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Microchip Switching Controllers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Topology	Number of Outputs	Switching Frequency	Duty Cycle - Max	Input Voltage	Output Voltage	Output Current	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Qualification	Packaging
Switching Controllers Monolithic SMPS Controller MIC38C42-1YM Microchip Technology 1: ¥599.6 196In Stock	Mfr. Part # MIC38C42-1YM Mouser Part # 998-MIC38C42-1YM	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	196In Stock	¥599.6 ¥503.3 ¥456.8	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	500 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-14		Tube
Switching Controllers Monolithic SMPS Controller MIC38C42AYM Microchip Technology 1: ¥420.2 87In Stock	Mfr. Part # MIC38C42AYM Mouser Part # 998-MIC38C42AYM	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	87In Stock	¥420.2 ¥352.1 ¥318.9	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	500 mA	- 40 C	+ 85 C	SMD/SMT	SOIC-8		Tube
Switching Controllers Monolithic SMPS Controller MIC38HC44YN Microchip Technology 1: ¥340.5 39In Stock	Mfr. Part # MIC38HC44YN Mouser Part # 998-MIC38HC44YN	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	39In Stock	¥340.5 ¥284 ¥257.5	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	50 %		5 V	1 A	- 40 C	+ 85 C	Through Hole	DIP-8		Tube
Switching Controllers High Efficiency Synchronous Buck Controller MIC2182-3.3YM Microchip Technology 1: ¥769 96In Stock	Mfr. Part # MIC2182-3.3YM Mouser Part # 998-MIC2182-3.3YM	Microchip Technology	Switching Controllers High Efficiency Synchronous Buck Controller	Datasheet	96In Stock	¥769 ¥637.8	Min.: 1 Mult.: 1	Buck	5 Output	330 kHz	86 %		3.3 V	20 A	- 40 C	+ 85 C	SMD/SMT	SOP-16		Tube
Switching Controllers Monolithic SMPS Controller MIC38C43YN Microchip Technology 1: ¥267.4 323In Stock	Mfr. Part # MIC38C43YN Mouser Part # 998-MIC38C43YN	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	323In Stock	¥267.4 ¥222.6 ¥201	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	500 mA	- 40 C	+ 85 C	Through Hole	DIP-8		Tube
Switching Controllers Monolithic SMPS Controller MIC38C44YN Microchip Technology 1: ¥284 155In Stock	Mfr. Part # MIC38C44YN Mouser Part # 998-MIC38C44YN	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	155In Stock	¥284 ¥265.8 ¥237.5 ¥224.2 ¥220.9	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	50 %		5 V	500 mA	- 40 C	+ 85 C	Through Hole	DIP-8		Tube
Switching Controllers SO-16 High Vin Telecom DC/DC PWM Control MIC9130YQS Microchip Technology 1: ¥803.9 172In Stock	Mfr. Part # MIC9130YQS Mouser Part # 998-MIC9130YQS	Microchip Technology	Switching Controllers SO-16 High Vin Telecom DC/DC PWM Control	Datasheet	172In Stock	¥803.9 ¥669.4	Min.: 1 Mult.: 1	Boost, Buck	1 Output	2.5 MHz	50 %		4.85 V	1 A	- 40 C	+ 125 C	SMD/SMT	QSOP-16		Tube
Switching Controllers 36V, Dual Phase COT Buck Controller, HLL & Phase Shedding MIC21LV33YML-TR Microchip Technology 1: ¥328.9 3,290In Stock	Mfr. Part # MIC21LV33YML-TR Mouser Part # 579-MIC21LV33YML-TR	Microchip Technology	Switching Controllers 36V, Dual Phase COT Buck Controller, HLL & Phase Shedding Learn More about Microchip Technology microchip mic21lv32 mic21lv33 controllers	Datasheet	3,290In Stock	Cut Tape ¥328.9 ¥297.3 ¥290.7 ¥270.7 Reel ¥265.8	Min.: 1 Mult.: 1 : 3,300	Buck	1 Output	100 kHz to 1 MHz	85 %		Adjustable		- 40 C	+ 125 C	SMD/SMT			Reel, Cut Tape
Switching Controllers Monolithic SMPS Controller MIC38C43YMM-TR Microchip Technology 1: ¥318.9 2,458In Stock	Mfr. Part # MIC38C43YMM-TR Mouser Part # 998-MIC38C43YMMTR	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	2,458In Stock	Cut Tape ¥318.9 ¥315.6 ¥313.9 Reel ¥257.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500										SMD/SMT	MSOP-8		Reel, Cut Tape, MouseReel
Switching Controllers Monolithic SMPS Controller MIC38HC43-1YM Microchip Technology 1: ¥568.1 125In Stock	Mfr. Part # MIC38HC43-1YM Mouser Part # 998-MIC38HC43-1YM	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	125In Stock	¥568.1 ¥475 ¥431.9	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	1 A	- 40 C	+ 85 C	SMD/SMT	SOIC-14		Tube
Switching Controllers Monolithic SMPS Controller MIC38C43AYMM Microchip Technology 1: ¥431.9 165In Stock	Mfr. Part # MIC38C43AYMM Mouser Part # 998-MIC38C43AYMM	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	165In Stock	¥431.9 ¥357.1 ¥325.6	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	500 mA	- 40 C	+ 85 C	SMD/SMT	MSOP-8		Tube
Switching Controllers Monolithic SMPS Controller MIC38HC43YN Microchip Technology 1: ¥393.7 64In Stock	Mfr. Part # MIC38HC43YN Mouser Part # 998-MIC38HC43YN	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	64In Stock	¥393.7 ¥325.6 ¥295.7	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	96 %		5 V	1 A	- 40 C	+ 85 C	Through Hole	DIP-8		Tube
Switching Controllers Monolithic SMPS Controller MIC38HC45YN Microchip Technology 1: ¥340.5 194In Stock	Mfr. Part # MIC38HC45YN Mouser Part # 998-MIC38HC45YN	Microchip Technology	Switching Controllers Monolithic SMPS Controller	Datasheet	194In Stock	¥340.5 ¥310.6 ¥284 ¥262.4 View ¥259.1 ¥257.5	Min.: 1 Mult.: 1	Boost, Buck, Flyback, Forward	1 Output	500 kHz	50 %		5 V	1 A	- 40 C	+ 85 C	Through Hole	DIP-8		Tube
Switching Controllers Sync Buck, PWM Ctrl 300Khz, 8ns MCP19035-AAABE/MF Microchip Technology 1: ¥345.5 60In Stock	Mfr. Part # MCP19035-AAABE/MF Mouser Part # 579-MCP19035AAABE/MF	Microchip Technology	Switching Controllers Sync Buck, PWM Ctrl 300Khz, 8ns Learn More about Microchip Technology microchip mcp19035	Datasheet	60In Stock	¥345.5 ¥287.4 ¥264.1	Min.: 1 Mult.: 1	Buck	1 Output	300 kHz	85 %		5 V	50 mA	- 40 C	+ 125 C	SMD/SMT	DFN-10	AEC-Q100	Tube
Switching Controllers 36V, Dual Phase COT Buck Controller, Stackable Feature MIC21LV32YML-TR Microchip Technology 1: ¥380.4 3,370In Stock	Mfr. Part # MIC21LV32YML-TR Mouser Part # 579-MIC21LV32YML-TR	Microchip Technology	Switching Controllers 36V, Dual Phase COT Buck Controller, Stackable Feature Learn More about Microchip Technology microchip mic21lv32 mic21lv33 controllers	Datasheet	3,370In Stock	Cut Tape ¥380.4 ¥378.7 ¥325.6 ¥295.7 Reel ¥294	Min.: 1 Mult.: 1 : 3,300	Buck	1 Output	100 kHz to 1 MHz	85 %	4.5 V to 36 V	Adjustable		- 40 C	+ 125 C	SMD/SMT	VQFN-32		Reel, Cut Tape
Switching Controllers 38V DC-DC Buck Controller with HSC MIC2102YML-TR Microchip Technology 1: ¥257.5 4,238In Stock	Mfr. Part # MIC2102YML-TR Mouser Part # 998-MIC2102YMLTR	Microchip Technology	Switching Controllers 38V DC-DC Buck Controller with HSC	Datasheet	4,238In Stock	Cut Tape ¥257.5 ¥255.8 ¥252.5 ¥250.8 View Reel ¥207.6 ¥232.5 ¥229.2 ¥207.6 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Buck	1 Output	200 kHz to 600 kHz	85 %		800 mV to 24 V	15 A	- 40 C	+ 125 C	SMD/SMT	MLF-16		Reel, Cut Tape, MouseReel
Switching Controllers Current Mode PWMs, High-Reliability Isolated Switching Regulators Microchip Technology SG3845DM SG3845DM Microchip Technology 1: ¥1,247.4 619In Stock Factory Special Order	Mfr. Part # SG3845DM Mouser Part # 494-SG3845DM Factory Special Order	Microchip Technology	Switching Controllers Current Mode PWMs, High-Reliability Isolated Switching Regulators	Datasheet	619In Stock	¥1,247.4 ¥1,079.7 ¥998.3 ¥798.9	Min.: 1 Mult.: 1	Buck, Flyback, Forward	1 Output	500 kHz	50 %		5 V	6 mA	0 C	+ 70 C	SMD/SMT			Tube
Switching Controllers 100V, Synch Buck Controller w/ Adj Gate Drive & Integrated BootStrap Schottky MIC2129T-E/2FW Microchip Technology 1: ¥435.2 2,187In Stock	Mfr. Part # MIC2129T-E/2FW Mouser Part # 579-MIC2129T-E/2FW	Microchip Technology	Switching Controllers 100V, Synch Buck Controller w/ Adj Gate Drive & Integrated BootStrap Schottky Learn More about Microchip Technology microchip mic2129 dc dc step down controllers	Datasheet	2,187In Stock	Cut Tape ¥435.2 ¥363.8 Reel ¥330.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,500													Reel, Cut Tape, MouseReel
Switching Controllers 100V, Synch Buck Controller w/ Adj Gate Drive & Integrated BootStrap Schottky MIC2129T-E/U3B Microchip Technology 1: ¥395.3 1,715In Stock	Mfr. Part # MIC2129T-E/U3B Mouser Part # 579-MIC2129T-E/U3B	Microchip Technology	Switching Controllers 100V, Synch Buck Controller w/ Adj Gate Drive & Integrated BootStrap Schottky Learn More about Microchip Technology microchip mic2129 dc dc step down controllers	Datasheet	1,715In Stock	Cut Tape ¥395.3 ¥330.5 Reel ¥299 MouseReel Available	Min.: 1 Mult.: 1 : 1,000													Reel, Cut Tape, MouseReel
Switching Controllers 4 SWITCH BUCK BOOST CONTROLLER WITH I2C INTERFACE MCP19061T-E/RTB Microchip Technology 1: ¥448.5 254In Stock New Product	Mfr. Part # MCP19061T-E/RTB Mouser Part # 579-MCP19061T-E/RTB New Product	Microchip Technology	Switching Controllers 4 SWITCH BUCK BOOST CONTROLLER WITH I2C INTERFACE	Datasheet	254In Stock	Cut Tape ¥448.5 ¥373.7 Reel ¥340.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	Buck-Boost	2 Output	300 kHz to 500 kHz	90 %	6 V to 36 V			- 40 C	+ 125 C	SMD/SMT	VQFN-32		Reel, Cut Tape, MouseReel
Switching Controllers HVCMOS HV9112NG-G Microchip Technology 1: ¥516.6 672In Stock	Mfr. Part # HV9112NG-G Mouser Part # 689-HV9112NG-G	Microchip Technology	Switching Controllers HVCMOS	Datasheet	672In Stock	¥516.6 ¥430.2 ¥390.3	Min.: 1 Mult.: 1	Flyback	1 Output	1 MHz	49.6 %		4.12 V	2 mA	- 55 C	+ 125 C	SMD/SMT	SOIC-14		Tube
Switching Controllers HVCMOS 450V 2% Ref HV9120NG-G Microchip Technology 1: ¥476.7 2,353In Stock	Mfr. Part # HV9120NG-G Mouser Part # 689-HV9120NG-G	Microchip Technology	Switching Controllers HVCMOS 450V 2% Ref	Datasheet	2,353In Stock	¥476.7 ¥397 ¥362.1	Min.: 1 Mult.: 1	Flyback	1 Output	1 MHz	49.6 %		4.08 V	2 mA	- 40 C	+ 125 C	SMD/SMT	SOIC-16		Tube
Switching Controllers HVCMOS 450V 2% Ref HV9123NG-G Microchip Technology 1: ¥523.2 2,480In Stock	Mfr. Part # HV9123NG-G Mouser Part # 689-HV9123NG-G	Microchip Technology	Switching Controllers HVCMOS 450V 2% Ref	Datasheet	2,480In Stock	¥523.2 ¥436.8 ¥397	Min.: 1 Mult.: 1		1 Output	1 MHz	99 %		4 V to 13.5 V	2 mA	- 55 C	+ 125 C	SMD/SMT	SOIC-16		Tube
Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with Light Load Mode Selection MIC2127AYML-TR Microchip Technology 1: ¥257.5 1,988In Stock 5,000Expected 11/5/2026	Mfr. Part # MIC2127AYML-TR Mouser Part # 579-MIC2127-AYML-TR	Microchip Technology	Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with Light Load Mode Selection Learn More about Microchip Technology microchip mic2127a controller	Datasheet	1,988In Stock 5,000Expected 11/5/2026	Cut Tape ¥257.5 ¥254.1 Reel ¥214.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	Buck	1 Output	270 kHz to 800 kHz	85 %		600 mV to 30 V		- 40 C	+ 125 C	SMD/SMT	VQFN-16		Reel, Cut Tape, MouseReel
Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start MIC2128YML-TR Microchip Technology 1: ¥257.5 5,054In Stock	Mfr. Part # MIC2128YML-TR Mouser Part # 579-MIC2128YML-TR	Microchip Technology	Switching Controllers 75V, Synchronous Buck Controller Featuring Adaptive On-Time Control with External Soft Start Learn More about Microchip Technology microchip mic2128 buck controller	Datasheet	5,054In Stock	Cut Tape ¥257.5 ¥254.1 ¥232.5 ¥229.2 Reel ¥201	Min.: 1 Mult.: 1 : 5,000	Buck	1 Output	270 kHz to 800 kHz	85 %		600 mV to 30 V		- 40 C	+ 125 C	SMD/SMT	VQFN-16		Reel, Cut Tape