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ＵＣ３９０７是Ｕｎｉｔｒｏｄｅ公司生产的负载均衡控制电路，它能有效控制每个电源模块的输出电流，使之均摊总负载电流，为电源模块的并联使用提供了保证。文章介绍了该电路的特性、工作原理及实用电路。
The UC3907 is a Unitrode load balancing control circuit that effectively controls the output current of each power module so that it can share the total load current and provides a guarantee for the parallel use of power modules. The paper introduces the characteristics of the circuit, working principle and practical circuit.