General Description

The MIC5305 is a high-performance, 150mA LDO regulator, offering extremely high PSRR and very low noise while consuming low ground current.

Features

• Ultra-low dropout voltage of 60mV @ 150mA

• Input voltage range: 2.25 to 5.5V

• Stable with ceramic output capacitor

• 150mA guaranteed output current

• Low output noise — 20µVrms

• Low quiescent current of 90µA total

• High PSRR, up to 85dB @1kHz

• Less than 30µs turn-on time w/CBYP = 0.01µF

• High output accuracy:

– ±1.0 initial accuracy

– ±2.0 over temperature

• Thermal shutdown protection

• Current limit protection

• Tiny 6-pin 2mm × 2mm MLF® package

• Ultra-Thin 6-pin 2mm × 2mm Thin MLF® package

• Thin SOT-23-5 package

Applications

• Cellular phones

• PDAs

• Fiber optic modules

• Portable electronics

• Notebook PCs

• Audio Codec power supplies