The SM15GL is a TRIAC dimmable ACLED Driver. The maximum power rating is 20 W. The device provides the current for ACLED, which has low THD and high power factor through the operation of 4-stage LED driver. It operates in Normal Mode, Power Compensation Mode and Phase-Cut Dimmer Mode according to the extension of TRIAC dimmer. The SM15GL provides the bleeding current for TRIAC to prevent TRIAC dimmer misfires and ACLED light flickers.