GMT 致新科技，新推出的可控硅調光方案，供大家參考。

G5345, 80～270V AC 輸入，可控制最大1A LED 電流。

Triac dim decoder circuit for LED dimming;
Application voltage range 80VAC – 277VAC;
Capable of controlling LED currents greater than 1A;
Low quiescent current;
Programmable off-time allows for constant ripple current;
Input supply under-voltage lockout;
Thermal shutdown;
Over current protection;
No visible flicker;
MSOP-10 package.

典型應用線路如下，