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我需要驱动
80-100W左右的功放。
输入电压12V或者24V
输出电压 ±20左右
TI有没有这种单电源升压成双电源的片子
Hi
功率有些大，或许你需要用flyback通过变压器隔离的方式来做。
如果用DC/DC， 采用12V输入boost+chargepump ， 或者24V输入buck+ 耦合电感 ，这些都可以做到+/-20V输出，但是电流一般很难做大（不容易做大80~100W）.
