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TPS62400-Q1 Datasheet(PDF) 2 Page - Texas Instruments

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No. de pieza TPS62400-Q1
Descripción Electrónicos  2.25-MHz 400-mA and 600-mA Dual Step-Down Converter
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Fabricante Electrónico  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS62400-Q1 Datasheet(HTML) 2 Page - Texas Instruments

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TPS62400-Q1, TPS62402-Q1, TPS62404-Q1, TPS62405-Q1
SLVSA67E – FEBRUARY 2010 – REVISED JUNE 2015
www.ti.com
Table of Contents
9.3
Feature Description................................................. 13
1
Features .................................................................. 1
9.4
Device Functional Modes........................................ 14
2
Applications ........................................................... 1
9.5
Programming........................................................... 16
3
Description ............................................................. 1
10
Application and Implementation........................ 23
4
Revision History..................................................... 2
10.1
Application Information.......................................... 23
5
Device Comparison Table..................................... 4
10.2
Typical Application ............................................... 23
6
Pin Configuration and Functions ......................... 5
10.3
System Examples ................................................ 30
7
Specifications......................................................... 6
11
Power Supply Recommendations ..................... 32
7.1
Absolute Maximum Ratings ...................................... 6
12
Layout................................................................... 33
7.2
ESD Ratings ............................................................ 6
12.1
Layout Guidelines ................................................. 33
7.3
Recommended Operating Conditions ....................... 6
12.2
Layout Example .................................................... 33
7.4
Thermal Information .................................................. 6
13
Device and Documentation Support ................. 34
7.5
Electrical Characteristics........................................... 7
13.1
Device Support...................................................... 34
7.6
Timing Requirements ............................................... 8
13.2
Related Links ........................................................ 34
7.7
Switching Characteristics .......................................... 8
13.3
Community Resource............................................ 34
7.8
Typical Characteristics .............................................. 9
13.4
Trademarks ........................................................... 34
8
Parameter Measurement Information ................ 10
13.5
Electrostatic Discharge Caution ............................ 34
9
Detailed Description ............................................ 11
13.6
Glossary ................................................................ 34
9.1
Overview ................................................................. 11
14
Mechanical, Packaging, and Orderable
9.2
Functional Block Diagram ....................................... 12
Information ........................................................... 34
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision D (October 2014) to Revision E
Page
Changed the Handling Ratings table to the ESD Ratings table and move storage temperature to the Absolute
Maximum Ratings table ......................................................................................................................................................... 6
Changed test conditions and MIN, TYP, and MAX values for the TPS62405-Q1 oscillator frequency in the Switching
Characteristics table .............................................................................................................................................................. 8
Changes from Revision C (October 2014) to Revision D
Page
Changed oscillator specification from 1.6 MHz to 2 MHz minimum switching frequency and to 1.7 MHz for VIN≤ 3 V......... 8
Changes from Revision B (May 2013) to Revision C
Page
Changed the data sheet to meet the new TI standard format................................................................................................ 1
Changed the VDEF_1H and VDEF_1L Test Conditions ................................................................................................................ 7
Changed fSW 2.5 V ≤ VIN ≤ 6 V MIN value From: 2 MHz to 1.6 MHz ..................................................................................... 8
Added fSW with Test Conditions 3.25 V ≤ VIN ≤ 6 V................................................................................................................ 8
Changes from Revision A (March, 2013) to Revision B
Page
Changed TPS62405-Q1, OUT1 from DEF_1 = High 1.9 V to DEF_1 = High 1.925 V and DEF_1 = Low 1.575 V to
DEF_1 = Low 1.215 V. Changed OUT2 from Fixed default 5 V to Fixed default 3.35 V. ..................................................... 4
Added the part number to the Device column of Table 1..................................................................................................... 17
Added 1.215 (default TPS62405-Q1) in row 16, Table 4. .................................................................................................... 20
Added part number to Table 4.............................................................................................................................................. 20
Removed TPS62405-Q1 from Table 4. ................................................................................................................................ 20
Added 1.925 (default TPS62405-Q1) in row 31, Table 4. ................................................................................................... 20
2
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Product Folder Links: TPS62400-Q1 TPS62402-Q1 TPS62404-Q1 TPS62405-Q1


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