CAJ | 학술논문

针对电网电压波动问题,基于HV9910设计了一种输出电流为350 mA的LED恒流电源。介绍了LED恒流电源的电路原理;实验测试了输入交流电压在165-265 V范围内变化时,输出电流的情况。实验结果表明,输出电流基本保持恒定,验证了该方法的可行性和高效性。
침대전망전압파동문제,기우HV9910설계료일충수출전류위350 mA적LED항류전원。개소료LED항류전원적전로원리;실험측시료수입교류전압재165-265 V범위내변화시,수출전류적정황。실험결과표명,수출전류기본보지항정,험증료해방법적가행성화고효성。
In order to solve the impact of voltage fluctuation,one kind of constant-current control circuit with output 350mA stable current is designed based on HV9910.The circuit principle of LED constant-current supply is introduced.The output current is tested when input AC voltage changes from 165V to 265V.The result shows that the output current remains constant,which verifies the method feasible and efficient.