AL1666A Overview
Description
The DIODESTM AL1666A is a high performance single stage Flyback and Buck-boost controller, targeting dimmable LED lighting application. It is a primary side regulation (PSR) controller which can provide accurate Constant Current (CC) regulation without optocoupler and secondary control circuitry.
Key Features
- Primary Side Regulation without Opto-Coupler
- Valley Switching for Low Switching Loss
- Support Analog and PWM-to-DC Dimming
- Analog/PWM-to-DC Dimming Range: 1 to 100%
- Tight CS Reference Voltage 0.4V±1.5%
- High PF > 0.9 and Low THD < 20%
- High Efficiency
- Internal Protections
- Under Voltage Lock Out (UVLO)
- Output Over Voltage Protection (OVP)
