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L6985F датащи(PDF) 35 Page - STMicroelectronics

номер детали L6985F
подробное описание детали  Internal current limiting
PDF  65 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6985F датащи(HTML) 35 Page - STMicroelectronics

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L6985F
Functional description
65
Figure 26. Overvoltage operation
4.9
Thermal shutdown
The shutdown block disables the switching activity if the junction temperature is higher than
a fixed internal threshold (165 °C typical). The thermal sensing element is close to the
power elements, ensuring fast and accurate temperature detection. A hysteresis of
approximately 30 °C prevents the device from turning ON and OFF continuously. When the
thermal protection runs away a new soft-start cycle will take place.
VBIAS pin voltage
regulated output voltage
inductor current
switching node
(purple)
(cyan)



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