EP - 73 5.7 V， 400毫安充电器/适配器
25-Oct-2004
目录
Introduction.................................................................................................................3
电源规格............................................... ......................................... 4
Schematic...................................................................................................................6
电路描述......................................................................................................7
4.1
输入EMI滤波............................................... ................................................ 7
4.2
使用LinkSwitch -HF
小学................................................. ....................................... 7
4.3
输出整流................................................ ............................................. 7
4.4
产量Feedback.................................................................................................7
4.5
设计方面的EMI .............................................. ......................................... 8
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
8变压器设计表格.............................................. ............................... 13
9性能数据....................................................................................................16
9.1
效率...........................................................................................................16
9.2
空载输入功率............................................. ............................................. 17
9.3
规.........................................................................................................17
9.3.1
CV和CC输出特性............................................. ................ 17
9.3.2
负载调整率在简历.............................................. ................................. 18
10
热性能................................................ ........................................... 19
11
线Surge.............................................................................................................20
12
Waveforms............................................................................................................21
12.1漏极电压和电流，正常工作.......................................... ......... 21
12.2输出电压启动配置文件........................................... ............................... 22
12.3漏极电压和电流启动配置文件......................................... ............... 22
12.4负载瞬态响应（ 75 ％到100 ％负载阶跃） ..................................... ..23
12.5输出纹波的测量.............................................. .............................. 24
12.5.1纹波测量技术............................................ .................... 24
12.5.2测量结果............................................. ................................... 25
13
传导EMI .....................................................................................................26
13.1 115 VAC输入，满载........................................... ....................................... 26
13.2 230 VAC输入，满载........................................... ....................................... 27
14
附录A............................................................................................................28
15
修订历史....................................................................................................33
重要注意事项：
虽然这款主板是专为满足安全隔离要求，工程
原型尚未机构批准。因此，所有的测试应该执行
使用隔离变压器来提供AC输入到原型板。
Power Integrations公司
联系电话： +1 408 414 9200传真： +1 408 414 9201
www.powerint.com
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