MAX6377XR31+T Maxim Integrated Products, MAX6377XR31+T Datasheet

MAX6377XR31+T

Manufacturer Part Number

MAX6377XR31+T

Description

IC VOLT DETECT LP 3.08V SC70-3

Manufacturer

Maxim Integrated Products

Type

Simple Reset/Power-On Resetr

Datasheet

1.MAX6375UR23T.pdf (7 pages)

Specifications of MAX6377XR31+T

Number Of Voltages Monitored

Output

Open Drain or Open Collector

Reset

Active Low

Reset Timeout

20 µs Typical Propagation Delay

Voltage - Threshold

3.08V

Operating Temperature

-40°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

SC-70-3, SOT-323-3

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

MAX6377XR31+T
MAX6377XR31+TTR

Current page: 1 of 7
Download datasheet (154Kb)

The MAX6375–MAX6380 are ultra-low-power circuits

used for monitoring battery, power-supply, and regulat-

ed system voltages. Each detector contains a precision

bandgap reference, comparator, and internally trimmed

resistors that set specified trip threshold voltages.

These devices provide excellent circuit reliability and

low cost by eliminating external components and

adjustments when monitoring nominal system voltages

from 2.5V to 5V.

These circuits perform a single function: they assert an

output signal whenever the V

below a preset threshold. The devices are differentiated

by their output logic configurations and preset thresh-

old voltages. The MAX6375/MAX6378 (push-pull) and

MAX6377/MAX6380 (open-drain) have an active-low

output (OUT is logic low when V

MAX6376/MAX6379 have an active-high push-pull out-

put (OUT is logic high when V

parts are guaranteed to be in the correct output logic

state for V

ignore fast transients on V

MAX6377 have voltage thresholds between 2.20V and

3.08V in approximately 100mV increments. The

MAX6378/MAX6379/MAX6380 have voltage thresholds

between 3.30V and 4.63V in approximately 100mV

increments.

Ultra-low supply current of 500nA (MAX6375/MAX6376/

MAX6377) makes these parts ideal for use in portable

equipment. All six devices are available in a space-sav-

ing SC70 package or in a tiny SOT23 package.

19-1721; Rev 3; 12/05

Selector Guide appears at end of data sheet.

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.

Precision Battery Monitoring

Load Switching/Power Sequencing

Power-Supply Monitoring in Digital/Analog Systems

Portable/Battery-Powered Equipment

down to 1V. The detector is designed to

________________________________________________________________ Maxim Integrated Products

General Description

3-Pin, Ultra-Low-Power SC70/SOT23

. The MAX6375/MAX6376/

supply voltage falls

Applications

is below V

). The

). All

♦ Ultra-Low 500nA Supply Current

♦ Thresholds Available from 2.20V to 4.63V in

♦ ±2.5% Threshold Accuracy Over Temperature

♦ Low Cost

♦ Available in Three Versions: Push-Pull OUT,

♦ Power-Supply Transient Immunity

♦ No External Components

♦ Available in Either a 3-Pin SC70

thresholds from 2.20V to 3.08V, in approximately 0.1V increments.

The MAX6378/MAX6379/MAX6380 are available in factory-preset

thresholds from 3.30V to 4.63V, in approximately 0.1V increments.

Choose the desired threshold suffix from Table 1 and insert it in

the blank spaces following R. There are 21 standard versions,

with a required order increment of 2500 pieces. Sample stock is

generally held on the standard versions only (see the Selector

Guide). The required order increment is 10,000 pieces for non-

standard versions (Table 2). Contact factory for availability. All

devices available in tape-and-reel only.

Devices are available in both leaded and lead-free packaging.

Specify lead-free by replacing “-T” with “+T” when ordering.

Ordering information continued at end of data sheet

The MAX6375/MAX6376/MAX6377 are available in factory-preset

MAX6375UR _ _ -T

MAX6375XR _ _ -T

MAX6376UR _ _ -T

MAX6376XR _ _ -T

TOP VIEW

(MAX6375/MAX6376/MAX6377)

Approximately 100mV Increments

Push-Pull OUT, and Open-Drain OUT

or 3-Pin SOT23 Package

OUT(OUT)

( ) ARE FOR MAX6376/MAX6379 ONLY.

GND

PART*

Voltage Detectors

MAX6375XR–

MAX6380XR

SC70-3

Ordering Information

-40°C to +85°C

TEMP RANGE

Pin Configuration

OUT(OUT)

GND

MAX6375UR–

MAX6380UR

SOT23-3

3 SOT23-3

3 SC70-3

3 SOT23-3

3 SC70-3

PIN-PACKAGE

Features

Related parts for MAX6377XR31+T

MAX6377XR31+T Summary of contents

Page 1

... Load Switching/Power Sequencing Power-Supply Monitoring in Digital/Analog Systems Portable/Battery-Powered Equipment Selector Guide appears at end of data sheet. ________________________________________________________________ Maxim Integrated Products 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. ♦ Ultra-Low 500nA Supply Current (MAX6375/MAX6376/MAX6377) ♦ ...

Page 2

Ultra-Low-Power SC70/SOT23 Voltage Detectors ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V ...........................................................................-0.3V to +6V CC OUT, OUT (push-pull) ................................-0. OUT (open-drain) .....................................................-0.3V to +6V Input Current (V ) .............................................................20mA CC Output Current (OUT, OUT) ...

Page 3

Ultra-Low-Power SC70/SOT23 __________________________________________Typical Operating Characteristics ( +25°C, unless otherwise noted SUPPLY CURRENT vs. TEMPERATURE 1.0 0.9 0 0.7 0 3.3V 0.5 CC 0.4 0.3 0.2 0.1 V ...

Page 4

Ultra-Low-Power SC70/SOT23 Voltage Detectors ____________ Applications Information Interfacing to Different Logic Voltage Components The MAX6377/MAX6380 have an active-low, open- drain output. This output structure sinks current when OUT is asserted. Connect a pullup resistor from OUT to any supply ...

Page 5

Ultra-Low-Power SC70/SOT23 Table 1. Factory-Trimmed Reset Thresholds PART SUFFIX MAX6378_R 38 39 MAX6379_R 40 41 MAX6380_R ‡ Factory-trimmed reset thresholds are available in approximately 100mV increments with a 1.5% ...

Page 6

Ultra-Low-Power SC70/SOT23 Voltage Detectors Table 2. Device Marking Codes and Minimum Order Increments (continued) TOP MARK TOP MARK PART (SC70) (SOT23) MAX6378_R39-T — — MAX6378_R40-T — — MAX6378_R41-T — — MAX6378_R42-T — — MAX6378_R43-T — — MAX6378_R44-T ADS FZHU ...

Page 7

... 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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600_____________________ 7 © 2005 Maxim Integrated Products ...

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