DS1818R-10+T&R by Analog Devices

3.3V EconoReset with Pushbutton


The DS1813 (5V) and DS1818 (3.3V) EconoResets are simple three-pin voltage monitors and power-on resets that hold reset for 150ms for stabilization after power returns to tolerance. The voltage monitor uses precision temperature reference and comparator circuits that detect out-of-tolerance conditions and generate an active low reset. The DS1818 has an open-drain output with an internal 5.5kΩ pull-up resistor for use in a wired-AND circuit. The DS1818 also monitors a pushbutton on the reset output, generating a reset when the pushbutton is released. EconoResets replace discrete components and save space, particularly in the new SOT-23 package. They can benefit any system that requires reliable processor operation, especially consumer products like printers, HVAC, energy management, cellular telephones, PDAs, and set-top boxes.

Where to Buy

Prices starting from US$1.06

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Features

Improves Reliability of Processor Operation Temperature-Compensated Voltage Monitor for Precise, Automated Power-Fail Detection Automatically Restarts a Microprocessor After Power Failure Maintains Reset for 150ms After VCC Returns to Tolerance for Processor Stabilization Monitors Pushbutton for External Override Active-Low Reset Output
Temperature-Compensated Voltage Monitor for Precise, Automated Power-Fail Detection
Automatically Restarts a Microprocessor After Power Failure
Maintains Reset for 150ms After VCC Returns to Tolerance for Processor Stabilization
Monitors Pushbutton for External Override
Active-Low Reset Output
Efficient Open-Drain Output with Internal 5.5kΩ Pullup Resistor Saves Power and Space 35µA (max) Quiescent Current
35µA (max) Quiescent Current
Allows for Easy Design with No Complicated Settings Fixed 3.3V Reset Threshold 5%, 10%, and 20% Tolerance Versions Available
Fixed 3.3V Reset Threshold
5%, 10%, and 20% Tolerance Versions Available
Operates in Most Commercial and Industrial Environments -40°C to +85°C Operating Temperature Range
-40°C to +85°C Operating Temperature Range
MXD1818 Offers Improved Performance over the DS1818

Specifications

Reset Thresh. (V) 2.5 to 3.3
Reset Thresh. Accur. (%) (@ +25°C) 2.5
Reset Out Active LowOpen Drain
tRESET (min) 85ms to 300ms
Watchdog Feature No Watchdog
Supervisor Features Manual Reset
ICC (µA) (max) 35
Package/Pins SOT23/3TO92/3
BudgetaryPrice (See Notes) 1.42


DS1818R-10+T&R Drivers & Interfaces by Analog Devices

MONITOR 3.3V 10% 0.15S 3SOT23

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

The DS1818 EconoReset uses a precision temperature-compensated reference and comparator circuit to monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces reset to the active state. When VCC 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. 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.

Specifications

Threshold Voltage 2.88V
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 1V
Supply Voltage Max 5.5V
Reset Type Active-Low
Digital IC Case SOT-23
No. of Pins 3Pins
Delay Time 150ms
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)
Base Number 1818
Operating Temperature Range -40°C to +85°C
Supply Current 28µA
Supply Voltage Range 1V to 5.5V

Alternative Descriptions

Econoreset W/Pb, Single, 5.5V, Sot-23-3 | Newark Electronics
MONITOR, 3.3V, 10%, 0.15S, 3SOT23 | element14
PROCESSOR SUPERVISOR 2.88V 35UA | RS
3.3V EconoReset with Pushbutto | Analog Devices
IC: Supervisor Integrated Circuit | Transfer Multisort Elektronik

Frequently Asked Questions

Where can I find additional details, specifications and documents for a DS1818R-10+T&R ?

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Is the DS1818R-10+T&R RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for DS1818R-10+T&R have stock available?

Authorised distributors including Newark Electronics, element14, Farnell, RS and Chip One Stop have stock available or on a lead time for DS1818R-10+T&R .

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