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MAX890L - Current-Limited, High-Side P-Channel Switch

Description

The MAX890L smart, low-voltage, P-channel, MOSFET power switch is intended for high-side load-switching applications.

This switch operates with inputs from 2.7V to 5.5V, making it ideal for both 3V and 5V systems.

Internal current-limiting circuitry protects the input supply against overload.

Features

  • o 2.7V to 5.5V Input Range o Programmable Current Limit o Low Quiescent Current 10µA (typ) at VIN = 3.3V 0.1µA (typ) with Switch Off o Thermal Shutdown o FAULT Indicator Output o 0.09Ω (typ) On-Resistance MAX890L ________________________.

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Datasheet preview – MAX890L

Datasheet Details

Part number MAX890L
Manufacturer Maxim
File Size 381.27 KB
Description Current-Limited, High-Side P-Channel Switch
Datasheet download datasheet MAX890L Datasheet
Additional preview pages of the MAX890L datasheet.

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Full PDF Text Transcription

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19-1146; Rev 2; 11/98 1A, Current-Limited, High-Side P-Channel Switch with Thermal Shutdown General Description The MAX890L smart, low-voltage, P-channel, MOSFET power switch is intended for high-side load-switching applications. This switch operates with inputs from 2.7V to 5.5V, making it ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermal-overload protection limits power dissipation and junction temperatures. The MAX890L’s maximum current limit is 1A. The current limit through the switch is programmed with a resistor from SET to ground. The quiescent supply current is a low 10µA. When the switch is off, the supply current decreases to 0.1µA. The MAX890L is available in an 8-pin SO package.
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