LM5025AEVAL National Semiconductor, LM5025AEVAL Datasheet
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LM5025AEVAL
Specifications of LM5025AEVAL
Related parts for LM5025AEVAL
LM5025AEVAL Summary of contents
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... The printed circuit board consists of 4 layers copper on FR4 material, with a thickness of 0.050 in designed for continuous operation at rated load with a minimum airflow of 200 LFPM. FIGURE 1. LM5025A Evaluation Board Top Side © 2005 National Semiconductor Corporation National Semiconductor Application Note 1368 Neil Gutierrez & Kim Nelson April 2005 ...
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Theory of Operation www.national.com (Continued) FIGURE 2. LM5025A Evaluation Board Bottom Side FIGURE 3. LM5115 Evaluation Board 2 20140302 20140303 ...
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Board Layout and Probing Figures 1-3 show the board layout, main components, and critical probe points for testing the LM5115 AC mode evalu- ation board in conjunction with the LM5025A board. The following notes should be considered prior to applying ...
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FIGURE 4. Representative Waveform FIGURE 5. System Efficiency vs. Load Current and V FIGURE 6. Adjusted Efficiency on secondary side vs. Load Current and V www.national.com 20140304 20140305 IN 20140306 IN FIGURE 9. Secondary Output Short Response 4 20140307 FIGURE ...
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FIGURE 10. Secondary Step Load Response 20140311 FIGURE 11. Cross Regulation Step Load 20140312 FIGURE 12. Startup Response FIGURE 13. Shutdown Response FIGURE 14. Secondary Ripple Voltage FIGURE 15. Output vs. Load Current & 20140313 20140314 20140315 ...
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FIGURE 16. Secondary Closed Loop Response 6 20140316 ...
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Bill of Materials ITEM PART NUMBER C 1 C3216X7R1E105K C 2 C2012X7R1H104K C 3 C3216X7R1E105K C 4 C2012COG1H331K C 5 C2012X7R1H104K C2012COG1H223K C 8 C2012COG1H471K C4532X7SOG686M C 12 C4532X7SOG686M C ...
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PCB Layout(s) www.national.com 20140319 FIGURE 19. Top Silk Screen LM5115 10 ...
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PCB Layout(s) (Continued) FIGURE 20. Top Layer LM5115 11 20140320 www.national.com ...
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PCB Layout(s) (Continued) www.national.com 20140321 FIGURE 21. Layer 2 LM5115 12 ...
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PCB Layout(s) (Continued) 20140322 FIGURE 22. Layer 3 LM5115 13 www.national.com ...
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PCB Layout(s) (Continued) FIGURE 23. Bottom Layer LM5115, as Viewed from Top www.national.com 20140323 14 ...
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PCB Layout(s) (Continued) FIGURE 24. Bottom Silk Screen LM5115 15 20140324 www.national.com ...
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... BANNED SUBSTANCE COMPLIANCE National Semiconductor manufactures products and uses packing materials that meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...