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MP1477/77H Step-Down Converters

Monolithic Power Systems (MPS) MP1477/77H Step-Down Converters are designed to achieve 3A continuous output current with excellent load and line regulation. These Monolithic Power Systems MP1477/77H converters feature forced PWM mode operation, high-efficiency synchronous mode operation, 200µA low quiescent current (I_Q), and internal Soft Start (SS). The MP1477/77H step-down converters use high-efficiency synchronous mode operation for higher efficiency over the output current-load range. These MP1477/77H converters consist of Constant-on-Time (COT) control operation for easy loop design, fast transient response, and tight output regulation.

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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	Quiescent Current	Switching Frequency	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
	Switching Voltage Regulators 3A, 4.2-17V, 1.2MHz, High-Efficiency, Synchronous, Step-Down Converter In SOT 563 MP1477HGTF-P Monolithic Power Systems (MPS) 1: £1.16 20,963In Stock	Mfr. Part No. MP1477HGTF-P Mouser Part No 946-MP1477HGTF-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators 3A, 4.2-17V, 1.2MHz, High-Efficiency, Synchronous, Step-Down Converter In SOT 563 Learn More about Monolithic Power Systems (MPS) mps mp1477 mp1477h step down conv	Datasheet	20,963In Stock	Cut Tape £1.16 £0.856 £0.773 £0.684 Reel £0.545 View £0.642 £0.54 £0.53	Min.: 1 Mult.: 1 : 500			SMD/SMT	SOT-563-6	Buck	800 mV to 10 V	3 A	1 Output	200 uA	1.2 MHz	- 40 C	+ 125 C	MP1477H	Reel, Cut Tape
	Switching Voltage Regulators 3A, 4.2-17V, 1.2MHz, High-Efficiency, Synchronous, Step-Down Converter In SOT 563 MP1477HGTF-Z Monolithic Power Systems (MPS) 1: £0.899 4,294In Stock 30,000On Order	Mfr. Part No. MP1477HGTF-Z Mouser Part No 946-MP1477HGTF-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators 3A, 4.2-17V, 1.2MHz, High-Efficiency, Synchronous, Step-Down Converter In SOT 563 Learn More about Monolithic Power Systems (MPS) mps mp1477 mp1477h step down conv	Datasheet	4,294In Stock 30,000On Order On Order Ship Dates Mfr. No: MP1477HGTF-Z Stock: 4,294 Can Dispatch Immediately On Order: 10,000 Expected 11/10/2027 20,000 Expected 08/03/2028 Factory Lead Time: 64 Weeks	Cut Tape £0.899 £0.647 £0.584 £0.514 View Reel £0.413 £0.484 £0.472 £0.446 £0.413 MouseReel Available	Min.: 1 Mult.: 1 : 5,000			SMD/SMT	SOT-563-6	Buck	800 mV to 10 V	3 A	1 Output	200 uA	1.2 MHz	- 40 C	+ 125 C	MP1477H	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators High-Efficiency, 3A, 18V, 800kHz Synchronous, Step-Down Converter in SOT563 MP1477GTF-P Monolithic Power Systems (MPS) 1: £1.16 1,716In Stock 3,500Expected 18/06/2027	Mfr. Part No. MP1477GTF-P Mouser Part No 946-MP1477GTF-P	Monolithic Power Systems (MPS)	Switching Voltage Regulators High-Efficiency, 3A, 18V, 800kHz Synchronous, Step-Down Converter in SOT563 Learn More about Monolithic Power Systems (MPS) mps mp1477 mp1477h step down conv	Datasheet	1,716In Stock 3,500Expected 18/06/2027	Cut Tape £1.16 £0.856 £0.773 £0.736 Reel £0.625 £0.568 MouseReel Available	Min.: 1 Mult.: 1 : 500			SMD/SMT	SOT-563-6	Buck	800 mV to 10 V	3 A	1 Output	200 uA	800 kHz	- 40 C	+ 125 C	MP1477	Reel, Cut Tape, MouseReel
	Switching Voltage Regulators High-Efficiency, 3A, 18V, 800kHz Synchronous, Step-Down Converter in SOT563 MP1477GTF-Z Monolithic Power Systems (MPS) 1: £0.882 19,159On Order	Mfr. Part No. MP1477GTF-Z Mouser Part No 946-MP1477GTF-Z	Monolithic Power Systems (MPS)	Switching Voltage Regulators High-Efficiency, 3A, 18V, 800kHz Synchronous, Step-Down Converter in SOT563 Learn More about Monolithic Power Systems (MPS) mps mp1477 mp1477h step down conv	Datasheet	19,159On Order On Order Ship Dates Mfr. No: MP1477GTF-Z Stock: 0 On Order: 9,159 Expected 21/12/2026 10,000 Expected 01/01/2027 Factory Lead Time: 64 Weeks	Cut Tape £0.882 £0.636 £0.573 £0.504 View Reel £0.406 £0.471 £0.451 £0.437 £0.406 MouseReel Available	Min.: 1 Mult.: 1 : 5,000			SMD/SMT	SOT-563-6	Buck	800 mV to 10 V	3 A	1 Output	200 uA	800 kHz	- 40 C	+ 125 C	MP1477	Reel, Cut Tape, MouseReel