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The SY5112 is a high efficiency step down converter with ultra low quiescent current of typical 200nA.
The device is typically paired with a 2.2μH inductor and two 10μF output capacitors, providing a typical output current of 600mA.
The device uses COT technology with a typical switching frequency of 1.2MHz. In power save mode, the light load efficiency can be extended down to 100μA load current,
and the efficiency can reach 90%. After start-up, the device operates at an input voltage as low as 2.15V, so it can be powered directly by a single Li-MnO2 button battery.
The SY5112 default provides eight programmable output voltages, which can be selected in the 1.2V to 3.3V range with three selection pins.
Input voltage range: 2.15V to 6V
Output current 600mA
Ultra low quiescent current 200nA
100μA output current efficiency up to 90%
Power Save Mode Operation
Selectable output voltage - 8 voltage options （1.2V to 3.3V）or （1.3V to 3.1V）
Output Voltage Discharge
Low output voltage ripple
Automatic Transition Into no Ripple 100% Mode
Full solution size ＜10mm2
WLCSP-8 and DFN2x2-8L package
Wearable portable devices
Fitness tracker
Smart watches
Health monitor
Low power Bluetooth , RF4CE, Zigbee
High efficiency, ultra-low power consumption applications
Energy harvesting
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地址：深圳市南山區(qū)科苑南路3176號(hào)彩訊科技大廈19樓
SY5112