MAX701C/D Maxim Integrated, MAX701C/D Datasheet

MAX701C/D

Manufacturer Part Number

MAX701C/D

Description

Supervisory Circuits

Manufacturer

Maxim Integrated

Series

MAX700, MAX701, MAX702r

Datasheet

1.MAX701CD.pdf (6 pages)

Specifications of MAX701C/D

Number Of Voltages Monitored

Monitored Voltage

3 V to 15 V

Undervoltage Threshold

4.5 V

Overvoltage Threshold

4.75 V

Output Type

Active High, Active Low, Push-Pull

Manual Reset

Resettable

Watchdog

No Watchdog

Battery Backup Switching

No Backup

Power-up Reset Delay (typ)

500 ms

Supply Voltage - Max

15 V

Maximum Operating Temperature

+ 70 C

Package / Case

Die

Chip Enable Signals

Maximum Power Dissipation

380 mW

Minimum Operating Temperature

0 C

Power Fail Detection

Supply Current (typ)

200 uA

Supply Voltage - Min

3 V

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The MAX700/MAX701/MAX702 are supervisory circuits

used to monitor the power supplies in microprocessor

(µP) and digital systems. The RESET/RESET outputs of

the MAX700/MAX701/MAX702 are guaranteed to be in

the correct state for V

They provide excellent circuit reliability and low cost by

eliminating external components and adjustments when

used with +5V-powered circuits.

The MAX702 is the simplest part in the family. When

provides a debounced manual reset input. The

MAX701 performs the same functions but has both

RESET and RESET outputs. Their primary function is to

provide a system reset. Accordingly, an active reset

signal is supplied for low supply voltages and for at

least 200ms after the supply voltage reaches its operat-

ing value.

In addition to the features of the MAX701 and MAX702,

the MAX700 provides preset or adjustable voltage

detection so thresholds other than 4.65V can be select-

ed, and adjustable hysteresis. All parts are supplied in

8-pin PDIP and Narrow SO packages in commercial

and extended temperature ranges.

19-2690; Rev 2; 12/07

For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

TOP VIEW

falls to 4.65V, RESET goes low. The MAX702 also

Computers

Controllers

Intelligent Instruments

Automotive Systems

Critical µP Power Monitoring

SENSE

HYST

GND

________________________________________________________________ Maxim Integrated Products

DIP/SO

MAX700

General Description

voltages down to +1V (Figure 4).

CTL

RESET

Power-Supply Monitor with Reset

Applications

GND

N.C.

DIP/SO

MAX701

♦ Min 200ms RESET Pulse on Power-Up, Power-

♦ Reset Threshold Factory Trimmed for +5V

♦ No External Components or Adjustments with

♦ Debounced Manual Reset Input

♦ Preset or Adjustable Voltage Detection (MAX700)

♦ Adjustable Hysteresis (MAX700)

♦ 8-Pin PDIP and Narrow SO Packages

* Devices in PDIP and SO packages are available in both lead-

ed and lead-free packaging. Specify lead free by adding the +

symbol at the end of the part number when ordering.

MAX700C/D

MAX700CPA

MAX700CSA

MAX700EPA

MAX700ESA

MAX701C/D

MAX701CPA

MAX701CSA

MAX701EPA

MAX701ESA

MAX702C/D

MAX702CPA

MAX702CSA

MAX702EPA

MAX702ESA

Down, and During Low-Voltage Conditions

Systems

+5V-Powered Circuits

PART*

N.C.

RESET

-40°C to +85°C

TEMP RANGE

GND

0°C to +70°C

N.C.

Ordering Information

Pin Configurations

DIP/SO

MAX702

PIN-PACKAGE

8 Narrow SO

Features

8 PDIP

Dice

N.C.

RESET

N.C.

Related parts for MAX701C/D

MAX701C/D Summary of contents

Page 1

... Circuits ♦ Debounced Manual Reset Input ♦ Preset or Adjustable Voltage Detection (MAX700) ♦ Adjustable Hysteresis (MAX700) ♦ 8-Pin PDIP and Narrow SO Packages PART* MAX700C/D MAX700CPA MAX700CSA MAX700EPA MAX700ESA MAX701C/D MAX701CPA Applications MAX701CSA MAX701EPA MAX701ESA MAX702C/D MAX702CPA MAX702CSA MAX702EPA MAX702ESA * Devices in PDIP and SO packages are available in both lead- ed and lead-free packaging ...

Page 2

Power-Supply Monitor with Reset ABSOLUTE MAXIMUM RATINGS V ......................................................................-0.3V to +15.5V CC Voltage (with respect to GND) at RESET, RESET, HYST, CTL, SENSE ............................................-0. Operating Temperature Range C Suffix .............................................................0°C to +70°C E Suffix...........................................................-40°C to +85°C Stresses beyond ...

Page 3

ELECTRICAL CHARACTERISTICS (continued +5V, CTL = GND on MAX700 PARAMETER MAX701 RESET Output Low I SINK I SOURCE RESET Output High I SOURCE I SOURCE I SINK RESET Output Low I SINK I SINK RESET Output ...

Page 4

Power-Supply Monitor with Reset PIN NAME MAX700 MAX701 MAX702 — — SENSE 3 — — HYST GND RESET — RESET 7 — — CTL ...

Page 5

MR COMPARATOR 2 SENSE 1.29V REF HYST 4 GND Figure 1. MAX700 Block Diagram MANUAL RESET BUTTON 1 MAX700 SENSE HYST 4 GND ( ...

Page 6

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 6 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2008 Maxim Integrated Products ...

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