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MIC94044 - 3A High Side Load Switch

Datasheet Summary

Description

The MIC94044 and MIC94045 are 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.

Features

  • in a tiny 1.2mm x 1.2mm 4 pin MLF® package. The MIC94044/5 provides a slew rate controlled soft-start turn-on of 1ms (typical) to prevent an in-rush current event from pulling down the input supply voltage. The MIC94045 features an active load discharge circuit which switches in a 200Ω load when the switch is disabled to automatically discharge a capacitive load. Internal level shift circuitry allows low voltage logic signals to switch higher supply voltages. The enable voltage can be as high as.

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Datasheet preview – MIC94044

Datasheet Details

Part number MIC94044
Manufacturer Micrel Semiconductor
File Size 422.04 KB
Description 3A High Side Load Switch
Datasheet download datasheet MIC94044 Datasheet
Additional preview pages of the MIC94044 datasheet.

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Full PDF Text Transcription

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MIC94044/5 28mΩ RDSON 3A High Side Load Switch in 1.2mm x 1.2mm MLF® Package General Description The MIC94044 and MIC94045 are 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. The MIC94044/5 provides a slew rate controlled soft-start turn-on of 1ms (typical) to prevent an in-rush current event from pulling down the input supply voltage. The MIC94045 features an active load discharge circuit which switches in a 200Ω load when the switch is disabled to automatically discharge a capacitive load.
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