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MAX6823VUK+

Description
Power Management Circuit, BICMOS, PDSO5,
CategoryPower/power management    The power supply circuit   
File Size1MB,9 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance  
Download Datasheet Parametric View All

MAX6823VUK+ Overview

Power Management Circuit, BICMOS, PDSO5,

MAX6823VUK+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
package instructionTSOP, TSOP5/6,.11,37
Reach Compliance Codecompliant
ECCN codeEAR99
JESD-30 codeR-PDSO-G5
JESD-609 codee3
Humidity sensitivity level1
Number of terminals5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply1.8 V
Certification statusNot Qualified
Nominal supply voltage (Vsup)1.8 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
MAX6821/MAX6825
Low-Voltage SOT23 µP Supervisors
with Manual Reset and Watchdog Timer
Features
General Description
The MAX6821–MAX6825 are low-voltage microproces-
sor (µP) supervisory circuits that combine voltage mon-
itoring, watchdog timer, and manual reset input func-
tions in a 5-pin SOT23 package. Microprocessor super-
visory circuits significantly improve system reliability and
accuracy compared to separate ICs or discrete compo-
nents. These devices assert a reset signal whenever the
monitored voltage drops below its preset threshold, keep-
ing it asserted for a minimum timeout period after V
CC
rises
above the threshold. In addition, a watchdog timer monitors
against code execution errors. A debounced manual reset
is also available. The MAX6821–MAX6825 monitor voltag-
es from +1.8V to +5.0V. These outputs are guaranteed to
be in the correct state for V
CC
down to +1.0V.
Nine preprogrammed reset threshold voltages are
available (see the
Threshold Suffix Guide).
The
MAX6821, MAX6822, and MAX6823 all have a manual
reset input and a watchdog timer. The MAX6821 has
push-pull RESET, the MAX6822 has open-drain
RESET,
and the MAX6823 has push-pull
RESET.
The MAX6824
has a watchdog timer and both push-pull
RESET
and
push-pull RESET. The MAX6825 has a manual reset
input and both push-pull
RESET
and push-pull RESET.
The
Selector Guide
explains the functions offered in
this series of parts.
Monitors +1.8V, +2.5V, +3.0V, +3.3V, +5.0V Supplies
140ms (min) Reset Timeout Delay
1.6s Watchdog Timeout Period (MAX6821/MAX6822/
MAX6823/MAX6824)
Manual Reset Input (MAX6821/MAX6822/MAX6823/
MAX6825)
Three Reset Output Options
Push-Pull
RESET
Push-Pull RESET
Open-Drain
RESET
Guaranteed Reset Valid to V
CC
= +1.0V
Immune to Short Negative V
CC
Transients
No External Components
Small 5-Pin SOT23 Packages
Ordering Information
PART*
MAX6821_UK-T
MAX6822_UK-T
MAX6823_UK-T
MAX6824_UK-T
TEMP RANGE
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
PIN-PACKAGE
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
Applications
Set-Top Boxes
Computers and Con-
trollers
Embedded Controllers
Intelligent Instruments
Critical µP Monitoring
Portable/Battery-
Powered Equipment
MAX6825_UK-T
-40°C to +125°C
5 SOT23-5
*Insert the desired suffix letter (from the table below) into the
blank to complete the part number
Devices are available in both leaded and lead(Pb)-free packag-
ing.Specify lead-free by replacing “-T” with “+T” when ordering.
Threshold Suffix Guide
RESET
THRESHOLD (V)
L
4.63
M
4.38
T
3.08
S
2.93
R
2.63
Z
2.32
Y
2.19
W
1.67
V
1.58
Note:
Bold indicates standard versions. Samples are typically
available for standard versions only. All parts require a 2.5k
minimum order increment. Contact factory for availability.
Selector Guide appears at end of data sheet.
SUFFIX
Pin Configurations
TOP VIEW
RESET(RESET)
1
5
V
CC
GND 2
MAX6821
MAX6822
MAX6823
4
WDI
MR
3
(RESET) MAX6821 ONLY
SOT23-5
Pin Configurations continued at end of data sheet.
Typical Operating Circuit appears at end of data sheet.
19-1868; Rev 3; 7/14
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