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PWM控制MOS管通断输出0-12V可调电压



在网上看了通过控制PWM占空比 使mos管通断就可输出0-12的可调电压,仿真后总是实现不了。

只有当电感为1h 电容为100n的情况下 输出电压=占空比*12;但是这种情况电感太大,不变使用。 有没有好点的设计方法呢