) 1: 37,13 kr Non-Stocked Lead-Time 50 Weeks	Mfr. Part No. MPQ9843GLE-AEC1-P Mouser Part No 946-MPQ9843GLEAEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3A, Low IQ, Synchronous Step-Down Converter	Datasheet	Non-Stocked Lead-Time 50 Weeks	Cut Tape 37,13 kr 27,68 kr 25,31 kr 22,73 kr 21,49 kr Reel 21,04 kr	Min.: 1 Mult.: 1 : 500			SMD/SMT	QFN-16	Buck		3 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9843-AEC1	Reel, Cut Tape