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L7983PUR Datenblatt(PDF) 21 Page - STMicroelectronics

Teilenummer L7983PUR
Bauteilbeschribung  60 V, 300 mA synchronous step-down switching regulator with 10 μA quiescent current
PDF  43 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
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L7983PUR Datenblatt(HTML) 21 Page - STMicroelectronics

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In LNM mode, the L7983 can sink current from the output. However, to protect the power components, a negative
current limit is implemented. If the sensed current is found lower than the INEG threshold, the low-side MOS is
promptly turned off and the high-side one is turned on until the inductor is discharged. When this occurs, the LS
MOS is allowed to turn on again.
Figure 20. Negative current limit example
L7983
Fault management
DS13354 - Rev 1
page 21/43



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