STM6600EU55DM6E View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

STM6600EU55DM6E

Smart push-button on/off controller with Smart Reset™ and power-on lockout

STMicroelectronics 

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Waveforms

STM6600 - STM6601

Figure 13. Power-up on STM660x with voltage dropout

Push-button pressed and VCC goes above VTH+ and

PB connected to GND

tDEBOUNCE is counted again

VTH+

VCC

VCCLO

VCC

drop

VCC

under-

voltage

detected

VTH–

VCC–Min

(1)

PB

(2)

PSHOLD

INT (3)

internal pull-down resistor

connected to PSHOLD input

INT signal is held high during power-up

EN

RST

< t DEBOUNCE

tDEBOUNCE

tREC

< t ON_BLANK

1. PB detection on falling and rising edges.

2. Internal pull-down resistor 300 kΩ is connected to PSHOLD input during power-up.

3. INT signal is held high during power-up.

AM00249v2

20/51

Doc ID 15453 Rev 7

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