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MAX823SEUK-T

Description
LDO Voltage Regulators 400 mA LDO REG
CategoryPower/power management    The power supply circuit   
File Size205KB,10 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX823SEUK-T Overview

LDO Voltage Regulators 400 mA LDO REG

MAX823SEUK-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOIC
package instructionMO-178AA, SOT-23, 5 PIN
Contacts5
Reach Compliance Codenot_compliant
ECCN codeEAR99
Other featuresRESET THRESHOLD VOLTAGE IS 2.93V; MANUAL RESET INPUT
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDSO-G5
JESD-609 codee0
length2.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals5
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTSOP5/6,.11,37
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)245
power supply3.3 V
Certification statusNot Qualified
Maximum seat height1.45 mm
Maximum supply current (Isup)0.012 mA
Maximum supply voltage (Vsup)3.6 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.625 mm
19-0487; Rev 5; 12/05
5-Pin Microprocessor Supervisory Circuits With
Watchdog Timer and Manual Reset
________________General Description
The MAX823/MAX824/MAX825* microprocessor (µP)
supervisory circuits combine reset output, watchdog,
and manual reset input functions in 5-pin SOT23 and
SC70 packages. They significantly improve system relia-
bility and accuracy compared to separate ICs or discrete
components. The MAX823/MAX824/MAX825 are specifi-
cally designed to ignore fast transients on V
CC
.
Seven preprogrammed reset threshold voltages are
available (see
Reset Threshold Table).
All three devices
have an active-low reset output, which is guaranteed to
be in the correct state for V
CC
down to 1V. The MAX823
also offers a watchdog input and manual reset input.
The MAX824 offers a watchdog input and a comple-
mentary active-high reset. The MAX825 offers a manual
reset input and a complementary active-high reset. The
Selector Guide
explains the functions offered in this
series of parts.
*Pg
Features
Precision Monitoring of +2.5V, +3V, +3.3V, and
+5V Power Supplies
Operating Current: 6µA (MAX823L/M) (SC70)
2µA (MAX825T/S/R/Z/Y) (SC70)
Fully Specified Over Temperature
140ms min Power-On Reset
Guaranteed
RESET
Valid to V
CC
= 1V
Power-Supply Transient Immunity
Watchdog Timer with 1.6s Timeout
(MAX823/MAX824)
Manual Reset Input (MAX823/MAX825)
No External Components
MAX823/MAX824/MAX825
Ordering Information
PART
MAX823_EXK-T
MAX823_EUK-T
MAX824_EXK-T
TEMP. RANGE
-40°C to +85°C
-40°C to +125°C
-40°C to +85°C
PIN-PACKAGE
5 SC70-5
5 SOT23-5
5 SC70-5
________________________Applications
Computers and Controllers
Embedded Controllers
Intelligent Instruments
Automotive Systems
Critical µP Monitoring
Portable/Battery-Powered Equipment
†Insert
the desired suffix letter (from the Reset Threshold table) into
the blank to complete the part number. All devices are available in
tape-and-reel only. There is a 2500 piece minimum order increment.
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.
Reset Threshold Table
SUFFIX
L
M
T
S
R
Z (SC70 only)
Y (SC70 only)
RESET
THRESHOLD (V)
4.63
4.38
3.08
2.93
2.63
2.32
2.19
______________________Selector Guide
FUNCTION
Active-Low Reset
Active-High Reset
Watchdog Input
Manual Reset Input
MAX823
MAX824
MAX825
Typical Operating Circuit appears at end of data sheet.
Marking Information appears at end of data sheet.
Pin Configurations
TOP VIEW
RESET
1
5
V
CC
RESET
1
5
V
CC
RESET
1
5
V
CC
GND
2
MAX823
GND
2
MAX824
GND
2
MAX825
MR
3
4
WDI
RESET
3
4
WDI
RESET
3
4
MR
SOT23/SC70
SOT23/SC70
SOT23/SC70
________________________________________________________________
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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