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ST1S14 Datasheet(PDF) 34 Page - STMicroelectronics

Part # ST1S14
Description  Power good open collector output
PDF  46 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST1S14 Datasheet(HTML) 34 Page - STMicroelectronics

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ST1S14
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DocID17977 Rev 2
Figure 22. Start up in short circuit condition
As soon as the current escalates to the current protection threshold (OCP1) the switching
frequency is foldback 5 times the nomimal value.The OCP1 threshold is not foldback even if
the VFB v< 300 mV ( see Chapter 7.4.2) becuase the device is operating in soft start time.
Figure 23. Over current protection triggers the frequency foldback
Out of soft start time the device support frequency and current foldback operation to keep
the siwtch current limited and reduce the stress of the power components.



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