器件名称: PMP5327
功能描述: PMP5327的参考设计提供了了一个42 v / 6的输出从通用交流输入电压范围与功率因数校正。这个设计使用UCC28019A控制PFC提高阶段的前端。PFC的输出是UCC25600 LLC谐振半桥。总效率,从输入到输出从230伏交流电输入超过92%,从115伏交流电输入超过89%。额外的12 v / 250 ma输出类似。
文件大小: 3887.19KB 共12页
简 介:10/08/2012
PMP5327 Rev C Test Results
1 Photo
The photographs below show the top and bottom views of the PMP5327 Rev C demo board.
2 Total Efficiency
The efficiency of the total supply is shown in the tables and graph below.
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Power Management Solutions
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PMP5327 Rev C Test Results
3 12V Buck Efficiency
The efficiency of the 12V buck supply is shown in the table and graph below. R27 was removed for this test. An external DC voltage source was applied to the 42V output.
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Power Management Solutions
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PMP5327 Rev C Test Results
4 Power Factor
The power factor is shown in the plot below.
5 Thermal Images
The images below show thermal images of the board with a 6A load on the 42V output. The ambient temperature was 26C with no forced air flow. The images on the left show a top view, while the images on the right show a bottom view. Loads above 3A require forced air flow.
5.1
115VAC/60Hz
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Power Management Solutions
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PMP5327 Rev C Test Results
5.2 230VAC/50Hz
6 Startup
The voltages at startup are shown in the images below. The PFC output is shown on channel 1. The 42V output is shown on channel 2. The 12V output is shown on channel 3.
6.1
115VAC/60Hz – No Load
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Power Management Solutions
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PMP5327 Rev C Test Results
6.2 230VAC/50Hz – No Load
6.3
115VAC/60Hz – 3A Load
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Power Management Solutions
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PMP5327 Rev C Test Results
6.4 230VAC/50Hz – 3A ……
