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AN3203 数据表(PDF) 29 Page - STMicroelectronics

部件名 AN3203
功能描述  This application note describes the characteristics and performance
PDF  49 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

AN3203 数据表(HTML) 29 Page - STMicroelectronics

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AN3203
Electrical performance
Doc ID 17402 Rev 2
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Figure 25.
AHB stage only efficiency (Vin = 400 Vdc)
When looking at these efficiency results we have also to keep in mind that the AHB stage is
a cost effective solution, thanks to a low count of components needed, no need of a
controller IC for the synchronous rectification and a small output choke.
Table 12.
AHB efficiency with 400 Vdc input
Load [%]
Iout [A]
Vout [V]
Pout [W]
Pin [W]
Eff [%]
10 %
2.078
12.06
25.061
28.61
87.59%
20 %
4.163
12.06
50.206
53.79
93.34%
25 %
5.213
12.06
62.869
66.6
94.40%
50 %
10.415
12.05
125.501
131.3
95.58%
75 %
15.616
12.04
188.017
197.9
95.01%
100 %
20.823
12.03
250.501
266.3
94.07%



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