Power Switch Hi Side 3A 4-Pin MLF T/R

The MIC94042 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 28m? 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. The MIC94042 provide a slew rate controlled softstart turn-on of 100µs. The soft-start feature is provided to prevent an in-rush current event from pulling down the input supply voltage. An active pull-down on the enable input keeps the MIC94042 in a default OFF state until the enable pin is pulled above 1.2V. Internal level shift circuitry allows low voltage logic signals to switch higher supply voltages. The enable voltage can be as high as 5.5V and is not limited by the input voltage. The MIC94042 operating voltage range makes them ideal for Lithium ion and NiMH/NiCad/Alkaline battery powered systems, as well as non-battery powered applications. The devices provide low quiescent current and low shutdown current to maximize battery life. 28m? 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 Ultra fast turn off time Junction operating temperature from -40°C to +125°C