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PDF LMS33460MG Data sheet ( Hoja de datos )
| Número de pieza | LMS33460MG | |
| Descripción | 3V Under Voltage Detector | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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March 2001
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.
Features
n Ultra low Power
n 3.0V detection
n VIN Range: 0.8V to 7.0V
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
Circuit Block Diagram
Typical Application
20020001
© 2004 National Semiconductor Corporation DS200200
20020003
www.national.com
1 page  
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 to prevent
erratic reset operation.
FIGURE 1. Propagation Delay
20020008
5 www.national.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet LMS33460MG.PDF ] | |
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