Design and Development of Experimental Instrument Based on LM3404HV LED Driving Circuit
JIAN Xingqiu
REN Jinghao
WEI Qiang
Abstract：This paper designs and develops portable LED lighting drive experimental instrument based on LM3404HV chip.This set of experimental instrument contains LED step-down drive circuit,and can realize pulse width modulation(PWM)dimming,analog dimming and other functions.Using this experimental instrument,LED step-down drive circuit construction,LED voltage and current detection,LED dimming and illuminance test and other experiments can be conducted,organically combining theoretical knowledge,instrument design,experimental content and specific operation.
Keywords：LM3404HV chipLED buck circuitPWM dimminganalog dimming
Publication Date：2025-01-24
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 7-10 )