Main and auxiliary integrated illumination driver

The utility model discloses a main and auxiliary integrated lighting driver, which comprises a driving shell, a circuit board is fixed in the driving shell, an input connecting terminal, a main driving connecting terminal and an auxiliary driving connecting terminal are fixed on the circuit board, the main driving connecting terminal is electrically connected with a main LED lamp, the auxiliary driving connecting terminal is electrically connected with an auxiliary LED lamp, and the main driving connecting terminal is electrically connected with the auxiliary LED lamp. A rectifying and filtering circuit, a booster circuit, a main step-down circuit and an auxiliary step-down circuit are fixed on the circuit board, the main step-down circuit comprises a step-down constant-current driving circuit and a segmented toning control circuit electrically connected with the output end of the step-down constant-current driving circuit, and the segmented toning control circuit is electrically connected with the main drivi