MPQ4571 Synchronous Step-Down Converters

Monolithic Power Systems (MPS) MPQ4571 Synchronous Step-Down Converters achieve up to 1A of continuous output current with peak current control for superior transient response. The wide 4.5V to 60V input voltage range accommodates step-down applications in automotive input environments, while the 2μA shutdown mode quiescent current is ideal for battery-powered applications. The MPQ4571 series offers 250mΩ/45mΩ internal power MOSFETs, 40µA quiescent current, built-in soft start, enable control, and power good indications. The high-duty cycle and low-dropout mode are supplied for automotive cold crank conditions. MPS MPQ4571 Synchronous Step-Down Converters are ideal for automotive infotainment, lamps, LEDs, and industrial power systems, and the QFN-12 (2.5mm x 3mm) package provides a compact solution.

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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 Current
Number of Outputs
Quiescent Current
Switching Frequency
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
750In Stock
5,000Expected 25/2/2028
Cut Tape
HK$31.65
HK$23.92
HK$21.95
HK$19.81
View
Reel
HK$16.77
Min.: 1
Mult.: 1
: 5,000
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz - 40 C + 150 C AEC-Q100 Reel, Cut Tape
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
5In Stock
Cut Tape
HK$34.52
HK$26.14
HK$24.00
HK$21.70
Reel
HK$19.89
View
MouseReel Available
Min.: 1
Mult.: 1
: 500
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz AEC-Q100 Reel, Cut Tape, MouseReel
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
850Expected 30/11/2027
Cut Tape
HK$39.29
HK$32.39
HK$27.87
HK$25.40
HK$24.17
Reel
HK$22.19
MouseReel Available
Min.: 1
Mult.: 1
: 500
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz AEC-Q100 Reel, Cut Tape, MouseReel
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
5,000Expected 4/8/2027
Cut Tape
HK$34.77
HK$26.22
HK$24.08
HK$21.78
View
Reel
HK$18.82
Min.: 1
Mult.: 1
: 5,000
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz - 40 C + 150 C AEC-Q100 Reel, Cut Tape
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
Non-Stocked Lead-Time 71 Weeks
Reel
HK$17.92
Min.: 500
Mult.: 500
: 500
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz Reel
Monolithic Power Systems (MPS) Switching Voltage Regulators High-Efficiency, 1A, 60V Fully Integrated Synchronous Buck Converter
Datasheet
Non-Stocked Lead-Time 64 Weeks
Reel
HK$14.96
Min.: 5,000
Mult.: 5,000
: 5,000
SMD/SMT QFN-12 Buck 1 A 1 Output 40 uA 2.2 MHz - 40 C + 150 C Reel