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MAX6379XR45-T

Description
Supervisory Circuits
CategoryPower/power management    The power supply circuit   
File Size148KB,7 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6379XR45-T Overview

Supervisory Circuits

MAX6379XR45-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionSC-70, 3 PIN
Contacts3
Reach Compliance Codenot_compliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
JESD-609 codee0
length2 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Encapsulate equivalent codeTSSOP3/6,.08
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)245
power supply1.5/5 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply current (Isup)0.00175 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Threshold voltage nominal+4.5V
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.25 mm
Base Number Matches1
19-1721; Rev 3; 12/05
3-Pin, Ultra-Low-Power SC70/SOT23
Voltage Detectors
General Description
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
CC
supply voltage falls
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
CC
is below V
TH
). The
MAX6376/MAX6379 have an active-high push-pull out-
put (OUT is logic high when V
CC
is below V
TH
). All
parts are guaranteed to be in the correct output logic
state for V
CC
down to 1V. The detector is designed to
ignore fast transients on V
CC
. The MAX6375/MAX6376/
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.
Ultra-Low 500nA Supply Current
(MAX6375/MAX6376/MAX6377)
Thresholds Available from 2.20V to 4.63V in
Approximately 100mV Increments
±2.5% Threshold Accuracy Over Temperature
Low Cost
Available in Three Versions: Push-Pull
OUT,
Push-Pull OUT, and Open-Drain
OUT
Power-Supply Transient Immunity
No External Components
Available in Either a 3-Pin SC70
or 3-Pin SOT23 Package
Features
MAX6375–MAX6380
Ordering Information
PART*
MAX6375UR
_ _ -T
MAX6375XR _ _ -T
MAX6376UR
_ _ -T
MAX6376XR _ _ -T
*
The
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
Applications
Precision Battery Monitoring
Load Switching/Power Sequencing
Power-Supply Monitoring in Digital/Analog Systems
Portable/Battery-Powered Equipment
MAX6375/MAX6376/MAX6377 are available in factory-preset
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
Pin Configuration
TOP VIEW
GND
1
MAX6375XR–
MAX6380XR
OUT(OUT)
2
OUT(OUT)
1
3
V
CC
GND
2
MAX6375UR–
MAX6380UR
3
V
CC
Selector Guide appears at end of data sheet.
SC70-3
( ) ARE FOR MAX6376/MAX6379 ONLY.
SOT23-3
________________________________________________________________
Maxim Integrated Products
1
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.
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