Offline Controllers | NCP1345
概览
The NCP1345 is a highly integrated quasi-resonant flyback controller suitable for designing high-performance off-line 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.
- USB PD
- Phone, Tablet, & Notebook Chargers
- Aftermarket USB PD Multi-Port Chargers
- USB C Enabled Wall Sockets
- 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 w X2 discharge
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