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用lm2679—DAJ按照典型应用搭的DC/DC可调电路 电感用的是47uh,二级管用in8522 不加负载输入20伏 能稳定输出可调,加上8欧负载电压降到5伏以下,电流也就0.3安培左右

Other Parts Discussed in Thread: LM2679

希望能得到大家的帮忙