This reference design is a 120Vac to 17V flyback converter with synchronous rectification on the secondary side. A lossless passive clamp on the primary side helps this reference design achieve greater than 93% maximum load efficiency. When combined with the PMP20172, this reference design becomes a complete solution for a 36W USB Type-C dual-port solution.
| Devices | Class | introduce | Datasheet |
|---|---|---|---|
| CSD18540Q5B | Discrete semiconductor;The transistor | Drain-source voltage (Vdss): 60V Continuous drain current (Id) (at 25°C): 100A Gate-source threshold voltage: 2.3V @ 250uA Drain-source on-resistance: 2.2mΩ @ 28A, 10V Maximum power dissipation ( Ta=25°C): 3.1W Type: N-channel | Download |
| UCC24636 | semiconductor;Power management | UCC24636 Synchronous Rectifier Controller With Ultra-Low Standby Current | Download |
| UCC28740 | semiconductor;Power management | UCC28740 Constant-Voltage, Constant-Current Flyback Controller Using Opto-Coupler Feedback | Download |
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