General Description

The MAX6709/MAX6714 quad voltage monitors provide

accurate monitoring of up to four supplies without any

external components. A variety of factory-trimmed thresh-

old voltages and supply tolerances are available to opti-

mize the MAX6709/MAX6714 for specific applications.

The selection includes input options for monitoring 5.0V,

3.3V, 3.0V, 2.5V, and 1.8V voltages. Additional high-input-

impedance comparator options can be used as

adjustable voltage monitors, general-purpose compara-

tors, or digital-level translators.

The MAX6709 provides four independent open-drain

provides an active-low, open-drain RESET output with

integrated reset timing and three power-fail comparator

outputs.

Each of the monitored voltages is available with trip

thresholds to support power-supply tolerances of either

5% or 10% below the nominal voltage. An internal

bandgap reference ensures accurate trip thresholds

across the operating temperature range.

The MAX6709 consumes only 35µA (typ) of supply cur-

rent. The MAX6714 consumes only 60µA (typ) of supply

current. The MAX6709/MAX6714 operate with supply

voltages of 2.0V to 5.5V. An internal undervoltage lock-

drops below the minimum operating voltage. The four

accommodating wire-ORed connections. Each input

threshold voltage has an independent output. The

MAX6709/MAX6714 are available in a 10-pin µMAX

package and operate over the extended (-40°C to

+85°C) temperature range.

Applications

Telecommunications

Servers

High-End Printers

Desktop and Notebook Computers

Data Storage Equipment

Networking Equipment

Multivoltage Systems

Features

o Monitor Four Power-Supply Voltages

o Precision Factory-Set Threshold Options for 5.0V,

3.3V, 3.0V, 2.5V, and 1.8V (Nominal) Supplies

o Adjustable Voltage Threshold Monitors Down to

0.62V

o High-Accuracy (±2.0%) Adjustable Threshold

Inputs

o Low Supply Current

MAX6709: 35µA

MAX6714: 60µA

o Four Independent, Active-Low, Open-Drain

o 140ms (min) Reset Timeout Period

(MAX6714 only)

o 2.0V to 5.5V Supply Voltage Range

o Immune to Supply Transients

o Fully Specified from -40°C to +85°C

o Small 10-Pin µMAX Package

Low-Voltage, High-Accuracy, Quad Voltage

Monitors in µMAX Package

________________________________________________________________ Maxim Integrated Products

1

Ordering Information

1

2

3

4

5

10

9

8

7

6

PWRGD1

PWRGD2

PWRGD3

IN4

IN3

IN2

IN1

MAX6709

µMAX

TOP VIEW

PWRGD4

GND

Pin Configurations

19-2379; Rev 0; 4/02

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Pin Configurations continued at end of data sheet.

PART

TEMP RANGE

PIN-PACKAGE

MAX6709_UB*

-40°C to +85°C

10 µMAX

MAX6714_UB*

-40°C to +85°C

10 µMAX

Typical Operating Circuits appear at end of data sheet.

Selector Guides appear at end of data sheet.

*Insert the desired letter from the Selector Guide into the blank

to complete the part number.