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DS1817-10+

Description
Supervisory Circuits 3.3V Econoreset w/ Active High Output
CategoryPower/power management    The power supply circuit   
File Size113KB,5 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

DS1817-10+ Overview

Supervisory Circuits 3.3V Econoreset w/ Active High Output

DS1817-10+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeTO-92
package instructionTO-92, SIP3,.1,50
Contacts3
Reach Compliance Codecompliant
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeO-XBCY-T3
JESD-609 codee3
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialUNSPECIFIED
encapsulated codeTO-92
Encapsulate equivalent codeSIP3,.1,50
Package shapeROUND
Package formCYLINDRICAL
Peak Reflow Temperature (Celsius)260
power supply1.2/5.5 V
Certification statusNot Qualified
Maximum supply current (Isup)0.035 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.2 V
Nominal supply voltage (Vsup)3.3 V
surface mountNO
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceMatte Tin (Sn)
Terminal formTHROUGH-HOLE
Terminal pitch1.27 mm
Terminal locationBOTTOM
Threshold voltage nominal+2.88V
Maximum time at peak reflow temperature30
DS1817
Active High 3.3V EconoReset
www.maxim-ic.com
FEATURES
§
§
§
§
§
§
§
§
§
Automatically restarts a microprocessor after
power failure
Maintains reset for 150 ms after V
CC
returns
to an in-tolerance condition
Reduces need for discrete components
Precision temperature-compensated voltage
reference and voltage sensor
Accurate 5%, 10% or 20% power monitoring
20% tolerance for use with 3.0-volt systems
Low-cost TO-92 or space saving surface
mount SOT-23 packages available
Push-pull active high output
Operating temperature -40°C to +85°C
PIN ASSIGNMENT
DALLAS
DS1817
Econo
Reset
3
1
2
1 2 3
1 2 3
BOTTOM VIEW
TO-92 PACKAGE
See Mech.
Drawings Section
On Website
TOP VIEW
SOT-23 PACKAGE
See Mech.
Drawings Section
On Website
PIN DESCRIPTION
TO-92
1
2
3
RST
V
CC
GND
Active High Reset Output
Power Supply
Ground
SOT-23
1
2
3
RST
V
CC
GND
Active High Reset Output
Power Supply
Ground
DESCRIPTION
The DS1817 EconoReset uses a precision temperature reference and comparator circuit to monitor the
status of the power supply (V
CC
). When an out-of-tolerance condition is detected, an internal power-fail
signal is generated which forces reset to the active state. When V
CC
returns to an in-tolerance condition,
the reset signal is kept in the active state for approximately 150 ms to allow the power supply and
processor to stabilize.
1 of 5
041002

DS1817-10+ Related Products

DS1817-10+ DS1817-10-TR DS1817-20- DS1817R-10-U- DS1817-5+T&R
Description Supervisory Circuits 3.3V Econoreset w/ Active High Output Supervisory Circuits 3.3V Econoreset w/ Active High Output Supervisory Circuits 3.3V Econoreset w/ Active High Output Supervisory Circuits Active High 3.3V EconoReset Supervisory Circuits 3.3V Econoreset w/ Active High Output
Product Attribute - Attribute Value Attribute Value Attribute Value -
Manufacturer - Maxim Maxim Maxim -
Product Category - Supervisory Circuits Supervisory Circuits Supervisory Circuits -
Type - Voltage Supervisory Voltage Supervisory Voltage Supervisory -
Mounting Style - Through Hole Through Hole SMD/SMT -
Package / Case - TO-92-3 TO-92-3 SOT-23-3 -
Threshold Voltage - 0 V to 5.5 V 0 V to 5.5 V 0 V to 5.5 V -
Number of Inputs Monitored - 1 Input 1 Input 1 Input -
Output Type - Active High, Push-Pull Active High, Push-Pull Active High, Push-Pull -
Manual Reset - No Manual Reset No Manual Reset No Manual Reset -
Watchdog Timers - No Watchdog No Watchdog No Watchdog -
Battery Backup Switching - No Backup No Backup No Backup -
Reset Delay Time - 250 ms 250 ms 250 ms -
Supply Voltage - Max - 5.5 V 5.5 V 5.5 V -
Maximum Operating Temperature - + 85 C + 85 C + 85 C -
Minimum Operating Temperature - - 40 C - 40 C - 40 C -
Height - 4.95 mm (Max) 4.95 mm (Max) 0.94 mm -
Length - 4.95 mm (Max) 4.95 mm (Max) 2.92 mm -
Width - 3.94 mm (Max) 3.94 mm (Max) 1.3 mm -
Overvoltage Threshold - 2.97 V 2.64 V 2.97 V -
Undervoltage Threshold - 2.8 V 2.47 V 2.8 V -
Chip Enable Signals - No Chip Enable No Chip Enable No Chip Enable -
Operating Supply Current - 35 uA 35 uA 35 uA -
Power Fail Detection - Yes Yes Yes -
Supply Voltage - Min - 0 V 0 V 0 V -
Unit Weight - 0.016000 oz 0.016000 oz 0.050717 oz -
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