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©

Copyright 2007 National Semiconductor Corporation

3

www.national.com

LM26LV Evaluation Board User’s Guide

References

1.

“LM26LV 1.6V, LLP-6, Factory Preset Temperature Switch and Temperature Sensor”
datasheet.

The latest copy of the

LM26LV

datasheet can be obtained by going to the National

Semiconductor website

www.national.com

, by searching on “

LM26LV

”, and then

downloading the

LM26LV

.pdf file.

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Содержание LM26LV

Страница 1: ... Copyright 2007 National Semiconductor Corporation 1 www national com Revision A July 16 2007 LM26LV Evaluation Board User s Guide LM26LV Evaluation Board User s Guide ...

Страница 2: ...es 3 1 0 Introduction 4 1 1 Block Diagram 4 2 0 Quick Start 5 2 1 Quick Start Diagram 5 3 0 Functional Description 6 3 1 LM26LV Evaluation Board Connection Table 6 4 0 Electrical and Mechanical Specifications 7 4 1 Electrical Specifications 7 4 2 Electrical Schematic 7 4 3 Evaluation Board Layout 8 4 4 Bill of Materials 9 4 5 Mechanical Specifications 9 ...

Страница 3: ... User s Guide References 1 LM26LV 1 6V LLP 6 Factory Preset Temperature Switch and Temperature Sensor datasheet The latest copy of the LM26LV datasheet can be obtained by going to the National Semiconductor websitewww national com by searching on LM26LV and then downloading the LM26LV pdf file ...

Страница 4: ...er can use the TRIP TEST mode Note that R1 is only in the circuit for protection This resistor is not required in actual operation The TRIP TEST Pin can be connected directly to VDD to select the TRIP TEST Mode R2 the pull up resistor for the open drain output OVERTEMP is 100k on the board See the datasheet for more details about this value If this pin is not used by the customer it may be left op...

Страница 5: ...ormal operation Apply power to the LM26LV evaluation board Measure the output voltage connected between to output pin J4 and ground for the VTEMP Output voltage 2 1 Quick Start Diagram J4 J3 J2 J1 J5 TRIP TEST IDD POWER IN VDD VOUT GND OT OT C3 R2 R1 C2 VOUT VDD R3 U1 GND National Semiconductor N C1 LM26LVEB Evaluation Board POWER SUPPLY TRIP TEST 1 6V to 5 5V Jumper Both J3 and J4 for Normal Oper...

Страница 6: ...tion Table Connector Label Connector Name Pin Number Description 1 VDD Supply 1 6 to 5 5 VDC to this pin J1 POWER IN 2 GND This is Power Supply return for VDD Input J2 TRIP TEST 1 2 If pins 1 and 2 are jumpered then TRIP TEST Mode is selected J3 IDD Jumper is installed unless a milliammeter is used to measure the actual IDD J4 VOUT Output Jumper is installed across pins 1 and 2 by default Otherwis...

Страница 7: ...er Requirements The Board uses the 1 6 VDC to 5 5 VDC and GND lines from an external low noise power supply 1 6 VDC to 5 5 VDC 4 2 Electrical Schematic Figure 4 2 Schematic Diagram of the LM26LV Evaluation Board Copyright 2007 National Semiconductor Corporation 7 www national com ...

Страница 8: ...4 3 Evaluation Board Layout Figure 4 3 Layout diagram of the LM26LV Evaluation Board Copyright 2007 National Semiconductor Corporation 8 www national com ...

Страница 9: ...ircuit Board Fabricated LM26LVEB Evaluation Board Rev 1 4 5 Mechanical Specifications 4 5 1 Operating Mechanical and Environmental Specifications Minimum Typical Maximum Temperature 0 C 25 C 70 C 4 5 2 Evaluation Board Basic Dimensions 1 650 in 4 191 cm 1 050 in 2 667 cm 4 5 3 Electrostatic Discharge ESD Precautions The user shall use ESD precautions as specified in National Semiconductor ESD docu...

Страница 10: ...n properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user 2 A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness BANNED SUBSTANCE COM...

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