DS1818R-5/T&R Maxim Integrated Products, DS1818R-5/T&R Datasheet

IC ECONRST 3.3V W/PB 5% SOT23-3

DS1818R-5/T&R

Manufacturer Part Number
DS1818R-5/T&R
Description
IC ECONRST 3.3V W/PB 5% SOT23-3
Manufacturer
Maxim Integrated Products
Series
EconoResetr
Type
Simple Reset/Power-On Resetr
Datasheet

Specifications of DS1818R-5/T&R

Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
100 ms Minimum
Voltage - Threshold
3.06V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SOT-23-3, TO-236-3, Micro3™, SSD3, SST3
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
DS1818R-5/T&RDS1818R-5/TR
Manufacturer:
MXAIM
Quantity:
7 538
FEATURES
§ Automatically restarts a microprocessor after
§ Monitors pushbutton for external override
§ Maintains reset for 150 ms after V
§ Reduces need for discrete components
§ Precision temperature-compensated voltage
§ Accurate 5%, 10% or 20% power monitoring
§ Low-cost TO-92 or space saving surface
§ Efficient open-drain output with internal
§ Operating temperature -40°C to +85°C
DESCRIPTION
The DS1818 EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (V
power-fail signal is generated which forces reset to the active state. When V
condition, the reset signal is kept in the active state for approximately 150 ms to allow the power supply
and processor to stabilize.
The DS1818 also monitors a pushbutton on the reset output. If the reset line is pulled low, a reset is
generated upon release and the DS1818 output will be held in reset output low for typically 150 ms.
www.maxim-ic.com
power failure
to an in-tolerance condition
reference and voltage sensor
mount SOT-23 packages available
5.5 kW pull-up resistor
CC
returns
CC
). When an out-of-tolerance condition is detected, an internal
3.3V EconoReset with Pushbutton
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.
V
GND
V
GND
DALLAS
1 2 3
1 2 3
DS1818
RST
RST
Econo
Reset
CC
CC
Active Low Reset Output
Power Supply
Ground
Active Low Reset Output
Power Supply
Ground
SOT-23 PACKAGE
Drawings Section
CC
1
TOP VIEW
On Website
See Mech.
returns to an in-tolerance
3
2
DS1818
041002

Related parts for DS1818R-5/T&R

DS1818R-5/T&R Summary of contents

Page 1

FEATURES § Automatically restarts a microprocessor after power failure § Monitors pushbutton for external override § Maintains reset for 150 ms after in-tolerance condition § Reduces need for discrete components § Precision temperature-compensated voltage reference and ...

Page 2

OPERATION - POWER MONITOR The DS1818 provides the functions of detecting out-of-tolerance power supply conditions and warning a processor-based system of impending power failures. When V signal is asserted. On power-up, reached the selected tolerance. This allows the power supply ...

Page 3

TIMING DIAGRAM: POWER-UP Figure 4 TIMING DIAGRAM: POWER-DOWN Figure DS1818 ...

Page 4

ABSOLUTE MAXIMUM RATINGS* Voltage on V Pin Relative to Ground CC Voltage on Relative to Ground RST Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any ...

Page 5

NOTES: 1. All voltages are referenced to ground. ³ 2.7V. 2. Measured with external pull-up resistor may be required in some applications for proper operation of the microprocessor reset control circuit. 4. Measured with ...

Related keywords