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能否用恒压芯片做恒流输出

Other Parts Discussed in Thread: TPS63060

想用TPS63060做一个2.5~12V宽电压输入600mA输出的恒流源.

TPS63060 FeedBack参考电压是500mV, 如果在负载和地之间串联 一个0.8欧姆的取样电阻,FB接在取样电阻上,做成600mA左右输出的恒流源,输出功率3W。

这样做会不会有什么问题?