AN3271 datasheet(18/29 Pages) STMICROELECTRONICS

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AN3271 Datasheet(PDF) 18 Page - STMicroelectronics

No. de pieza	AN3271

Descripción Electrónicos	This application note provides

PDF	29 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

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18 / 29 page

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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