在设计时,用MCU产生3.3V的PWM输出,结果需要相对应的直流输出,板子上有12V电压,如果将3.3V的PWM波形转换成0~12V的直流电平呢?
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在设计时,用MCU产生3.3V的PWM输出,结果需要相对应的直流输出,板子上有12V电压,如果将3.3V的PWM波形转换成0~12V的直流电平呢?
Hi
请问你是要做PWM占空比控制的电源输出,还是只是要一个0~12V的电平电压(不具备带载能力,或者说很小很小的负载)?