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NCP1345 Quasi-Resonant Flyback Controllers
Onsemi’s NCP1345 highly integrated quasi-resonant flyback controllers are suited for offline USB PD and USB Type-C® power converters
Onsemi’s NCP1345 is a highly integrated quasi-resonant flyback controller suitable for designing high-performance offline USB PD and USB Type-C power converters. The included dual-pin VCC architecture allows direct connection to the aux winding for simplified VCC management with a reduced parts count and increased performance. The NCP1345 also features a precise, primary side-based output current limiting circuit to ensure a constant output current limit regardless of programmed output voltage or nameplate output power.
Features
- 150 V wide range Vcc architecture
- Auto-tuning skip
- Rapid frequency foldback
- Constant output current limiting
- SR spike reduction circuitry (adaptive gate drive)
- Improved frequency jittering
- 350 KHz high-frequency QR
- Internal 700 V startup with x2 discharge
Applications
- USB PD
NCP1345 Quasi-Resonant Flyback Controllers
| Image | Manufacturer Part Number | Description | Available Quantity | Price | View Details | |
|---|---|---|---|---|---|---|
 |  | NCP1345Q01D1R2G | HIGHLY INTEGRATED QUASI-RESONANT | 2487 - Immediate | $1.21 | View Details |
| | NCP1345Q00D1R2G | HIGHLY INTEGRATED QUASI-RESONANT | 2430 - Immediate | $1.21 | View Details |
| | NCP1345Q02D1R2G | HIGHLY INTEGRATED QUASI-RESONANT | 2341 - Immediate | $1.21 | View Details |
Published: 2023-10-27
Greece