DER-19
TOP245P多输出机顶盒
二○○四年三月三十零日
目录
介绍................................................................................................................ 4
电源Specification........................................................................................五
概要.................................................................................................................. 6
电路描述...................................................................................................... 7
4.1
输入EMI Filtering............................................................................................... 7
4.2
TOPSwitch的主要................................................ ............................................. 7
4.3
产量Rectification............................................................................................. 7
4.4
输出反馈................................................ ................................................ 7
5 PCB Layout................................................................................................................ 8
材料6比尔.......................................................................................................... 9
7变压器规格............................................... ......................................... 10
7.1
电气原理图................................................ ............................................. 10
7.2
电气规格................................................ .................................... 10
7.3
物料........................................................................................................... 10
7.4
变压器建设图............................................... ................................ 11
7.5
变压器结构................................................ ................................. 11
8变压器电子表格............................................... ....................................... 12
9性能数据............................................... .................................................. ... 15
9.1
Efficiency........................................................................................................... 15
9.2
空载输入功率............................................. ............................................ 16
9.3
高峰Power....................................................................................................... 16
9.4
Regulation......................................................................................................... 16
9.4.1
Load........................................................................................................... 16
9.4.2
线............................................................................................................ 17
9.5
交规................................................ .............................................. 17
10
热Performance........................................................................................... 18
11
波形........................................................................................................... 18
11.1漏极电压和电流，正常工作.......................................... ........ 18
11.2输出电压启动配置文件（全功率） ....................................... .............. 19
11.3漏极电压和电流启动配置文件......................................... .............. 20
11.4负载瞬态响应.............................................. ................................... 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
进行EMI..................................................................................................... 24
13
调整History.................................................................................................... 25
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