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AN2794 Datasheet(PDF) 10 Page - STMicroelectronics

Part # AN2794
Description  This application note provides design guidelines
PDF  39 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2794 Datasheet(HTML) 10 Page - STMicroelectronics

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Design considerations
AN2794
10/39
Doc ID 14827 Rev 2
●
Maximum average input current:
Equation 6
●
Maximum equivalent flat topped input current:
Equation 7
●
Maximum input RMS current:
Equation 8
●
Maximum MOSFET RMS current:
Equation 9
●
Minimum MOSFET breakdown voltage:
Equation 10
●
Transformer turns ratio:
Equation 11
●
Minimum duty cycle value:
Equation 12
●
Duty cycle at nominal input voltage:
Equation 13
●
Maximum average output current:
Equation 14
A
55
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72
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58
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32
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A
86
.
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=



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