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Circuit Archives
Power & Battery Circuits/ Converters
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Telecom Converter
Reprinted with permission
from Rudolf Graf.
For this and over 1000 other electronic circuits, review and order Rudolf
Graf's Encyclopedia of Electronic Circuits on CD-ROM Vol-1
McGraw-Hill ISBN0078528119
FE78-37
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Description:
The circuit supplies 1
A at +5 V from the - 48-V supply commonly used in telephone equipment. The National
Semiconductor LM2575 is a simple switching regulator. (Reprinted with the Permission of
National Semiconductor Corp. Linear Edge, Spring 1992).) From figure FE78-37 from Encyclopedia of Electronic Circuits Vol. 1.
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