lms33460mgx National Semiconductor Corporation, lms33460mgx Datasheet

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lms33460mgx

Manufacturer Part Number
lms33460mgx
Description
3v Under Voltage Detector
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2004 National Semiconductor Corporation
LMS33460
3V Under Voltage Detector
General Description
The LMS33460 is an under voltage detector with a 3.0V
threshold and extremely low power consumption. The
LMS33460 is specifically designed to accurately monitor
power supplies. It is especially suited to battery powered
systems where low quiescent current and small size are
required. This IC generates an active output whenever the
input voltage drops below 3.0 Volts.
This part uses a precision on-chip voltage reference and a
comparator to measure the input voltage. Built in hysteresis
helps to prevent erratic operation in the presence of noise.
The UVD is available in the ultra-miniature SC70-5 package.
Circuit Block Diagram
Typical Application
DS200200
Features
n Ultra low Power
n 3.0V detection
n V
n Open drain output
n Ultra-small SC70-5 package
n Extended Temperature range (−40˚C to 85˚C)
n Ultra Low Quiescent current (1µA typ)
Applications
n Low battery voltage detector
n Power Fail Indicator
n Processor Reset Generator
n Battery Backup Control
n Battery Operated Equipment
n Hand-held Instruments
IN
Range: 0.8V to 7.0V
20020001
20020003
www.national.com
March 2001

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lms33460mgx Summary of contents

Page 1

... This part uses a precision on-chip voltage reference and a comparator to measure the input voltage. Built in hysteresis helps to prevent erratic operation in the presence of noise. The UVD is available in the ultra-miniature SC70-5 package. Circuit Block Diagram Typical Application © 2004 National Semiconductor Corporation Features n Ultra low Power n 3.0V detection n V Range: 0.8V to 7.0V ...

Page 2

... Typical Application (Continued) Connection Diagram Ordering Information Package Part Number 5-Pin SC70-5 LMS33460MG LMS33460MGX www.national.com SC70-5 20020002 Top View Package Marking Transport Media C33 1k Units Tape and Reel 3k Units Tape and Reel 2 20020003 NSC Drawing MAA05A ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage to GND Output Voltage to GND Output Continuous Output Current Vapor Phase IR Convection Reflow ESD Rating ...

Page 4

Typical Characteristics (T = 25˚ 470kΩ and C = 10pF unless otherwise noted). Supply Current vs. Input Voltage Output Current vs. Input Voltage www.national.com Detector Threshold vs. Temperature 20020004 Output Delay Time vs. Temperature 20020006 ...

Page 5

Application Circuit Information The LMS33460 is a micro power under voltage sensing circuit with an open drain output configuration, which re- quires a pull resistor. The LMS33460 features a voltage reference, a comparator with precise thresholds and built in hysteresis ...

Page 6

Physical Dimensions inches (millimeters) unless otherwise noted National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and ...

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