MIC2039 Datasheet Adjustable Current Limit Power Switch

Manufacturer: Micrel Semiconductor

MIC2039 adjustable current limit power switch by Micrel Semiconductor - Datasheet Preview

Datasheet Details

Part number	MIC2039
Manufacturer	Micrel Semiconductor
File Size	1.20 MB
Description	Adjustable Current Limit Power Switch
Download	MIC2039 Download (PDF)

General Description

The MIC2039 is a high-side MOSFET power distribution switch providing increased system reliability by using 5% current-limit accuracy.

The MIC2039 has an operating input voltage range from 2.5V to 5.5V, is internally current limited, and has thermal shutdown to protect the device and system.

The MIC2039 is offered with either active-high or active-low logic level enable input controls.

Overview

MIC2039 High-Accuracy, High-Side, Adjustable Current Limit Power Switch.

Key Features

±5% current limit accuracy.
Input supply range from 2.5V to 5.5V.
Low quiescent current: 100µA typical (switch ON).
75mΩ typical RDS(ON) at 5.0V.
0.2A to 2.5A adjustable output current.
Kickstart.
momentary secondary current-limit threshold (120ms period).
Soft-start functionality.
Undervoltage lockout (UVLO).
Fast 10µs short-circuit response time (non-Kickstart options).
Fault status output flag.

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