Figure 2-5. maxq7665/maxq7666 brownout reset -14 – Maxim Integrated MAXQ7666 User Manual

Page 86

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MAXQ7665/MAXQ7666 User’s Guide

2-14

Figure 2-5. MAXQ7665/MAXQ7666 Brownout Reset

NOMINAL

DVDD (+3.3V)

+3.06V

+2.77V

DGND

DVDD BROWNOUT RESET

THRESHOLD RANGE

VDBR[1:0] = 01

BROWNOUT RESET

INTERNAL RESET

RESET PIN

BOR STATE

Figure 2-6. MAXQ7665/MAXQ7666 Brownout/Power-On Reset

NOMINAL

DVDD (+3.3V)

DEFAULT BOR

THRESHOLD

BROWNOUT RESET

INTERNAL RESET

BOR STATE

RESET PIN

+3.06V

+2.77V

+2.70V

~ +1.20V

DGND

POR STATE

POWER-UP

DELAY

DVDD BROWNOUT RESET

THRESHOLD RANGE

VDBR[1:0] = 01

Maxim Integrated

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