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LT4256-1CS8#PBF - 

Hot Swap Controller, 10.8V to 80V supply, SOIC-8

LT4256-1CS8#PBF - Hot Swap Controller, 10.8V to 80V supply, SOIC-8

Image is for illustrative purposes only. Please refer to product description.

Manufacturer Part No:
LT4256-1CS8#PBF
Order Code:
2295306
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT4256-1CS8#PBF is a positive high voltage Hot Swap Controller that allows a board to be safely inserted and removed from a live backplane. An internal driver drives an external N-channel MOSFET switch to control supply voltages ranging from 10.8 to 80V. It features an adjustable analog fold back current limit. If the supply remains in current limit for more than a programmable time, the N-channel MOSFET shuts off and the PWRGD output asserts low. The LT4256-1 latches off until the UV pin is cycled low. The PWRGD output indicates when the output voltage rises above a programmed level. An external resistor string from VCC provides programmable undervoltage protection.
  • Allows safe board insertion and removal from a live backplane
  • Foldback current limiting
  • Overcurrent fault detection
  • Drives an external N-channel MOSFET
  • Programmable supply voltage power-up rate
  • Undervoltage protection latch off operation mode
  • Latch off operation mode

Applications

Industrial, Power Management, Communications & Networking, Security

Product Information

:
48V Telecom Systems, Electronic Circuit Breaker / Power Bussing, Hot Board Insertion
:
48V
:
10.8V
:
80V
:
SOIC
:
8Pins
:
0°C
:
70°C
:
-
:
Yes
:
MSL 1 - Unlimited
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