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DER-37 参数 Datasheet PDF下载

DER-37图片预览
型号: DER-37
PDF下载: 下载PDF文件 查看货源
内容描述: 16W超薄适配器电源采用TOP245P [16W Low Profile Adapter Supply using TOP245P]
分类和应用:
文件页数/大小: 32 页 / 1258 K
品牌: POWERINT [ Power Integrations ]
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DER-37  
16W Adapter using TOP245P  
April 27, 2004  
Table Of Contents  
1
2
3
4
Introduction.................................................................................................................4  
Power Supply Specification........................................................................................5  
Schematic...................................................................................................................6  
Circuit Description ......................................................................................................7  
4.1  
4.2  
4.3  
Input EMI Filtering...............................................................................................7  
Output Rectification.............................................................................................7  
Output Feedback.................................................................................................7  
5
6
7
PCB Layout ................................................................................................................9  
Bill Of Materials ........................................................................................................10  
Transformer Specification.........................................................................................11  
7.1  
Electrical Diagram .............................................................................................11  
Electrical Specifications.....................................................................................11  
Materials............................................................................................................12  
Transformer Build Diagram ...............................................................................13  
7.2  
7.3  
7.4  
7.4.1  
SHLD Build diagram...................................................................................13  
7.5  
Transformer Construction..................................................................................14  
8
Common Mode Choke .............................................................................................15  
8.1  
Electrical Diagram .............................................................................................15  
Electrical Specifications.....................................................................................15  
Materials............................................................................................................15  
Common Mode Choke Build Diagram...............................................................16  
8.2  
8.3  
8.4  
9
10  
Transformer Spreadsheets.......................................................................................17  
Performance Data.................................................................................................18  
10.1 Efficiency...........................................................................................................18  
10.2 No-load Input Power..........................................................................................19  
10.3 Regulation.........................................................................................................19  
10.3.1 Load...........................................................................................................19  
10.3.2 Line ............................................................................................................20  
10.4 Over Power Protection ......................................................................................20  
10.5 Leakage Current ...............................................................................................20  
11  
Thermal Performance...........................................................................................21  
11.1 Thermal measurements at max ambient...........................................................21  
11.2 Thermal margin test ..........................................................................................21  
12  
Waveforms............................................................................................................22  
12.1 Drain Voltage and Current, Normal Operation ..................................................22  
12.2 Output Voltage Start-up Profile .........................................................................22  
12.3 Drain Voltage and Current Start-up Profile........................................................23  
12.4 Load Transient Response (75% to 100% Load Step) .......................................23  
12.5 Output Ripple Measurements............................................................................24  
12.5.1 Ripple Measurement Technique ................................................................24  
12.5.2 Measurement Results ................................................................................25  
13  
Control Loop Measurements.................................................................................26  
13.1 115 VAC Maximum Load ..................................................................................26  
13.2 230 VAC Maximum Load ..................................................................................26  
Power Integrations  
Tel: +1 408 414 9200 Fax: +1 408 414 9201  
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