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发布者:微桥 发布时间:2011-8-25 阅读:3420次    关键字: AX6646
AX6646-300mA LDO Regulator with Enable


AX6646-300mA LDO Regulator with Enable DataSheet

GENERAL DESCRIPTION
    The AX6646 is a 300mA, low quiescent, high PSRR, low noise and low dropout linear regulator. The Device includes pass element, error amplifier, band-gap, current limit and thermal shutdown circuitry. The characteristics of low dropout voltage and less quiescent current make it good for some critical current application, for example, some battery powered devices. The typical quiescent current is approximately 40μA. In the shutdown mode, the maximum supply current is less than 1uA. The Output voltage is adjustable from 0.8V to 5.5V. Built-in current-limit, Short current protection and thermal-shutdown functions prevent any fault condition from IC damage.

FEATURES
- Input voltage range is up to 6V
- 200mV Dropout at 150mA output current
- Guaranteed 300mA output current
- Low quiescent current 40μA (typ.)
- Adjustable Output voltage form 0.8V to 5.5V
- Maximum shutdown current <1uA
- Fast transient response
- Current limit and thermal shutdown protection
- Short circuit current fold-back
- Available in the 5-Pin Pb-Free TSOT23 Package

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