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求一个可以正压转反压的芯片或者思路,反压输出小于等于-40V,例如-45V,-50V,-60V等,UC2572不知道能否使用

Other Parts Discussed in Thread: UC2572

找来找去芯片貌似只有UC2572能用,但手册太简单了,不详细。。运放反向的话,能到-50V的运放少且贵,或者能不能用分立器件搭出来