ST1PS01 Series

400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good

Catalog

400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good

Part	Package / Case	Synchronous Rectifier	Output Type	Function	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Input (Max) [Max]	Voltage - Output (Min/Fixed)	Current - Output	Frequency - Switching	Mounting Type	Voltage - Input (Min) [Min]	Topology	Number of Outputs	Supplier Device Package [y]	Supplier Device Package	Supplier Device Package [x]	Output Configuration
STMicroelectronics ST1PS01EJR	8-UFBGA FCBGA		1.81 mOhm	Step-Down	85 °C	-40 °C	5.5 V	1.8 V 2.7 V 3 V 3.3 V	400 mA	2 MHz	Surface Mount	1.8 V	Buck	1	1.41	8-FlipChip (1.11x1.41)	1.11	Positive

Catalog

400 mA nano-quiescent synchronous step-down converter with digital voltage selection and Power Good

Description

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 VOUTfrom 0.625 V to 3.3 V can be dynamically selected. Thanks to the enhanced PCC (peak current control) the ST1PS01 reaches very high efficiency conversion using just a 2.2 µH inductor and two small capacitors. Advanced design circuitry is implemented to minimize the quiescent current. The device is available in Flip-Chip package.