The MIC94041YFL TR is a high-side Load Switch designed to operate from 1.7 to 5.5V input voltage. The load switch pass element is an internal 28mR RDSON P-channel MOSFET which enables the device to support up to 3A of continuous current. The soft-start feature is provided to prevent an in-rush current event from pulling down the input supply voltage. The MIC94041 feature an active load discharge circuit which switches in a 200R load when the switch is disabled to automatically discharge a capacitive load. An active pull-down on the enable input keeps the MIC94041 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 MIC94041 operating voltage range makes them ideal for Lithium ion and NiMH/NiCad/Alkaline battery powered systems, as well as non-battery powered applications.
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