AL1678-08B
Overview
The AL1678-20B/10B/08B is a universal AC input (85 to 277 VAC), high efficiency and high accuracy Buck LED driver. The AL167820B/10B/08B topology provides accurate constant current over line and load regulation with tight tolerance ±3%, operating at boundary conduction mode (BCM) to ease in EMI/EMC qualification and testing to meet the latest regulatory laws.
- > 90% Efficiency
- Valley Switching to Achieve Low Switching Loss
- Universal 85 to 277 VAC Input Range
- Internal MOSFET up to 500V
- Tight Current Sense Tolerance: ±3%
- Low Start-Up Current: 170µA
- Low Operation Current: 100µA (Static)
- Single Winding Inductor
- Internal Protections
- Under Voltage Lock Out (UVLO)
