EPR - 34 - 12 V ， 30 W，通用输入
10-Feb-2004
目录
1
2
3
4
Introduction.................................................................................................................4
电源规格............................................... ......................................... 5
Schematic...................................................................................................................6
电路描述......................................................................................................7
4.1
输入EMI滤波............................................... ................................................ 7
4.2
TOPSwitch的
小学................................................. ............................................ 7
4.3
输出整流................................................ ............................................. 7
4.4
产量Feedback.................................................................................................7
5 PCB布局................................................................................................................9
材料6比尔........................................................................................................10
7变压器Specification.........................................................................................11
7.1
电气原理图................................................ ............................................. 11
7.2
电动Specifications.....................................................................................11
7.3
Materials............................................................................................................11
7.4
变压器建设图............................................... ................................ 12
7.5
变压器结构................................................ .................................. 12
7.6
变压器来源................................................ ......................................... 12
8变压器电子表格............................................... ........................................ 13
9性能数据....................................................................................................15
9.1
效率...........................................................................................................15
9.2
空载输入功率............................................. ............................................. 15
9.3
规.........................................................................................................16
9.3.1
负载...........................................................................................................16
9.3.2
线............................................................................................................16
9.4
超载Power.................................................................................................17
10
热性能................................................ ........................................... 18
11
Waveforms............................................................................................................19
11.1漏极电压和电流，正常工作.......................................... ......... 19
11.2输出电压启动配置文件........................................... ............................... 19
11.3漏极电压和电流启动配置文件......................................... ............... 19
11.4负载瞬态响应（ 75 ％到100 ％负载阶跃） ..................................... ..20
11.5输出纹波的测量.............................................. .............................. 21
11.5.1纹波测量技术............................................ .................... 21
11.5.2测量结果............................................. ................................... 22
12
控制回路测量............................................... .................................. 23
12.1 115 VAC最大负载............................................. ...................................... 23
12.2 230 VAC最大负载............................................. ...................................... 23
13
传导EMI .....................................................................................................24
14
AC浪涌和100 kHz的振铃波抗扰度.......................................... ............. 25
14.1共模浪涌， 1.2 / 50
s
.......................................................................25
14.2差模浪涌， 1.2 / 50
s
....................................................................26
14.3共模， 100 kHz的振铃波.......................................... ...................... 26
14.4差分模式， 100 kHz的振铃波.......................................... .................... 26
15
修订历史....................................................................................................27
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