Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPMICsPMIC - system monitor Reset/power-on reset SOT 23 5

MAX6754–MAX6764

Low-Power, Single/Dual-Voltage Window

Detectors

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Applications Information

Microprocessor Monitoring

Figure 8 shows a microprocessor monitoring circuit. An

overvoltage condition on either the core or I/O supply

turns the SCR on, blowing the fuse to disconnect the

circuit from the power source. An optional capacitor

(C1) on the gate of the SCR provides additional tran-

sient immunity against nuisance trips.

MAX6760

GND

SET

CC2

OVLATCH

PUSH BUTTON

RESET

NMI

I/O

DC-DC

CONVERTER

CORE

DC-DC

CONVERTER

μP

I/O

CORE

FUSE

UNREGULATED

POWER SOURCE

SCR

100kΩ 100kΩ

100kΩ

*C1

1μF

*OPTIONAL.

Figure 8. Microprocessor Monitoring

Selector Guide

PUSH-PULL

RESET

PUSH-PULL

RESET

OPEN-DRAIN

RESET

PUSH-PULL

OPEN-DRAIN

PUSH-PULL

OPEN-DRAIN

MAX6754 X —

—

——

—

——

MAX6755 — X

—

——

—

——

MAX6756 — —

——

—

MAX6757 — —

—

X—

—

—X

MAX6758 — —

—

—X

—

—X

MAX6759 — —

—

——

—X

MAX6760 — —

—

X—

—

—X

MAX6761 — —

—

—X

—

—X

MAX6762 — —

—

——

—X

MAX6763 — —

—

X—

—

X—

MAX6764 — —

—

——

—X