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TPS54295PWP Fiches technique(PDF) 2 Page - Texas Instruments

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No de pièce TPS54295PWP
Description  TPS54295 2-A Dual Channel Synchronous Step-Down Switcher With Integrated FET
Download  34 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

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TPS54295
SLVSB01D – OCTOBER 2011 – REVISED AUGUST 2016
www.ti.com
Product Folder Links: TPS54295
Submit Documentation Feedback
Copyright © 2011–2016, Texas Instruments Incorporated
Table of Contents
1
Features .................................................................. 1
2
Applications ........................................................... 1
3
Description ............................................................. 1
4
Revision History..................................................... 2
5
Pin Configuration and Functions ......................... 4
6
Specifications......................................................... 5
6.1
Absolute Maximum Ratings ...................................... 5
6.2
ESD Ratings.............................................................. 5
6.3
Recommended Operating Conditions ....................... 5
6.4
Thermal Information .................................................. 6
6.5
Electrical Characteristics........................................... 6
6.6
Typical Characteristics .............................................. 8
7
Detailed Description ............................................ 11
7.1
Overview ................................................................. 11
7.2
Functional Block Diagram ....................................... 12
7.3
Feature Description................................................. 13
7.4
Device Functional Modes........................................ 14
8
Application and Implementation ........................ 15
8.1
Application Information............................................ 15
8.2
Typical Application .................................................. 15
9
Power Supply Recommendations ...................... 19
10
Layout................................................................... 19
10.1
Layout Guidelines ................................................. 19
10.2
Layout Example .................................................... 20
10.3
Thermal Considerations ........................................ 22
11
Device and Documentation Support ................. 23
11.1
Device Support...................................................... 23
11.2
Documentation Support ........................................ 23
11.3
Receiving Notification of Documentation Updates 23
11.4
Community Resources.......................................... 23
11.5
Trademarks ........................................................... 23
11.6
Electrostatic Discharge Caution ............................ 23
11.7
Glossary ................................................................ 23
12
Mechanical, Packaging, and Orderable
Information ........................................................... 23
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision C (April 2013) to Revision D
Page
Added Device Information table, Specifications section, ESD Ratings 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
Deleted Ordering Information table; see POA at the end of the data sheet........................................................................... 1
Deleted Operating ambient temperature from Absolute Maximum Ratings table .................................................................. 5
Deleted Operating ambient temperature from Recommended Operating Conditions table................................................... 5
Changed Operating junction temperature maximum value from 150 to 125 in Recommended Operating Conditions table 5
Changes from Revision B (December 2011) to Revision C
Page
Added the RSA-16 Pin package to the Ordering Information table........................................................................................ 1
Changed the Description text to include the RSA package ................................................................................................... 1
Added the RSA-16 Pin package pin out................................................................................................................................. 4
Added Figure 26 ................................................................................................................................................................... 21
Changes from Revision A (October 2011) to Revision B
Page
Deleted MIN and MAX values from VVREG5 specification........................................................................................................ 6
Deleted Line and Load regulation specs from VREG5 specification......................................................................................... 6
Added "Ensured by design. Not production tested" annotation to specifications for MOSFETs, ON-TIME TIMER
CONTROl, and SOFT START................................................................................................................................................ 6
Deleted MIN and MAX values from VUVREG5 specification...................................................................................................... 6
Added "VIN = 12 V, TA = 25°C (unless otherwise noted)" to Typical Characteristics conditions statement. ......................... 8


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