INPUT

+

-

RESET

GND

INPUT

GND

N/C

N/C

1

2

3

5

4

RESET

LM8364

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SNVS232B – MARCH 2003 – REVISED APRIL 2013

LM8364 Micropower Undervoltage Sensing Circuits

Check for Samples: LM8364

1

FEATURES

DESCRIPTION

The LM8364 series are micropower undervoltage

2

•

Extremely Low Quiescent Current: 0.65

μA, at

sensing circuits that are ideal for use in battery

powered

microprocessor

based

systems,

where

•

High Accuracy Threshold Voltage (±2.5%)

extended battery life is a key requirement.

•

Open Drain Output

A range of threshold voltages from 2.0V to 4.5V are

•

Input Voltage Range: 1V to 6V

available with an active low open drain output. These

devices feature a very low quiescent current of

•

Surface Mount Package (5-Pin SOT-23)

0.65µA typical. The LM8364 series features a highly

•

Pin for Pin Compatible with MC33464

accurate voltage reference, a comparator with precise

thresholds and built-in hysterisis to prevent erratic

APPLICATIONS

reset operation, and ensured Reset operation down

•

Low Battery Detection

to 1.0V with extremely low standby current.

•

Microprocessor Reset Controller

These devices are available in the space saving

SOT-23 5-pin surface mount package. For other

•

Power Fail Indicator

undervoltage thresholds and output options, please

•

Battery Backup Detection

contact Texas Instruments.

Functional Block Diagram

Connection Diagram

Figure 1. 5-Pin SOT-23

Top View

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2003–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.