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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 .
to enhance the system safety and reliability. It has thermal fold back function, which can reduce the output current when the driver’s temperature is higher than the setting value.
The AL1678-20B/10B/08B is available in SO-7 package.
Pin Assignments
(Top View)
OUT 1 VCC 2 ROVP 3 GND 4
SO-7
7 Drain
6 LC 5 CS
Features
• > 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
• Interna.
| Distributor | Stock | Price | Buy |
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