Datasheet for LTC3900:
- Manufacturer Part Number : LTC3900
- Manufacturer : AD
- Description : Synchronous Rectifier Driver for Forward Converters
- Series : LTC3900
- Reference Price : USD 2
- Our Price : We have a better price, contact us by email
- Product Type : Power Control
- Function : Secondary Side Controllers
- Current Suggest : Production
- Status : Production
- RoHS Status: -
- Voltage: -
- Feature: -
- Package Case: -
- Temperature Range: -
- Packing: Reel/Tray/Tube
- Standard Packing Quantity: -
- Country of Origin: -
- Other Part Number : LTC3900
- 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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The LTC3900 is a secondary-side synchronous rectifier driver designed to be used in isolated forward converter power supplies. The chip drives N-channel rectifier MOSFETs and accepts pulse sychronization from the primary-side controller via a pulse transformer.
The LTC3900 incorporates a full range of protection for the external MOSFETs. A programmable timeout function is included that disables both drivers when the synchronization signal is missing or incorrect. Additionally, the chip senses the output inductor current through the drainsource resistance of the catch MOSFET, shutting off the MOSFET if the inductor current reverses. The LTC3900 also shuts off the drivers if the supply voltage is too low.
Applications
- 48V Input Isolated DC/DC Converters
- Isolated Telecom Power Supplies
- High Voltage Distributed Power Step-Down Converters
- Industrial Control System Power Supplies
- Automotive and Heavy Equipment
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
