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LTC4420 - 18V Dual Input Micropower PowerPath Prioritizer

Datasheet Summary

Description

The LTC®4420 is a dual input monolithic PowerPath™ prioritizer, with low operating current, that provides backup switchover for keeping critical circuitry alive during brownout and power loss conditions.

Features

  • n Selects Highest Priority Valid Supply from Two Inputs n Wide 1.8V to 18V Operating Range n Internal Dual 2Ω, 0.5A Switches n Low 3.6µA Operating Current n Low 320nA V2 Current When V1 Connected to OUT n Blocks Reverse and Cross Conduction Currents n Reverse Supply Protection to.
  • 15V n Built-In V2 Test with Optional V2 Disconnect n V2 Freshness Seal/Ship Mode n ±1.5% Accurate Adjustable Switchover Threshold n ±2.3% Accurate V2 Monitor and Comparator n Overcurrent and Thermal Protection.

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Datasheet preview – LTC4420

Datasheet Details

Part number LTC4420
Manufacturer Linear Technology
File Size 720.26 KB
Description 18V Dual Input Micropower PowerPath Prioritizer
Datasheet download datasheet LTC4420 Datasheet
Additional preview pages of the LTC4420 datasheet.

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Full PDF Text Transcription

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LTC4420 18V Dual Input Micropower PowerPath Prioritizer with Backup Supply Monitoring FEATURES n Selects Highest Priority Valid Supply from Two Inputs n Wide 1.8V to 18V Operating Range n Internal Dual 2Ω, 0.5A Switches n Low 3.6µA Operating Current n Low 320nA V2 Current When V1 Connected to OUT n Blocks Reverse and Cross Conduction Currents n Reverse Supply Protection to –15V n Built-In V2 Test with Optional V2 Disconnect n V2 Freshness Seal/Ship Mode n ±1.5% Accurate Adjustable Switchover Threshold n ±2.
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