AN3271 datasheet(19/29 Pages) STMICROELECTRONICS

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AN3271 数据表(PDF) 19 Page - STMicroelectronics

部件名	AN3271

功能描述	This application note provides

PDF	29 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

19 / 29 page

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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