Description
The PN8570 consists of a Low Standby-Power QuasiResonant (QR) Primary-Side controller and BJT, specifically designed for a high performance AC/DC charger or adapter with minimal external components.
Features
- Vo 100%
±5%
60%
±5%
Features.
- Internal BJT switch.
- Multi-mode and Quasi-Resonant control technique.
- ±5% CC Regulation at Universal AC input.
- Primary-side Sensing and Regulation without TL431
and Opto-coupler.
- Programmable Cable Drop Compensation.
- No-need Control Loop Compensation Capacitor.
- Excellent Protection include:.
- Over Temperature Protection (OTP).
- VDD Under/Over Voltage Protection(UVLO&OVP).
- Cycle-by-Cycle Current Limiting (OCP).
PN8570-Chipown.pdf
