应用在小型摄像头,供电5-13V,供电线很长,有几十米,输出3.3或5v,输出波纹低,体积小,相机电流小于0.4A,开关电源,目前使用线性电源发热较大!谢谢大家!
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线长的电阻是多少?注意负载的电流越大,实际到负载上的电压也越低
TPS560200或者TPS561201比较合适,性价比好