 GENERAL DESCRIPTION

The AX6646/A 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 SOT23 Package

- RoHS and Halogen free compliance.