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发布者:微桥 发布时间:2010/1/21 阅读:7034次    关键字: AX7703A/B-Low Noise, Regulated Charge Pump
AX7703A/B-Low Noise, Regulated Charge Pump


AX7703/A/B-Low Noise,Regulated Charge Pump DataSheet

GENERAL DESCRIPTION
    The AX7703A/B is a Low noise charge pump DC/DC converter that produces a regulated 4.5V and 5V output. No external inductor is required for operation. Using three small capacitors, the AX7703A/B can deliver up to 100mA to the voltage regulated output. The AX7703A/B features very low quiescent current and high efficiency over a large portion of its load range, making this device ideal for battery-powered applications.
    AX7703A/B has over current protection, short circuit protection and thermal shutdown protection capability. Internal soft-start circuitry effectively reduces the in-rush current while start-up. The AX7703A/B is available in a SOT23-6 package.

FEATURES
- Input Voltage Range : 2.8V to VOUT
- Fixed 5V/4.5V±4% Output Voltage
- High Frequency 1MHz Operation
- Internal Soft Start Function
- Short Circuit and Thermal shutdown Protection
- ≤ 1μA Shutdown Current
- 6-pin, SOT-23 Pb-Free package

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