Datasheet for LTC4231IMS-2#WTRPBF:
- Manufacturer Part Number : LTC4231IMS-2#WTRPBF
- Manufacturer : AD
- Description : Micropower Hot Swap Controller IC
- Series : LTC4231
- Reference Price : USD 2.328
- Our Price : We have a better price, contact us by email
- Product Type : Hot Swap Controllers
- Function : Low Voltage Hot Swap Controllers
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 12-Lead MSOP
- Pins : 12
- MFG Package Case : 05-08-1668
- Part Type : REEL
- Standard Packing Type : Reel
- Standard Packing Quantity : 2500
- Working Temperature : -40 to 85C
- Other Part Number : LTC4231IMS-2#WTRPBF
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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- Enables Safe Board Insertion and Removal from a Power Supply
- 4µA Supply Current
- 0.3µA Shutdown Current
- Wide Operating Voltage Range: 2.7V to 36V
- Reverse Supply Protection to –40V
- Adjustable Analog Current Limit with Circuit Breaker
- Automatic Retry or Latchoff on Current Fault
- Overvoltage and Undervoltage Monitoring
- Controls Single or Back-to-Back N-Channel MOSFETs
- 12-Lead MSOP and 3mm × 3mm QFN Packages
- AEC-Q100 Qualified for Automotive Applications
The LTC4231 is a micropower Hot Swap controller that allows safe circuit board insertion and removal from a live power supply. An internal high side switch driver controls the gate of an external N-channel MOSFET. Back-to-back MOSFETs can be used for reverse supply protection down to –40V.
The LTC4231 provides a debounce delay and allows the GATE to be ramped up at an adjustable rate. After startup, the LTC4231's quiescent current drops to 4µA during normal operation with output active. UVL, UVH, OV and GNDSW monitor overvoltage and undervoltage periodically, keeping total quiescent current low. Pulling SHDN low shuts down the LTC4231 and quiescent current drops to 0.3µA.
During an overcurrent fault, the LTC4231 actively limits current while running an adjustable timer. The LTC4231-1 remains off after a current fault while the LTC4231-2 automatically reapplies power after a cool-down period.
Applications
- Battery Powered Equipment
- Solar Powered Systems
- Portable Instruments
- Automotive Battery Protection
- Energy Harvesting
This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.
