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AN3095 데이터시트(PDF) 20 Page - STMicroelectronics

부품명 AN3095
상세설명  The STEVAL-ISV002V2 demonstration board is the same
PDF  55 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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AN3095 데이터시트(HTML) 20 Page - STMicroelectronics

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DC-DC converter design
AN3095
20/55
Doc ID 16555 Rev 3
The total copper losses are:
Equation 39
From the core loss curve of N87 material, at 100 °C, 0.15 T and 35 kHz, the selected core
has the following losses:
Equation 40
Where Ve=102000 mm
3 is the core volume of one set of E75/33/32.
The efficiency of the transformer is:
Equation 41
The transformer temperature rise is:
Equation 42
With
Equation 43
W
9
.
20
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R
I
R
P
P
P
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Cu
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99
100
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3000
9
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24
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6
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th =



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