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LT1641-2IS8#PBF - 

Hot Swap Controller, 9V to 80V supply, SOIC-8

LINEAR TECHNOLOGY LT1641-2IS8#PBF

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Manufacturer Part No:
LT1641-2IS8#PBF
Order Code:
2252786
Technical Datasheet:
(EN)
See all Technical Docs

Product Information

:
SOIC
:
-40°C
:
85°C
:
8Pins
:
-
:
-
:
9V
:
Each
:
80V
:
Electronic Circuit Breaker, Hot Board Insertion, Industrial High Side Switch / Circuit Breaker
:
MSL 1 - Unlimited
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Product Overview

The LT1641-2IS8#PBF is a 8-pin Hot Swap Controller that allows a board to be safely inserted and removed from a live backplane. Using an external N-channel pass transistor, the board supply voltage can be ramped up at a programmable rate. A high side switch driver controls an N-channel gate for supply voltages ranging from 9 to 80V. The chips feature a programmable analog fold back current limit circuit. If the chips remain in current limit for more than a programmable time, the N-channel pass transistor is set to automatically restart after a time-out delay. The PWRGD output indicates when the output voltage, sensed by the FB pin, is within tolerance. The ON pin provides programmable undervoltage lockout.
  • Allows safe board insertion and removal from a live backplane
  • High side drive for an external N-channel
  • Automatic retry
  • User programmable supply voltage power-up rate
  • Overvoltage protection

Applications

Industrial, Security, Safety

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