DER-9
Generic PCB for DVD Player using TinySwitch-II
February 4, 2004
Table Of Contents
1
2
3
4
Introduction.................................................................................................................3
Generic Power Supply PCB Layout............................................................................4
Schematic...................................................................................................................5
Circuit Description ......................................................................................................6
4.1
Input EMI Filtering...............................................................................................6
Primary Clamp Snubber......................................................................................6
Output filtering.....................................................................................................6
Output Feedback.................................................................................................6
“DC Switch”.........................................................................................................6
+8V Option..........................................................................................................6
–22V option.........................................................................................................6
Floating +3V and Its Bias Option.........................................................................7
–12V Linear Regulator Option.............................................................................7
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
6
Bill Of Materials – Generic PSU with all options.........................................................8
Example One - 5.7W TNY264 DVD PSU..................................................................9
6.1
DVD Power Requirements ..................................................................................9
Schematic .........................................................................................................10
Bill Of Materials.................................................................................................11
Transformer Electrical Diagram.........................................................................12
6.2
6.3
6.4
The Original 5.7W design in ASM-140292 used an EE19 core. Error! Bookmark not
defined.
6.5
6.6
Cross Regulation...............................................................................................12
Design Option with EEL25 - Spreadsheet.........................................................12
7
8
9
Example Two - 8.5W TNY266 DVD PSU................................................................15
7.1
Specification......................................................................................................15
Schematic .........................................................................................................16
Bill of Materials..................................................................................................17
Transformer Electrical Diagram.........................................................................18
Cross Regulation...............................................................................................18
7.2
7.3
7.4
7.5
Example Three – 11.6W TNY267 DVD PSU............................................................19
8.1
Specification......................................................................................................19
Schematic .........................................................................................................20
Bill of Materials..................................................................................................21
Transformer Electrical Diagram.........................................................................22
Cross Regulation...............................................................................................23
8.2
8.3
8.4
8.5
Revision History .......................................................................................................24
Important Notes:
Although this board is designed to satisfy safety isolation requirements, the engineering
prototype has not been agency approved. Therefore, all testing should be performed
using an isolation transformer to provide the AC input to the prototype board.
Power Integrations
Tel: +1 408 414 9200 Fax: +1 408 414 9201
Page 2 of 25
www.powerint.com
5秒后页面跳转
SG3525资料手册详解：SG3525参数分析、引脚说明、应用介绍
AT89C51单片机资料手册详细解析及应用示例
CP2102资料手册解读：CP2102引脚说明、关键参数分析
资料手册解读：UC3842参数和管脚说明
微信公众号
抖音公众号
浙公网安备 33010502006866号 浙ICP备10014259号-119
营业执照ICP证
技术参数
数据手册
如果您发现信息不准确，
