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ADM1172

Analog Devices
Part Number ADM1172
Manufacturer Analog Devices
Description Hot Swap Controller
Published Jan 5, 2007
Detailed Description Data Sheet 2.7 V to 16.5 V Hot Swap Controller with Power-Fail Comparator ADM1172 FEATURES Controls supply rails from ...
Datasheet PDF File ADM1172 PDF File

ADM1172
ADM1172

Overview
Data Sheet 2.
7 V to 16.
5 V Hot Swap Controller with Power-Fail Comparator ADM1172 FEATURES Controls supply rails from 2.
7 V to 16.
5 V Allows protected board removal and insertion to a live backplane External sense resistor provides adjustable analog current limit with circuit breaker Peak fault current limited with fast response Charge pumped gate drive for external N-FET switch Power-fail comparator Automatic retry or latch-off during current fault Undervoltage lockout 8-lead, TSOT package APPLICATIONS Hot swap board insertion: line cards, raid systems Industrial high-side switches/circuit breakers Electronic circuit breakers GENERAL DESCRIPTION The ADM1172 is a hot swap controller that safely enables a printed circuit board to be removed and inserted to a live backplane.
This is achieved using an external N-channel power MOSFET with a current control loop that monitors the load current through a sense resistor.
An internal charge pump is used to enhance the gate of the N-channel F...


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