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AN3271 Datasheet(PDF) 19 Page - STMicroelectronics

Part # AN3271
Description  This application note provides
PDF  29 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3271 Datasheet(HTML) 19 Page - STMicroelectronics

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AN3271Automatic confirmation of power-up + immediate shutdown after PB button press or und-
Doc ID 17933 Rev 2
19/29
The mechanism is similar during undervoltage detection. If the supply voltage (VCC) goes
below the threshold (VTH–), the INT signal is asserted, PSHOLD goes low and power for
application is turned off (see Figure 17).
Figure 17.
Waveform for shutdown after undervoltage detection



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