Datasheet STMicroelectronics ST1PS01EJR

ST1PS01
Datasheet 400 mA nano-quiescent synchronous step-down converter with digital voltage
selection and Power Good Features
• 500 nA input quiescent current at VIN=3.6 V (not switching) • 94% typical efficiency at 1 mA load (VIN=3.6 V, VOUT=3.3 V) •
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• 100% duty cycle
1.8 V to 5.5 V input operating range
Undervoltage lockout: 1.57 V (VIN falling, typ.) •
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• Up to 400 mA output current capability
Low power control operation for the best efficiency
Embedded soft-start circuit
Tiny external components: L=2.2 µH typ.
Selectable output voltages: 1.8 V to 3.3 V
Output voltage Power Good
±1.5% output voltage accuracy (VOUT, TA=25 °C) •
• Dynamic output voltage selection (D0, D1)
Available in Flip-Chip package Applications Product status link
ST1PS01 …