BP3378A Description
BP3378A is a high-precision single-stage primary side APFC controller for 90Vac-277Vac universal input application. BP3378A adopts constant ON-time control to achieve high PF. Inherent THD optimization module can further improve THD.
BP3378A Key Features
- 90-277Vac Wide Input Range
- High PF and Low THD(PF>0.9，THD<15%)
- Precise Current Reference (±3% Typical)
- PWM/Analog Dimming Signal patible
- Excellent Line and Load Regulation
- Boundary Conduction Mode
- Low VCC Quiescent Current
- VCC UVLO Protection
- Cycle-by-Cycle OCP
- LED Open/Short Protection