Datasheet for DC1739A-B:
- Manufacturer Part Number : DC1739A-B
- Manufacturer : AD
- Description : Active Clamp Forward Controller and Gate Driver IC
- Series : LTC3765
- Reference Price : USD 0
- Our Price : We have a better price, contact us by email
- Product Type : Switching Regulators
- Function : Flyback, Forward and Isolated Controllers
- Current Suggest : Recommended for New Designs
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : LTC3765EMSE/LTC3766EGN Isolated Demo Board | Forward Converter, 18V = VIN = 72V; VOUT = 12V @ 12.5A
- Pins : -
- MFG Package Case : -
- Part Type : EVAL
- Standard Packing Type : -
- Standard Packing Quantity : -
- Working Temperature : -
- Other Part Number : DC1739A-B
- 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 LTC3765 is a start-up controller and gate driver for use in a self-starting secondary-side control forward converter. When combined with the LTC3766 secondary-side synchronous forward controller, a complete isolated power supply is created using a minimum of discrete parts. A proprietary scheme is used to multiplex gate drive signals and bias power across the isolation barrier through a small pulse transformer. The LTC3765 contains an onchip bridge rectifier that extracts gate drive bias power from this pulse transformer, eliminating the need for a separate bias supply. A precision undervoltage lockout circuit and linear regulator controller ensure a quick and well-controlled start-up.
The LTC3765 includes an active clamp output for driving an external PMOS, as well as an adjustable delay to optimize efficiency. The active clamp architecture reduces voltage stress on the main power switch, and provides the highest possible efficiency. Overcurrent protection and the Direct Flux Limit guarantee no transformer saturation without compromising transient response.
Applications
- Isolated Battery Chargers
- Isolated 48V Telecommunication Systems
- Servers and Embedded Computing
- Automotive and Heavy Equipment
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.
