General Description

The MIC5310 is a tiny Dual Ultra Low Dropout (ULDO?) linear regulator ideally suited for portable electronics due to its high power supply ripple rejection (PSRR) and ultra low output noise. The MIC5310 integrates two high-performance 150mA ULDOs into a tiny 2mm x 2mm leadless MLF? package, which provides exceptional thermal package characteristics.

特性 Features

? 2.3V to 5.5V input voltage range

? Ultra-low dropout voltage ULDO? 35mV @ 150mA

? High PSRR - >70dB @ 1KHz

? Ultra-low output noise: 30μVRMS

? ±2 initial output accuracy

? Tiny 8-pin 2mm x 2mm MLF? leadless package

? Excellent Load/Line transient response

? Fast start up time: 30μs

? μCap stable with 1μF ceramic capacitor

? Thermal shutdown protection

? Low quiescent current: 75μA per output

? Current limit protection

Applications

? Mobile phones

? PDAs

? GPS receivers

? Portable electronics

? Portable media players

? Digital still and video cameras