Product Summary
The LTC4210-3/LTC4210-4 is a 6-pin SOT-23 Hot Swap controller that allows a board to be safely inserted and removed from a live backplane. An internal high side switch driver controls the GATE of an external N-channel MOSFET for a supply voltage ranging from 2.7V to 7V. The LTC4210 provides the initial timing cycle and allows the GATE to be ramped up at an adjustable rate.
The LTC4210 features a fast current limit loop providing active current limiting together with a circuit breaker timer. The signal at the ON pin turns the part on and off and is also used for the reset function.
The LTC4210-3 retries on overcurrent fault and the LTC4210-4 latches off on an overcurrent fault.
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Features
Allows Safe Board Insertion and Removal from a Live Backplane
Adjustable Analog Current Limit with Circuit Breaker
Fast Response Limits Peak Fault Current
Automatic Retry or Latch Off On Current Fault
Adjustable Supply Voltage Power-Up Rate
High Side Drive for External MOSFET Switch
Controls Supply Voltages from 2.7V to 7V
Undervoltage Lockout
Adjustable Overvoltage Protection
Low Profile (1mm) SOT-23 (ThinSOTTM) Package
Image | Part No | Mfg | Description | Pricing (USD) |
Quantity | |||||||||||
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LTC4210-3CS6#TRPBF |
IC CONTROLLER HOT SWAP TSOT23-6 |
Data Sheet |
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