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TPS2556 Fiches technique(PDF) 2 Page - Texas Instruments

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No de pièce TPS2556
Description  Precision Automotive Adjustable Current-Limited Power-Distribution Switches
Download  28 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2556 Fiches technique(HTML) 2 Page - Texas Instruments

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TPS2556-Q1, TPS2557-Q1
SLVSC97A – MARCH 2014 – REVISED MARCH 2014
www.ti.com
Table of Contents
8.2
Functional Block Diagram ......................................... 9
1
Features .................................................................. 1
8.3
Feature Description................................................... 9
2
Application ............................................................. 1
8.4
Device Functional Modes........................................ 10
3
Description ............................................................. 1
9
Applications and Implementation ...................... 12
4
Revision History..................................................... 2
9.1
Application Information............................................ 12
5
Terminal Configuration and Functions................ 3
9.2
Typical Application, Design for Current Limit .......... 12
6
Specifications......................................................... 3
10
Power Supply Recommendations ..................... 17
6.1
Absolute Maximum Ratings ...................................... 3
11
Layout................................................................... 18
6.2
Handling Ratings....................................................... 4
11.1
Layout Guidelines ................................................. 18
6.3
Recommended Operating Conditions ....................... 4
11.2
Layout Example .................................................... 18
6.4
Thermal Information .................................................. 4
12
Device and Documentation Support ................. 19
6.5
Electrical Characteristics........................................... 5
12.1
Related Links ........................................................ 19
6.6
Switching Characteristics .......................................... 5
12.2
Trademarks ........................................................... 19
6.7
Typical Characteristics .............................................. 6
12.3
Electrostatic Discharge Caution ............................ 19
7
Parameter Measurement Information .................. 7
12.4
Glossary ................................................................ 19
8
Detailed Description .............................................. 8
13
Mechanical, Packaging, and Orderable
8.1
Overview ................................................................... 8
Information ........................................................... 20
4 Revision History
Changes from Original (March 2014) to Revision A
Page
Changed part number in Description from TPS2511-Q to TPS2511-Q1 ............................................................................... 1
Changed CURRENT LIMIT values in Electrical Characteristics table .................................................................................. 5
Changed Equation 1 ............................................................................................................................................................ 13
Revised Figure 16 graph ...................................................................................................................................................... 13
Changed Equation 2 ............................................................................................................................................................ 13
Changed resistor value from 33.2 k
Ω to 33.6 kΩ ................................................................................................................ 13
Changed Equation 3 ............................................................................................................................................................ 13
Changed Equation 4 ............................................................................................................................................................ 14
Changed current-limit threshold from 4 316 mA to 4 406 mA ............................................................................................. 14
Changed values in Table 2 .................................................................................................................................................. 15
2
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Copyright © 2014, Texas Instruments Incorporated
Product Folder Links: TPS2556-Q1 TPS2557-Q1


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