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L7987 데이터시트(PDF) 13 Page - STMicroelectronics

부품명 L7987
상세설명  Adjustable current limitation
PDF  37 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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L7987 데이터시트(HTML) 13 Page - STMicroelectronics

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L7987
Functional description
37
In case two or more (up to five) L7987 SYNCH pins are tied together, the L7987 IC with
higher programmed switching frequency is typically the master device; however, the
SYNCH circuit is also able to synchronize with a slightly lower external frequency, so the
frequency pre-adjustment with the same resistor on the FSW pin, as suggested above, is
required for a proper operation.



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