General Description

The MIC5318 is a high performance, single output ultra low drop-out (ULDO™) regulator, offering low total output noise in an ultra-small Thin MLF® package. The MIC5318 is capable of sourcing 300mA output current and offers high PSRR and low output noise, making it an ideal solution for RF applications.

Features

• Ultra low dropout voltage 110mV @ 300mA

• Input voltage range: 2.3V to 6.0V

• 300mA guaranteed output current

• Stable with ceramic output capacitors

• Ultra low output noise – 30µVrms

• Low quiescent current – 85µA total

• High PSRR > 70dB@1kHz

• Less than 35µs turn-on time

• High output accuracy

– ± 2 initial accuracy

– ± 3 over temperature

• Thermal shutdown and current limit protection

• Tiny 6-pin 1.6mm x 1.6mm Thin MLF® package

• Thin SOT23-5 package

Applications

• Mobile phones

• PDAs

• GPS receivers

• Portable electronics

• Digital still and video cameras