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MAX891L - 2A / Current-Limited / High-Side P-Channel Switch

Description

The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications.

These switches operate with inputs from 2.7V to 5.5V, making them ideal for both 3V and 5V systems.

Features

  • o Ultra-Small µMAX Package.
  • Only 1.11mm High o 2.7V to 5.5V Input Range o Programmable Current Limit o Low 13µA Quiescent Current at VIN = 3.3V, 0.1µA Switch Off o Thermal Shutdown o FAULT Indicator Output o On-Resistances: 0.12Ω (MAX891L) 0.25Ω (MAX892L) MAX891L/MAX892L ________________________.

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Datasheet preview – MAX891L

Datasheet Details

Part number MAX891L
Manufacturer Maxim
File Size 108.29 KB
Description 2A / Current-Limited / High-Side P-Channel Switch
Datasheet download datasheet MAX891L Datasheet
Additional preview pages of the MAX891L datasheet.

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Full PDF Text Transcription

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19-1223; Rev 0; 4/97 Current-Limited, High-Side P-Channel Switches with Thermal Shutdown _______________General Description The MAX891L/MAX892L smart, low-voltage, P-channel, MOSFET power switches are intended for high-side load-switching applications. These switches operate with inputs from 2.7V to 5.5V, making them ideal for both 3V and 5V systems. Internal current-limiting circuitry protects the input supply against overload. Thermaloverload protection limits power dissipation and junction temperatures. The MAX891L/MAX892L’s maximum current limits are 500mA and 250mA, respectively. The current limit through the switch is programmed with a resistor from SET to ground. When the switch is on, the quiescent supply current is a low 13µA.
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