lm8364balmfx45 National Semiconductor Corporation, lm8364balmfx45 Datasheet

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lm8364balmfx45

Manufacturer Part Number
lm8364balmfx45
Description
Micropower Undervoltage Sensing Circuits
Manufacturer
National Semiconductor Corporation
Datasheet

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LM8364BALMFX45
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© 2005 National Semiconductor Corporation
LM8364
Micropower Undervoltage Sensing Circuits
General Description
The LM8364 series are micropower undervoltage sensing
circuits that are ideal for use in battery powered micropro-
cessor based systems, where extended battery life is a key
requirement.
A range of threshold voltages from 2.0V to 4.5V are available
with an active low open drain output. These devices feature
a very low quiescent current of 0.65µA typical. The LM8364
series features a highly accurate voltage reference, a com-
parator with precise thresholds and built-in hysterisis to pre-
vent erratic reset operation, and guaranteed Reset operation
down to 1.0V with extremely low standby current.
These devices are available in the space saving SOT23
5-pin surface mount package. For other undervoltage
thresholds and output options, please contact National
Semiconductor.
Functional Block Diagram
DS200659
20065907
Features
n Extremely Low Quiescent Current: 0.65µA, at V
n High Accuracy Threshold Voltage (
n Open Drain Output
n Input Voltage Range: 1V to 6V
n Surface Mount Package (5-Pin SOT23)
n Pin for pin compatible with MC33464
Applications
n Low Battery Detection
n Microprocessor reset Controller
n Power Fail Indicator
n Battery Backup Detection
Connection Diagram
2.87V
5-Pin SOT23
Top View
±
2.5%)
20065906
www.national.com
March 2005
IN
=

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lm8364balmfx45 Summary of contents

Page 1

... These devices are available in the space saving SOT23 5-pin surface mount package. For other undervoltage thresholds and output options, please contact National Semiconductor. Functional Block Diagram © 2005 National Semiconductor Corporation Features n Extremely Low Quiescent Current: 0.65µ 2.87V n High Accuracy Threshold Voltage ( ...

Page 2

... Pin Description Ordering Information Package Part Number LM8364BALMF20 LM8364BALMFX20 LM8364BALMF27 LM8364BALMFX27 LM8364BALMF30 5-Pin SOT23 LM8364BALMFX30 LM8364BALMF32 LM8364BALMFX32 LM8364BALMF45 LM8364BALMFX45 www.national.com Package Threshold Output Type Marking Open Drain, F01A 2.0V Active Low Open Drain, F15A 2.7V Active Low Open Drain, F05A 3.0V Active Low Open Drain, F16A 3 ...

Page 3

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage RESET Output Voltage RESET Output Current Storage Temperature Range Mounting Temp. Lead temp (Soldering, 10 sec) Electrical ...

Page 4

Electrical Characteristics Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is intended to be functional, but specific performance is not guaranteed. For guaranteed specifications and ...

Page 5

Typical Performance Characteristics Input Current vs. Input Voltage LM8364BALMF45 Reset Output Sink Current vs. Input Voltage LM8364BALMF45 Detector Threshold Voltage vs. Temperature LM8364BALMF45 Reset Output Voltage vs. Input Voltage 20065901 Reset Output Sink Current vs. Output Voltage 20065903 20065905 5 ...

Page 6

Application Notes The propagation delay time for the LM8364 is measured using a 470kΩ pull-up resistor connected to from the RESET output pin addition to a 10pF capacitive load con- The LM8364 ultra-low current voltage detector was ...

Page 7

Typical Applications Microprocessor Reset Circuit Dual Power Supply Undervoltage Supervision 7 20065911 20065912 www.national.com ...

Page 8

Typical Applications www.national.com (Continued) Microcontroller System Load Sensing LED Bar Graph Voltage Monitor 8 20065913 20065914 ...

Page 9

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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