General Description

The MIC94040/1/2/3 is a family of high-side load switches designed to operate from 1.7V to 5.5V input voltage. The load switch pass element is an internal 28mΩ RDSON P-channel MOSFET which enables the device to support up to 3A of continuous current. Additionally, the load switch supports 1.5V logic level control and shutdown features in a tiny 1.2mm x 1.2mm 4 pin MLF® package.

Features

28mΩ RDSON

3A continuous operating current

1.2mm x 1.2mm space saving 4-pin MLF® package

1.7V to 5.5V input voltage range

Internal level shift for CMOS/TTL control logic

Ultra low quiescent current

Micro-power shutdown current

Soft-Start: MIC94042, MIC94043

Load discharge circuit: MIC94041, MIC94043

Ultra fast turn off time

Junction operating temperature from -40ºC to +125ºC

Applications

Cellular phones

Portable Navigation Devices (PND)

Personal Media Players (PMP)

Ultra Mobile PCs

Portable instrumentation

Other Portable applications

PDAs

Industrial and DataComm equipment