Voltage Regulators - Switching Regulators

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MCP1640 Synchronous Boost Regulator

Microchip Technology MCP1640 Synchronous Boost Regulator is a compact, high-efficiency, fixed frequency, synchronous step-up DC-DC converter. It provides an easy-to-use power supply solution for applications powered by either single-cell, two-cell, or three-cell alkaline, NiCd, NiMH, and single-cell Li-Ion or Li-Polymer batteries.

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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 500 kHz 300 mA Syn Boost Converter MCP1640B-I/MC Microchip Technology 1: $0.811 48,281In Stock	Mfr. Part No. MCP1640B-I/MC Mouser Part No 579-MCP1640B-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	48,281In Stock	$0.811 $0.68 $0.60	Min.: 1 Mult.: 1	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Tube
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640DT-I/CHY Microchip Technology 1: $0.77 5,706In Stock	Mfr. Part No. MCP1640DT-I/CHY Mouser Part No 579-MCP1640DT-I/CHY	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	5,706In Stock	Cut Tape $0.77 $0.765 $0.643 $0.64 View Reel $0.545 $0.634 $0.63 $0.586 $0.585 $0.545 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled MCP1640T-I/MC Microchip Technology 1: $0.811 10,077In Stock	Mfr. Part No. MCP1640T-I/MC Mouser Part No 579-MCP1640TI/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	10,077In Stock	Cut Tape $0.811 $0.69 $0.647 Reel $0.591 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 125 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640BT-I/CHY Microchip Technology 1: $0.77 9,598In Stock 12,000Expected 2026/10/19	Mfr. Part No. MCP1640BT-I/CHY Mouser Part No 579-MCP1640BT-I/CHY	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	9,598In Stock 12,000Expected 2026/10/19	Cut Tape $0.77 $0.643 Reel $0.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640BT-I/MC Microchip Technology 1: $0.811 10,170In Stock	Mfr. Part No. MCP1640BT-I/MC Mouser Part No 579-MCP1640BT-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	10,170In Stock	Cut Tape $0.811 $0.69 Reel $0.611 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 125 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640CT-I/CHY Microchip Technology 1: $0.77 15,453In Stock	Mfr. Part No. MCP1640CT-I/CHY Mouser Part No 579-MCP1640CT-I/CHY	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	15,453In Stock	Cut Tape $0.77 $0.643 Reel $0.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled MCP1640T-I/CHY Microchip Technology 1: $0.77 19,901In Stock	Mfr. Part No. MCP1640T-I/CHY Mouser Part No 579-MCP1640TI/CHY	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	19,901In Stock	Cut Tape $0.77 $0.643 Reel $0.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SMD/SMT	SOT-23-6	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100	MCP1640	Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640C-I/MC Microchip Technology 1: $0.811 105In Stock	Mfr. Part No. MCP1640C-I/MC Mouser Part No 579-MCP1640C-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	105In Stock	$0.811 $0.68 $0.611	Min.: 1 Mult.: 1	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Tube
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640D-I/MC Microchip Technology 1: $0.811 638In Stock	Mfr. Part No. MCP1640D-I/MC Mouser Part No 579-MCP1640D-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	638In Stock	$0.811 $0.68 $0.611	Min.: 1 Mult.: 1	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Tube
Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled MCP1640-I/MC Microchip Technology 1: $0.811 397In Stock	Mfr. Part No. MCP1640-I/MC Mouser Part No 579-MCP1640I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn. PWM/PFM enabled Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	397In Stock	$0.811 $0.68 $0.611	Min.: 1 Mult.: 1	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 85 C	AEC-Q100		Tube
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640CT-I/MC Microchip Technology 1: $0.811 19,800On Order	Mfr. Part No. MCP1640CT-I/MC Mouser Part No 579-MCP1640CT-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	19,800On Order On Order Ship Dates Mfr. No: MCP1640CT-I/MC Stock: 0 On Order: 9,900 Expected 2026/11/16 9,900 Expected 2026/11/17 Factory Lead Time: 16 Weeks	Cut Tape $0.811 $0.69 Reel $0.611 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	DFN-8	Boost	2 V to 5.5 V	350 mA	1 Output	19 uA	500 kHz	- 40 C	+ 125 C	AEC-Q100		Reel, Cut Tape, MouseReel
Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter MCP1640DT-I/MC Microchip Technology 1: $0.811 Non-Stocked Lead-Time 13 Weeks	Mfr. Part No. MCP1640DT-I/MC Mouser Part No 579-MCP1640DT-I/MC	Microchip Technology	Switching Voltage Regulators 500 kHz 300 mA Syn Boost Converter Learn More about Microchip Technology microchip mcp1640 boost regulators	Datasheet	Non-Stocked Lead-Time 13 Weeks	Cut Tape $0.811 $0.69 Reel $0.611 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SMD/SMT	DFN-8	Boost								AEC-Q100		Reel, Cut Tape, MouseReel

MCP1640 Synchronous Boost Regulator

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