DS1812-10+T&R Maxim Integrated Products, DS1812-10+T&R Datasheet

IC ECONORESET 5V P-P 10% TO92-3

DS1812-10+T&R

Manufacturer Part Number
DS1812-10+T&R
Description
IC ECONORESET 5V P-P 10% TO92-3
Manufacturer
Maxim Integrated Products
Series
EconoResetr
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of DS1812-10+T&R

Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active High
Reset Timeout
100 ms Minimum
Voltage - Threshold
4.35V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
TO-92-3 (Standard Body), TO-226
Monitored Voltage
0 V to 5.5 V
Undervoltage Threshold
4.25 V
Overvoltage Threshold
4.49 V
Manual Reset
No
Watchdog
No
Battery Backup Switching
No
Power-up Reset Delay (typ)
300 ms
Supply Voltage (max)
5.5 V
Supply Voltage (min)
0 V
Supply Current (typ)
40 uA
Mounting Style
Through Hole
Maximum Operating Temperature
+ 85 C
Chip Enable Signals
No
Minimum Operating Temperature
- 40 C
Output Type
Active High or Push-Pull
Power Fail Detection
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
DS1812-10+TR
FEATURES
§ Automatically restarts a microprocessor after
§ Maintains reset for 150 ms after V
§ Reduces need for discrete components
§ Precision temperature-compensated voltage
§ Low-cost TO-92, or space saving surface
§ Push-pull active high output
§ Operating temperature -40°C to +85°C
DESCRIPTION
The DS1812 EconoReset uses a precision temperature reference and comparator circuit to monitor the
status of the power supply (V
signal is generated which forces reset to the active state. When V
the reset signal is kept in the active state for approximately 150 ms to allow the power supply and
processor to stabilize.
www.maxim-ic.com
power failure
to an in-tolerance condition
reference and voltage sensor
mount SOT-23 packages available
CC
). When an out-of-tolerance condition is detected, an internal power-fail
CC
returns
1 of 5
PIN ASSIGNMENT
PIN DESCRIPTION
TO-92
1
2
3
SOT-23
1
2
3
TO-92 PACKAGE
Drawings Section
BOTTOM VIEW
On Website
See Mech.
RST
V
GND
RST
V
GND
DALLAS
1 2 3
1 2 3
DS1812
Econo
Reset
CC
CC
CC
5V EconoReset with Active
returns to an in-tolerance condition,
Active High Reset Output
Power Supply
Ground
Active High Reset Output
Power Supply
Ground
High Push-Pull Output
SOT-23 PACKAGE
Drawings Section
1
TOP VIEW
On Website
See Mech.
3
2
DS1812
041002

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DS1812-10+T&R Summary of contents

Page 1

... Push-pull active high output § Operating temperature -40°C to +85°C DESCRIPTION The DS1812 EconoReset uses a precision temperature reference and comparator circuit to monitor the status of the power supply (V signal is generated which forces reset to the active state. When V the reset signal is kept in the active state for approximately 150 ms to allow the power supply and processor to stabilize ...

Page 2

... OPERATION - POWER MONITOR The DS1812 provides the function of detecting out-of-tolerance power supply conditions and warning a processor-based system of impending power failure. When V signal is asserted. On power-up, RST is kept active for approximately 150 ms after the power supply has reached the selected tolerance. This allows the power supply and microprocessor to stabilize before RST is released ...

Page 3

... TIMING DIAGRAM: POWER-UP Figure 3 TIMING DIAGRAM: POWER-DOWN Figure DS1812 ...

Page 4

... DC ELECTRICAL CHARACTERISTICS PARAMETER Output Voltage @ 0-500 mA Output Current @ 2.4 volts Output Current @ 0.4 volts Operating Current V < 5 Trip Point (DS1812- Trip Point (DS1812-10 Trip Point (DS1812-15) CC Output Capacitance AC ELECTRICAL CHARACTERISTICS PARAMETER RESET Active Time V Detect to RST CC V Slew Rate CC (V (MAX (MIN)) ...

Page 5

... PART MARKING CODES “A”, “B”, &“C” represent the device type. 810 - DS1810 811 - DS1811 812 - DS1812 813 - DS1813 815 - DS1815 816 - DS1816 817 - DS1817 818 - DS1818 SOT-23 PACKAGE “D” represents the device tolerance DS1812 5% 10% 15% 20% ...

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