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DS1831DS+

Description
Supervisory Circuits 3.3/5V Multisupply MicroMonitor
CategoryPower/power management    The power supply circuit   
File Size189KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS1831DS+ Overview

Supervisory Circuits 3.3/5V Multisupply MicroMonitor

DS1831DS+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instructionSOP, SOP16,.25
Contacts16
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time6 weeks
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDSO-G16
JESD-609 codee3
length9.9 mm
Humidity sensitivity level1
Number of channels4
Number of functions1
Number of terminals16
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
power supply1/5.5 V
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply current (Isup)0.1 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
Nominal supply voltage (Vsup)2.5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
Base Number Matches1
DS1831C/D/E
3.3V/2.5V Multisupply MicroMonitor
www.maxim-ic.com
FEATURES
§
§
§
§
§
§
§
§
§
§
§
§
2.5V power-on reset
3.3V power-on reset
Two referenced comparators with separate
outputs for monitoring additional supplies
Internal power is drawn from higher of either
the IN
2.5V
input or the IN
3.3V
input
Excellent for systems designed to operate
with multiple power supplies
Asserts resets during power transients
Pushbutton reset input for system override
Maintains reset for user configurable times
of 10ms, 100ms, or 1s
Watchdog timer for software monitoring
(DS1831D)
Precision temperature-compensated voltage
reference and voltage sensor
16-pin DIP and 16-pin 150mil SO available
Operating Temperature of -40°C to +85°C
DS1831D
IN
2.5V
RST
2.5V
TOL
2.5V
TD
2.5V
PBRST
2.5V
IN1
ST
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN
3.3V
RST
3.3V
TOL
3.3V
TD
3.3V
PBRST
3.3V
NMI1
WDS
TD
WD
PIN ASSIGNMENT
DS1831C
IN
2.5V
RST
2.5V
TOL
2.5V
TD
2.5V
PBRST
2.5V
IN1
IN2
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN
3.3V
RST
3.3V
TOL
3.3V
TD
3.3V
PBRST
3.3V
NMI1
NMI2
MPBRST
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
DS1831E
IN
2.5V
RST
2.5V
TOL
2.5V
TD
2.5V
PBRST
2.5V
IN1
IN2
GND
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN
3.3V
RST
3.3V
TOL
3.3V
TD
3.3V
PBST
NMI1
NMI2
MPBRST
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
16-Pin (300mil) DIP
&
16-Pin (150mil) SO
DESCRIPTION
The DS1831C multisupply monitor and reset monitors up to four system voltages: 2.5V supply, 3.3V (or
3V) supply, and two additional user configurable voltage monitors. DS1831 power for internal operation
comes from the higher voltage level of the 3.3V input or the 2.5V input. One of these inputs must be
greater than 1V for device operation. Pushbutton (manual reset) functionality is provided for the 2.5V
1 of 15
060303

DS1831DS+ Related Products

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Is it lead-free? Lead free - Lead free Contains lead Lead free - Lead free - Lead free Contains lead
Is it Rohs certified? conform to - conform to incompatible conform to - conform to - conform to incompatible
Parts packaging code SOIC - DIP SOIC SOIC - SOIC - SOIC SOIC
package instruction SOP, SOP16,.25 - 0.300 INCH, DIP-16 0.150 INCH, SOIC-16 SOP, SOP16,.25 - SOP, SOP16,.25 - SOP, SOP16,.25 0.150 INCH, SOIC-16
Contacts 16 - 16 16 16 - 16 - 16 16
Reach Compliance Code compliant - compliant not_compliant compliant - compliant - compliant not_compliant
ECCN code EAR99 - EAR99 EAR99 EAR99 - EAR99 - EAR99 EAR99
Adjustable threshold NO - NO NO NO - NO - NO NO
Analog Integrated Circuits - Other Types POWER SUPPLY MANAGEMENT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G16 - R-PDIP-T16 R-PDSO-G16 R-PDSO-G16 - R-PDSO-G16 - R-PDSO-G16 R-PDSO-G16
JESD-609 code e3 - e3 e0 e3 - e3 - e3 e0
length 9.9 mm - 19.175 mm 9.9 mm 9.9 mm - 9.9 mm - 9.9 mm 9.9 mm
Humidity sensitivity level 1 - 1 1 1 - 1 - 1 1
Number of channels 4 - 4 4 4 - 4 - 4 4
Number of functions 1 - 1 1 1 - 1 - 1 1
Number of terminals 16 - 16 16 16 - 16 - 16 16
Maximum operating temperature 85 °C - 85 °C 85 °C 85 °C - 85 °C - 85 °C 85 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C - -40 °C - -40 °C -40 °C
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP - DIP SOP SOP - SOP - SOP SOP
Encapsulate equivalent code SOP16,.25 - DIP16,.3 SOP16,.25 SOP16,.25 - SOP16,.25 - SOP16,.25 SOP16,.25
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR - RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE - IN-LINE SMALL OUTLINE SMALL OUTLINE - SMALL OUTLINE - SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 - 260 245 260 - 260 - 260 245
power supply 1/5.5 V - 1/5.5 V 1/5.5 V 1/5.5 V - 1/5.5 V - 1/5.5 V 1/5.5 V
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified - Not Qualified - Not Qualified Not Qualified
Maximum seat height 1.75 mm - 4.572 mm 1.75 mm 1.75 mm - 1.75 mm - 1.75 mm 1.75 mm
Maximum supply current (Isup) 0.1 mA - 0.1 mA 0.1 mA 0.1 mA - 0.1 mA - 0.1 mA 0.1 mA
Maximum supply voltage (Vsup) 5.5 V - 5.5 V 5.5 V 5.5 V - 5.5 V - 5.5 V 5.5 V
Minimum supply voltage (Vsup) 1 V - 1 V 1 V 1 V - 1 V - 1 V 1 V
Nominal supply voltage (Vsup) 2.5 V - 2.5 V 2.5 V 2.5 V - 2.5 V - 2.5 V 2.5 V
surface mount YES - NO YES YES - YES - YES YES
Temperature level INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL - INDUSTRIAL - INDUSTRIAL INDUSTRIAL
Terminal surface Matte Tin (Sn) - Matte Tin (Sn) Tin/Lead (Sn/Pb) MATTE TIN - MATTE TIN - Matte Tin (Sn) Tin/Lead (Sn/Pb)
Terminal form GULL WING - THROUGH-HOLE GULL WING GULL WING - GULL WING - GULL WING GULL WING
Terminal pitch 1.27 mm - 2.54 mm 1.27 mm 1.27 mm - 1.27 mm - 1.27 mm 1.27 mm
Terminal location DUAL - DUAL DUAL DUAL - DUAL - DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED
width 3.9 mm - 7.62 mm 3.9 mm 3.9 mm - 3.9 mm - 3.9 mm 3.9 mm
Base Number Matches 1 - 1 1 1 - 1 - 1 1
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