Abstract

This paper proposes an isolated flyback switch mode power supply (SMPS) light-emitting diode (LED) driver for lighting application. The LED driver features a single-stage AC/DC converter with minimal number of components which help to cut its cost. The LED driver is using a single switching transistor, without supplementary inductors, correctional circuitry, or clamping action, thus ensuring a low cost design. The SPICE modelled LED driver uses auxiliary voltage output to maintain the equilibrium of the system based on the feedback from the output. Simulation models report up to 95.44% efficiency.

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