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EDN电子技术设计
6 天
LM317拓扑再升级,升压预调节器让效率进一步提升
此设计实例将LM3x7可调稳压器与PWM DAC集成在一起,形成一个可编程的20V、1A电流源··· 此设计实例将LM3x7可调稳压器与PWM DAC集成在一起,形成一个可编程的20V、1A电流源。与之前的设计实例不同,此实例在原本的基础上采用了接地升压预调节器,可从5V稳压或 ...
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