ST1PS02 Datasheet | STMicroelectronics

400 m A nano-quiescent synchronous step-down converter with digital voltage selection, Power Good and AUX switch Product status link ST1PS02 Features - 500 n A input quiescent current at VIN = 3.6 V (not switching) - 92% typical efficiency at 10 m A load (VIN = 3.6 V, VOUT = 2.5 V) - 100% duty cycle - 1.8 V to 5.5 V input operating range - Undervoltage lockout: 1.57 V (VIN falling, typ.) - Up to 400 m A output current capability - Low power control operation for the best efficiency - Embedded soft-start circuit - Tiny external ponents: L = 2.2 µH typ. - Settable inductor current limitation - Selectable output voltages: 1.0 V to 3.3 V - Output voltage Power Good - ±1.5% output voltage accuracy (VOUT, TA = 25 °C) - Dynamic output voltage selection (D0, D1 and D2) - Auxiliary load switch Vout2 (AUX control input) - Available in TQFN12 package Applications - Wearable applications - Personal tracking monitors - Smart watches, sport bands - Energy harvesting, wireless sensors - Wearable and fitness accessories - Industrial sensors, portable low power devices - Single cell Li-Ion battery applications - Bluetooth® low energy - Zigbee Description...