Voltage Regulators - Switching Regulators

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MPQ9840 Step-Down Converters

Monolithic Power Systems (MPS) MPQ9840 Step-Down Converters are high-frequency, step-down switch-mode synchronous converters with built-in power MOSFETs. These converters achieve 3.5A of continuous output current with excellent load and line regulation over 3.3V to 36V input supply range. The MPQ9840 step-down converters feature internal 125mΩ high-side and 55mΩ low-side MOSFET, and hiccup Over-Current Protection (OCP). These converters also feature a 2μA low shutdown supply current, 14μA no-load quiescent current, and 350kHz to 2.5MHz programmable switching frequency.

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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 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-5-AEC1-P Monolithic Power Systems (MPS) 1: $3.87 1,163In Stock	Mfr. Part # MPQ9840GLE-5-AEC1-P Mouser Part # 946-MPQ9840GLE5AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	1,163In Stock	Cut Tape $3.87 $3.01 $2.76 $2.47 $2.34 Reel $2.29	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-16	Buck	5 V	3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-AEC1-P Monolithic Power Systems (MPS) 1: $3.87 830In Stock	Mfr. Part # MPQ9840GLE-AEC1-P Mouser Part # 946-MPQ9840GLE-AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	830In Stock	Cut Tape $3.87 $2.93 $2.69 $2.43 Reel $2.12 View $2.30 $2.07	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-16	Buck		3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GL-P Monolithic Power Systems (MPS) 1: $3.52 407In Stock	Mfr. Part # MPQ9840GL-P Mouser Part # 946-MPQ9840GL-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	407In Stock	Cut Tape $3.52 $2.65 $2.43 $2.19 Reel $2.00 View $2.08 $1.91 $1.86 $1.85	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-16	Buck		3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MPQ9840	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-33-AEC1-P Monolithic Power Systems (MPS) 1: $4.04 470In Stock	Mfr. Part # MPQ9840GLE-33-AEC1-P Mouser Part # 946-MPQ9840GL33AEC1P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	470In Stock	Cut Tape $4.04 $3.01 $2.76 $2.47 $2.34 Reel $2.07	Min.: 1 Mult.: 1 : 500	SMD/SMT	QFN-16	Buck	3.3 V	3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-AEC1-Z Monolithic Power Systems (MPS) 1: $3.52 3,450In Stock	Mfr. Part # MPQ9840GLE-AEC1-Z Mouser Part # 946-MPQ9840GLE-AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	3,450In Stock	Cut Tape $3.52 $2.65 $2.43 $2.19 View Reel $1.85 $2.08 $2.05 $1.95 $1.89 $1.85	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	QFN-16	Buck		3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-33-AEC1-Z Monolithic Power Systems (MPS) 1: $3.64 647In Stock	Mfr. Part # MPQ9840GLE-33-AEC1-Z Mouser Part # 946-MPQ9840GL33AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	647In Stock	Cut Tape $3.64 $2.71 $2.48 $2.24 View Reel $1.85 $2.12 $2.10 $1.97 $1.85 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	QFN-16	Buck	3.3 V	3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GLE-5-AEC1-Z Monolithic Power Systems (MPS) 1: $3.73 75In Stock 5,000Expected 3/9/2027	Mfr. Part # MPQ9840GLE-5-AEC1-Z Mouser Part # 946-MPQ9840GLE5AEC1Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	75In Stock 5,000Expected 3/9/2027	Cut Tape $3.73 $2.81 $2.58 $2.26 View Reel $1.87 $2.14 $2.12 $2.08 $2.01 $1.87	Min.: 1 Mult.: 1 : 5,000	SMD/SMT	QFN-16	Buck	5 V	3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C	AEC-Q100	MPQ9840-AEC1	Reel, Cut Tape
Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter MPQ9840GL-Z Monolithic Power Systems (MPS) 5,000: $1.64 Non-Stocked Lead-Time 37 Weeks	Mfr. Part # MPQ9840GL-Z Mouser Part # 946-MPQ9840GL-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 36V, 3.5A, Low IQ, Synchronous Step-Down Converter Learn More about Monolithic Power Systems (MPS) mps mpq9840 step down converters	Datasheet	Non-Stocked Lead-Time 37 Weeks	Reel $1.64	Min.: 5,000 Mult.: 5,000 : 5,000	SMD/SMT	QFN-16	Buck		3.5 A	1 Output	14 uA	400 kHz to 2.75 MHz	- 40 C	+ 125 C		MPQ9840	Reel

MPQ9840 Step-Down Converters

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