ST1PS01 Synchronous Step-Down Converter

STMicroelectronics ST1PS01 Synchronous Step-Down Converter is a nano-quiescent miniaturized synchronous step-down converter. This device is able to provide up to 400mA output current with an input voltage ranging from 1.8V to 5.5V. This converter is specifically designed for applications where high efficiency, PCB size, and thickness are the key factors. The output voltage can be set using two digital control inputs, a VOUT from 1.8V to 3.3V can be dynamically selected. Thanks to the enhanced PCC (peak current control) the STMicroelectronics ST1PS01 Synchronous Step-Down Converter reaches very high-efficiency conversion using just a 2.2µH inductor and two small capacitors. Advanced design circuitry is implemented to minimize the quiescent current.

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Description Datasheet Availability Pricing (CAD) 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
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
1,649In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 1.9 V, 2 V, 2.1 V, 2.8 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
2,077In Stock
5,000Expected 2026-07-15
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 1.8 V, 2.7 V, 3 V, 3.3 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel

STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
551In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT Buck 1.1 V, 1.2 V, 1.5 V, 1.7 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
170In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 1 V, 1.2 V, 1.3 V, 1.5 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
964In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 1.05 V, 1.25 V, 1.35 V, 1.55 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
996In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 625 mV, 700 mV, 900 mV, 1.05 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
2In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 1.8 V, 2.3 V, 2.5 V, 2.8 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel
STMicroelectronics Switching Voltage Regulators 400 mA nano-quiescent synchronous step-down converter with digital voltage selec
Datasheet
Non-Stocked Lead-Time 28 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SMD/SMT FlipChip-8 Buck 730 mV, 800 mV, 900 mV, 1 V 400 mA 1 Output 500 nA 2 MHz - 40 C + 85 C ST1PS01 Reel, Cut Tape, MouseReel