LTC1422 - Hot Swap Controller

A programmable electronic circuit breaker protects against shorts. The RESET output can be used to generate a system reset when the supply voltage falls below a programmable voltage. The ON pin can be used to cycle the board power or to generate a soft reset.

The LTC1422 is available in 8-pin PDIP and SO packages.

Features
  • Allows Safe Board Insertion and Removal from a Live Backplane
  • System Reset Output with Programmable Delay
  • Programmable Electronic Circuit Breaker
  • User-Programmable Supply Voltage Power-Up Rate
  • High Side Driver for an External N-Channel FET
  • Controls Supply Voltages from 2.7V to 12V
  • Undervoltage Lockout
  • Soft Reset Input
  • Glitch Filter on RESET
Typical Application

Applications
  • Hot Board Insertion
  • Electronic Circuit Breaker
Packaging
Order Information
Part NumberPackageTempPrice(1-99)Price (1k)*
LTC1422CN8#PBFN-8C$2.95$2.50
LTC1422CS8#PBFSO-8C$3.50$2.75
LTC1422CS8#TRPBFSO-8C$2.81
LTC1422IN8#PBFN-8I$3.35$2.85
LTC1422IS8#PBFSO-8I$4.00$3.15
LTC1422IS8#TRPBFSO-8I$3.21
Demo Boards
Part NumberDescriptionPrice
DC1357ALTC1422 2.7V to 12V 8-Pin Hot Swap ControllerContact Factory
Datasheet
Design Note
Reliability Data
Product Selector Card
LT Journal
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LTC1422 Footprints and Symbols