General Description

The MIC5312 is a high performance, dual µCap low dropout regulator with integrated power-on reset supervisor, offering ultra-low operating current and a second, even lower operating current mode, LowQ™ mode, reducing operating current by 75. Each regulator can source up to 300mA of output current maximum.

Features

• Input voltage range: 2.5V to 5.5V

• LowQ™ Mode

- 7µA total quiescent current

- 10mA output current capable LowQ™ mode

- Logic level control with external pin

• Stable with ceramic output capacitor

• 2 LDO Outputs – 300mA each

• Integrated Power-on Reset (POR) with adjustable delay time

• Tiny 3mm x 3mm MLF™-10 package

• Low dropout voltage of 60mV @ 150mA

• Ultra-low quiescent current of 28µA total in Full Current Mode

• High output accuracy

- ±1.0 initial accuracy

- ±2.0 over temperature

• Thermal Shutdown Protection

• Current Limit Protection

Applications

• Cellular/PCS phones

• Wireless modems

• PDAs

• MP3 Players