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MAX6801UR33D2-T

Description
Supervisory Circuits 3-Pin, Low-Power Microprocessor Reset Circuit
CategoryPower/power management    The power supply circuit   
File Size112KB,7 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX6801UR33D2-T Overview

Supervisory Circuits 3-Pin, Low-Power Microprocessor Reset Circuit

MAX6801UR33D2-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOT-23
package instructionSOT-23, 3 PIN
Contacts3
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 3.3V
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
JESD-609 codee0
length2.92 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTO-236
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)245
power supply0.8/5.5 V
Certification statusNot Qualified
Maximum seat height1.12 mm
Maximum supply current (Isup)0.012 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)0.78 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Threshold voltage nominal+3.3V
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.3 mm
19-1933; Rev 4; 3/12
3-Pin, Low-Power
µP Reset Circuits
General Description
The MAX6800/MAX6801/MAX6802 microprocessor (µP)
supervisory circuits monitor the power supplies in 2.85V
to 5.0V µP and digital systems. They increase circuit
reliability and reduce cost by eliminating external com-
ponents and adjustments.
These devices perform a single function—they assert a
reset signal whenever the V
CC
supply voltage declines
below a preset threshold, keeping it asserted for a preset
timeout period after V
CC
has risen above the reset
threshold. The only difference among the three devices
is their output. The MAX6801 (push/pull) and MAX6802
(open-drain) have an active-low
RESET
output, while the
MAX6800 (push/pull) has an active-high RESET output.
The MAX6800/MAX6801 are guaranteed to be in the cor-
rect state for V
CC
down to 0.7V. The MAX6802 is guaran-
teed to be in the correct state for V
CC
down to 1.0V.
The reset comparator in these ICs is designed to ignore
fast transients on V
CC
. Reset thresholds are factory-
trimmable between 2.63V and 4.80V, in approximately
100mV increments. These devices are available with a
1ms (min), 20ms (min), or 100ms (min) reset pulse
width. Ideal for space-critical applications, the
MAX6800/MAX6801/MAX6802 come packaged in a 3-
pin SOT23. For a lower threshold voltage version, see
the MAX6332/MAX6333/MAX6334.
o
Low 4.0µA Supply Current
o
Precision Monitoring of 2.85V to 5.0V Power-
Supply Voltages
o
Reset Thresholds Available from 2.63V to 4.80V,
in Approximately 100mV Increments
o
Fully Specified over Temperature
o
Three Power-On Reset Timeout Periods Available
(1ms min, 20ms min, 100ms min)
o
Low Cost
o
Three Available Output Structures: Push/Pull
RESET, Push/Pull
RESET,
Open-Drain
RESET
o
Guaranteed RESET/RESET Valid to V
CC
= 0.7V
(MAX6800/MAX6801)
o
Power-Supply Transient Immunity
o
No External Components Required
o
3-Pin SOT23 Package
o
Pin Compatible with MAX809/MAX810,
MAX6326/MAX6327/MAX6328, and
MAX6346/MAX6347/MAX6348
Features
o
Ultra-Low 0.7V Operating Supply Voltage
MAX6800/MAX6801/MAX6802
Applications
Computers
Controllers
Intelligent Instruments
Critical µP/µC Power Monitoring
Portable/Battery-Powered Equipment
Automotive
PART
MAX6800UR_
_D_-T
MAX6800UR_ _D_/V-T
MAX6801UR_
_D_-T
MAX6801UR_ _ D_/V-T
MAX6802UR_
_D_-T
MAX6802UR_ _ D_/V-T
Ordering Information
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
3 SOT23
3 SOT23
3 SOT23
3 SOT23
3 SOT23
3 SOT23
Typical Operating Circuit and Pin Configuration appear
at end of data sheet.
Selector Guide appears at end of data sheet.
*These
devices are available in factory-set V
CC
reset thresh-
olds from 2.63V to 4.80V, in approximately 0.1V increments.
Choose the desired reset threshold suffix from Table 1 and
insert it in the blanks following “UR” in the part number.
Factory-programmed reset timeout periods are also available.
Insert the number corresponding to the desired nominal reset
timeout period (1 = 1ms min, 2 = 20ms min, 3 = 100ms min) in
the blank following “D” in the part number. There are 15 stan-
dard versions with a required order increment of 2500 pieces.
Sample stock is generally held on the standard versions only
(see Selector Guide). Contact the factory for availability of non-
standard versions (required order increment is 10,000 pieces).
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.
/V Denotes an automotive-qualified part.
1
________________________________________________________________
Maxim Integrated Products
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.
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