1. 电源介绍
该方案由无锡芯朋微电子股份有限公司提供的一种基于PN8359 12V/1A 单路输出开关电源。该方案包含了原理图,电源输入输出规格,BOM 表,变压器参数和印制电路板 等。电源实物图:

2.电源规格明细
最大输入输出电气特性:

3.电源原理图:
Note: 具体参数以BOM 为准

4.电路描述
上述PN8359典型应用电路图中R14、RS15、R16,为ZCS分压电阻,可通过辅助绕组采样出的电压,调整R14、RS15、R16的比例,可调节输出电压;适当加大R14的阻值,可改善线损补偿电压,建议R14阻值在33-39K之间;电路中,R7,R8 为CS 检测电阻,可通过修改其阻值来改变输出电流。
5.印制电路板
普通单面板工艺


