AL1666 Overview
Key Specifications
Package: SOP
Operating Voltage: 20 V
Max Voltage (typical range): 21.8 V
Min Voltage (typical range): 8.5 V
Description
The AL1666 is a high performance single stage Flyback and Buckboost controller, targeting dimmable LED lighting application. It is a primary side regulation (PSR) controller which can provide accurate Constant Current (CC) regulation without opto-coupler 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)
