AN3271 datasheet(18/29 Pages) STMICROELECTRONICS

Datenblatt-Suchmaschine für elektronische Bauteile

AN3271 Datenblatt(PDF) 18 Page - STMicroelectronics

Teilenummer	AN3271

Bauteilbeschribung	This application note provides

PDF	29 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	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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