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LM26LV Datasheet Preview

LM26LV Datasheet

WSON-6 Factory Preset Temperature Switch and Temperature Sensor

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LM26LV, LM26LV-Q1
SNIS144G – JULY 2007 – REVISED SEPTEMBER 2016
LM26LV and LM26LV-Q1 1.6-V, WSON-6 Factory Preset Temperature Switch and
Temperature Sensor
1 Features
1 Low 1.6-V Operation
• Low Quiescent Current
• Latching Function: Device Can Latch the Over
Temperature Condition
• Push-Pull and Open-Drain Temperature Switch
Outputs
• Wide Trip Point Range of 0°C to 150°C
• Very Linear Analog VTEMP Temperature Sensor
Output
• VTEMP Output Short-Circuit Protected
• Accurate Over –50°C to 150°C Temperature
Range
• Excellent Power Supply Noise Rejection
• LM26LVQISD-130 and LM26LVQISD-135 are
AEC-Q100 Qualified and are Manufactured on an
Automotive Grade Flow:
– Device Temperature Grade 0: –40°C to 150°C
Ambient Operating Temperature Range
– Device HBM ESD Classification Level 3 A
– Device CDM ESD Classification Level C6
– Device MM ESD Classification Level M3
2 Applications
• Cell Phones and Wireless Transceivers
• Digital Cameras
• Battery Management Systems
• Automotive Applications
• Disk Drives
• Games and Appliances
Redundant Protection and Monitoring
3 Description
The LM26LV and LM26LV-Q1 are low-voltage,
precision, dual-output, low-power temperature
switches and temperature sensors. The temperature
trip point (TTRIP) can be preset at the factory to any
temperature in the range of 0°C to 150°C in 1°C
increments. Built-in temperature hysteresis (THYST)
keeps the output stable in an environment of
temperature instability.
In normal operation the LM26LV or LM26LV-Q1
temperature switch outputs assert when the die
temperature exceeds TTRIP. The temperature switch
outputs will reset when the temperature falls below a
temperature equal to (TTRIP – THYST). The
OVERTEMP digital output, is active-high with a push-
pull structure, while the OVERTEMP digital output, is
active-low with an open-drain structure.
The analog output, VTEMP, delivers an analog output
voltage with Negative Temperature Coefficient (NTC).
Driving the TRIP_TEST input high causes the digital
outputs to be asserted for in-situ verification and
causes the threshold voltage to appear at the VTEMP
output pin, which could be used to verify the
temperature trip point.
The LM26LV's and LM26LV-Q1's low minimum
supply voltage makes them ideal for 1.8-V system
designs. The wide operating range, low supply
current, and excellent accuracy provide a
temperature switch solution for a wide range of
commercial and industrial applications.
Device Information(1)
PART NUMBER
PACKAGE
BODY SIZE (NOM)
LM26LV, LM26LV-Q1 WSON (6)
2.20 mm × 2.50 mm
(1) For all available packages, see the orderable addendum at
the end of the data sheet.
Typical Transfer Characteristic
VDD Supply
(+1.6V to +5.5V)
Example: 2 to 3
Battery Cells
VDD
VTEMP
LM26LV
Analog
OVERTEMP
OVERTEMP
TRIP TEST
GND
ADC Input
Microcontroller
Copyright © 2016, Texas Instruments Incorporated
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.




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LM26LV Datasheet Preview

LM26LV Datasheet

WSON-6 Factory Preset Temperature Switch and Temperature Sensor

No Preview Available !

LM26LV, LM26LV-Q1
SNIS144G – JULY 2007 – REVISED SEPTEMBER 2016
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Pin Configuration and Functions ......................... 3
6 Specifications......................................................... 4
6.1 Absolute Maximum Ratings ...................................... 4
6.2 ESD Ratings: LM26LV .............................................. 4
6.3 ESD Ratings: LM26LV-Q1 ........................................ 4
6.4 Recommended Operating Conditions....................... 4
6.5 Thermal Information .................................................. 5
6.6 Electrical Characteristics........................................... 5
6.7 Switching Characteristics .......................................... 6
6.8 Accuracy Characteristics........................................... 7
6.9 Typical Characteristics .............................................. 9
7 Detailed Description ............................................ 12
7.1 Overview ................................................................. 12
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 13
7.4 Device Functional Modes........................................ 21
8 Application and Implementation ........................ 23
8.1 Application Information............................................ 23
8.2 Typical Application .................................................. 23
9 Power Supply Recommendations...................... 25
9.1 Power Supply Noise Immunity ................................ 25
10 Layout................................................................... 25
10.1 Layout Guidelines ................................................. 25
10.2 Layout Example .................................................... 26
11 Device and Documentation Support ................. 27
11.1 Documentation Support ........................................ 27
11.2 Related Links ........................................................ 27
11.3 Receiving Notification of Documentation Updates 27
11.4 Community Resources.......................................... 27
11.5 Trademarks ........................................................... 27
11.6 Electrostatic Discharge Caution ............................ 27
11.7 Glossary ................................................................ 27
12 Mechanical, Packaging, and Orderable
Information ........................................................... 27
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision F (February 2013) to Revision G
Page
• Added Device Information table, Pin Configuration and Functions section, Specifications section, ESD Ratings table,
Thermal Information table, Switching Characteristics table, Detailed Description section, Application and
Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation
Support section, and Mechanical, Packaging, and Orderable Information section................................................................ 1
• Updated values in the Thermal Information table to align with JEDEC standards................................................................. 5
Changes from Revision E (February 2013) to Revision F
Page
• Changed layout of National Semiconductor Data Sheet to TI format .................................................................................... 1
2
Submit Documentation Feedback
Copyright © 2007–2016, Texas Instruments Incorporated
Product Folder Links: LM26LV LM26LV-Q1


Part Number LM26LV
Description WSON-6 Factory Preset Temperature Switch and Temperature Sensor
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