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AN3271 Fiches technique(PDF) 18 Page - STMicroelectronics

No de pièce AN3271
Description  This application note provides
PDF  29 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN3271 Fiches technique(HTML) 18 Page - STMicroelectronics

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Automatic confirmation of power-up + immediate shutdown after PB button press or undervolt-
18/29
Doc ID 17933 Rev 2
A push-button (PB) press always asserts the interrupt (INT). Since INT is connected to
PSHOLD they both go low at the same time, EN output is deasserted, and therefore power
for the application is turned off (see Figure 16).
Figure 16.
Waveform for shutdown after PB button press



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