基于UC3844的多通道输出开关电源的设计

Design of Multi-output Switching Power Supply Based on UC3844

设计了一种新型的基于UC3844芯片的多通道输出开关电源.详细给出了反馈电路、启动电路、漏感消除电路和变压器的设计过程.实验结果表明,该电源具有良好的性能,如电压稳定性好,输出电压纹波小,负载调整率高等.因此可用于电机控制,并具有较高的实用价值.

The design of a new multi-output switching power supply based on UC3844 is proposed in this paper. The design of transformer, leakage inductance elimination circuit, start circuit and voltage and current feedback circuit are introduced in detail. Experiment results show that the power supply has good performance such as high voltage stability, low output voltage ripple, good load adjustment rate and so on. It can be used for motor control as a power module and has a better practical value.