请教PI工程师,我用的如图的电路(附件)
输出120mA的恒流,在带负载时工作正常,在负载开路会炸片,请问问题出在什么地方.如何解决,谢谢
![](http://u.dianyuan.com/bbs/u/69/2855171220346884.jpg?x-oss-process=image/watermark,g_center,image_YXJ0aWNsZS9wdWJsaWMvd2F0ZXJtYXJrLnBuZz94LW9zcy1wcm9jZXNzPWltYWdlL3Jlc2l6ZSxQXzQwCg,t_20)
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