Alternating current input RGB dimming control circuit

The utility model relates to the technical field of LED dimming, in particular to an alternating-current input RGB dimming control circuit, which comprises a rectifier module, a master control module, a switch amplification module and an RGB lamp with a working voltage value of 54v, three function modes are built in the master control module, the switch amplification module consisting of three triodes is adopted for mode switching, and the RGB lamp is connected with the rectifier module. The switching of the working states of the RGB lamp can be realized without a traditional capacitive and inductive device voltage reduction circuit structure, and the efficiency is higher. 本实用新型涉及LED调光技术领域，具体涉及一种交流输入RGB变光控制电路，该电路包括整流模块、主控模块、开关放大模块以及工作电压值为54v的RGB灯，主控模块内置三种功能模式，采用三个三极管组成的开关放大模块进行模式切换，无需传统的容性和感性器件降压电路结构即可实现RGB灯工作状态的切换，效率更高。