Voltage Regulators - Switching Regulators – Mouser United Kingdom

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microBUCK® Integrated Voltage Regulators

Vishay microBUCK® Integrated Voltage Regulators are integrated with high-side and low-side power MOSFETs. These regulators feature architecture that delivers ultrafast transient response with minimum output capacitance and tight ripple regulation at light load. The series is 5mm x 5mm pin-compatible, lead free, and available in power enhanced MLP55-27L package. Protections include overcurrent (OCP), output overvoltage (OVP), short circuit (SCP), output undervoltage (UVP), and thermal shutdown (OTP). Vishay microBUCK® Integrated Voltage Regulators accommodate a variety of applications, including computing, consumer electronics, telecom, and industrial.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Switching Voltage Regulators 4.5-55V 5A microBUCK 100kHz-2MHz Vishay Semiconductors SIC473ED-T1-GE3 SIC473ED-T1-GE3 Vishay Semiconductors 1: £2.47 5,486In Stock	Mfr. Part No. SIC473ED-T1-GE3 Mouser Part No 78-SIC473ED-T1-GE3	Vishay Semiconductors	Switching Voltage Regulators 4.5-55V 5A microBUCK 100kHz-2MHz Learn More about Vishay Semiconductors vishay siliconix sic471 sic472 sic473 sic474 converters	Datasheet	5,486In Stock	Cut Tape £2.47 £1.85 £1.70 £1.53 View Reel £1.41 £1.45 £1.43 £1.41 £1.41 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP55-27	Buck	Adjustable	5 A	1 Output	100 kHz to 2 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators microBUCK 4.5-55V; 12A SIC476ED-T1-GE3 Vishay 1: £4.03 Lead-Time 15 Weeks	Mfr. Part No. SIC476ED-T1-GE3 Mouser Part No 78-SIC476ED-T1-GE3	Vishay	Switching Voltage Regulators microBUCK 4.5-55V; 12A Learn More about Vishay siliconix sic476 sic477 sic478 sic479 converters	Datasheet	Lead-Time 15 Weeks	Cut Tape £4.03 £3.08 £2.84 £2.58 View Reel £2.37 £2.45 £2.41 £2.39 £2.37 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP55-27	Buck	800 mV to 50.6 V	12 A	1 Output	100 kHz to 2 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators microBUCK 4.5-55V; 8A SIC477ED-T1-GE3 Vishay 1: £3.59 736In Stock 3,000Expected 28/10/2026	Mfr. Part No. SIC477ED-T1-GE3 Mouser Part No 78-SIC477ED-T1-GE3	Vishay	Switching Voltage Regulators microBUCK 4.5-55V; 8A Learn More about Vishay siliconix sic476 sic477 sic478 sic479 converters	Datasheet	736In Stock 3,000Expected 28/10/2026	Cut Tape £3.59 £2.73 £2.51 £2.28 View Reel £2.07 £2.17 £2.07 £2.07 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP55-27	Buck	800 mV to 50.6 V	8 A	1 Output	100 kHz to 2 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators microBUCK 4.5-55V; 5A SIC478ED-T1-GE3 Vishay 1: £3.13 5,174In Stock	Mfr. Part No. SIC478ED-T1-GE3 Mouser Part No 78-SIC478ED-T1-GE3	Vishay	Switching Voltage Regulators microBUCK 4.5-55V; 5A Learn More about Vishay siliconix sic476 sic477 sic478 sic479 converters	Datasheet	5,174In Stock	Cut Tape £3.13 £2.37 £2.18 £1.97 View Reel £1.77 £1.88 £1.87 £1.80 £1.77	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP55-27	Buck	800 mV to 50.6 V	5 A	1 Output	100 kHz to 2 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape
	Switching Voltage Regulators 3-28V 12A 50uA microBUCK MLP44-24 SIC437AED-T1-GE3 Vishay / Siliconix 1: £2.08 33In Stock 6,000Expected 09/12/2026	Mfr. Part No. SIC437AED-T1-GE3 Mouser Part No 78-SIC437AED-T1-GE3	Vishay / Siliconix	Switching Voltage Regulators 3-28V 12A 50uA microBUCK MLP44-24 Learn More about Vishay / Siliconix vishay microbuck regulators	Datasheet	33In Stock 6,000Expected 09/12/2026	Cut Tape £2.08 £1.55 £1.42 £1.27 Reel £1.08 View £1.20 £1.18 £1.15 £1.06 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP44-24	Buck	600 mV to 25.2 V	12 A	1 Output	300 kHz to 1 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators 4.5 - 28V 8A MICROBUCK SIC438CED-T1-GE3 Vishay / Siliconix 1: £1.90 Non-Stocked Lead-Time 15 Weeks	Mfr. Part No. SIC438CED-T1-GE3 Mouser Part No 78-SIC438CED-T1-GE3	Vishay / Siliconix	Switching Voltage Regulators 4.5 - 28V 8A MICROBUCK Learn More about Vishay / Siliconix vishay sic4xx	Datasheet	Non-Stocked Lead-Time 15 Weeks	Cut Tape £1.90 £1.41 £1.28 £1.15 Reel £0.969 View £1.09 £1.05 £1.01 £0.952 MouseReel Available	Min.: 1 Mult.: 1 : 3,000			SMD/SMT	MLP44-24	Buck	600 mV to 25.2 V	8 A	1 Output	1 MHz	- 40 C	+ 125 C	SIC	Reel, Cut Tape, MouseReel