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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 (HKD) 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: HK$12.74 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 HK$12.74 HK$9.37 HK$8.47 HK$7.48 Reel HK$5.97 View HK$7.03 HK$5.92 HK$5.80	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: HK$9.86 4,426In 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	4,426In Stock 30,000On Order On Order Ship Dates Mfr. No: MP1477HGTF-Z Stock: 4,426 Can Dispatch Immediately On Order: 10,000 Expected 11/10/2027 20,000 Expected 14/2/2028 Factory Lead Time: 64 Weeks	Cut Tape HK$9.86 HK$7.09 HK$6.40 HK$5.63 View Reel HK$4.52 HK$5.29 HK$5.17 HK$4.88 HK$4.52 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: HK$12.74 1,355In Stock 3,500On Order	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	1,355In Stock 3,500On Order	Cut Tape HK$12.74 HK$9.37 HK$8.47 HK$8.06 Reel HK$6.84 HK$6.22 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: HK$9.62 19,659On 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	19,659On Order On Order Ship Dates Mfr. No: MP1477GTF-Z Stock: 0 On Order: 9,659 Expected 21/12/2026 10,000 Expected 1/1/2027 Factory Lead Time: 64 Weeks	Cut Tape HK$9.62 HK$6.97 HK$6.27 HK$5.52 View Reel HK$4.45 HK$5.16 HK$4.94 HK$4.78 HK$4.45 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