Low

LT4356HMS-1#TRPBF - 

SURGE STOPPER, 80VIN, -60V PROT, 10MSOP

LT4356HMS-1#TRPBF - SURGE STOPPER, 80VIN, -60V PROT, 10MSOP

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

Manufacturer Part No:
LT4356HMS-1#TRPBF
Order Code:
2115914RL
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The LT4356HMS-1#TRPBF is a Surge Stopper protects loads from high voltage transients. It regulates the output during an overvoltage event, such as load dump in automobiles, by controlling the gate of an external N-channel MOSFET. The output is limited to a safe value thereby allowing the loads to continue functioning. The LT4356 also monitors the voltage drop between the VCC and SNS pins to protect against over-current faults. An internal amplifier limits the current sense voltage to 50mV. In either fault condition, a timer is started inversely proportional to MOSFET stress. If the timer expires, the FLT pin pulls low to warn of an impending power down. If the condition persists, the MOSFET is turned off. After a cool down period, the GATE pin pulls up turning on the MOSFET again. The auxiliary amplifier may be used as a voltage detection comparator or as a linear regulator controller driving an external PNP pass transistor.
  • Stops high voltage surges
  • Adjustable output clamp voltage
  • Over-current protection
  • Reverse input protection to -60V
  • Low 7µA shutdown current
  • Adjustable fault timer
  • Controls N-channel MOSFET
  • Shutdown pin withstands -60 to 100V
  • Fault output indication
  • Auxiliary amplifier for level detection comparator or linear regulator controller

Applications

Automotive, Avionics, Power Management, Safety

Product Information

:
Automotive / Avionic Surge Protection, Battery Powered Systems, Hot Swap / Live Insertion
:
80V
:
4V
:
80V
:
MSOP
:
10Pins
:
-40°C
:
125°C
:
Each
:
-
:
Yes
:
MSL 1 - Unlimited
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