PT6989 Overview
The PT6989 is a high precision buck LED Driver IC intended for PWM dimming products. The IC has a wide range input range which is 85V~265V and the default dimming state is three Level. The PT6989integrateshigh precision current detection and constant current circuit which can realize high precision LED constant current and excellent line voltage regulation.
PT6989 Key Features
- Integrates 500V Power MOSFET
- PWM Dimming Function
- CRM Mode(rated light)
- No Auxiliary Winding for Sensing and Supplying
- Low Operating Current
- ±5% Output Current Accuracy
- LED Open/Short Circuit Protection
- CS Resistor Short Circuit Protection
- VIN Under Voltage Protection
- Temperature Intelligent Control