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Evaluation board based on ST1PS01AJR 400 mA nano-quiescent synchronous step-down converter

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Parameter NameParameter Value
Core ProductST1PS01AJR
Packing TypeNot Applicable
RoHs compliantEcopack2
Package NameCARD

The STEVAL-1PS01AJR evaluation board features the ST1PS01 miniaturized, nano-quiescent, synchronous step-down converter designed for applications where high efficiency, PCB size and thickness are the key factors. The converter can provide up to 400 mA output current with a 1.8 V to 5.5 V input voltage range. The output voltage can be dynamically adjusted from 1.9 V to 2.8 V using two digital control inputs.

Thanks to the enhanced peak current control (PCC), the ST1PS01 can achieve very high efficiency conversion using only a 2.2 µH inductor and two small capacitors. Furthermore, the converter's advanced design circuitry reduces quiescent current to a minimum.

Key features
  • 1.8 V to 5.5 V input operating range
  • Up to 400 mA output current capability
  • Tiny external components: L=2.2 µH typ.
  • Selectable output voltages: 1.9 V to 2.8 V
  • Output voltage Power Good
  • Dynamic output voltage selection (D0, D1)
  • Suitable for the following 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
  • WEEE and RoHS compliant (hardware only)
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