LM3445 Pdf资料

应用功能： 离线双向可调LED驱动器 The LM3445 is an adaptive constant off-time AC/DC buck(step-down) constant current controller designed to be compatible with triac dimmers. The LM3445 provides a constant current for illuminating high power LEDs and includes a triac dim decoder. The dim decoder allows wide range LED dimming using standard triac dimmers.