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2W、80%效率、窄输入电压的IGBT驱动电源设计方案?



需要做一个两路输出的电源给IGBT的驱动器供电。

输入11~13V左右,输出一路15V0.1A,另一路-9V/0.1A。

效率80%左右,有没有好的方案推荐?