TPS54260-Q1_16 Datasheet, PDF (2/52 Pages) Texas Instruments – TPS54260-Q1 3.5-V to 60-V Step-Down Converter With Eco-mode

TPS54260-Q1
SLVSAH8F – DECEMBER 2010 – REVISED AUGUST 2015
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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.............................................................. 4
6.3 Recommended Operating Conditions....................... 4
6.4 Thermal Information .................................................. 5
6.5 Electrical Characteristics........................................... 5
6.6 Typical Characteristics .............................................. 7
7 Detailed Description ............................................ 11
7.1 Overview ................................................................. 11
7.2 Functional Block Diagram ....................................... 12
7.3 Feature Description................................................. 12
7.4 Device Functional Modes........................................ 25
8 Application and Implementation ........................ 29
8.1 Application Information............................................ 29
8.2 Typical Application ................................................. 29
9 Power Supply Recommendations...................... 39
10 Layout................................................................... 39
10.1 Layout Guidelines ................................................. 39
10.2 Layout Example .................................................... 40
11 Device and Documentation Support ................. 41
11.1 Community Resources.......................................... 41
11.2 Trademarks ........................................................... 41
11.3 Electrostatic Discharge Caution ............................ 41
11.4 Glossary ................................................................ 41
12 Mechanical, Packaging, and Orderable
Information ........................................................... 41
4 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision E (December 2014) to Revision F
Page
• Added package information for VSON to the Device Information table ................................................................................. 1
• Added pinout drawing for DRC package (VSON) ................................................................................................................. 3
• Removed max ratings for BOOT voltage .............................................................................................................................. 4
• Added minimum output voltage for BOOT-PH ...................................................................................................................... 4
• Added thermal information for DRC (VSON) package .......................................................................................................... 5
• Updated Rth parameter definition for Equation 55 .............................................................................................................. 36
• Added Community Resources ............................................................................................................................................. 41
Changes from Revision D (January 2013) to Revision E
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 4
Changes from Revision C (May 2013) to Revision D
Page
• Changed PWRGD from 10 kΩ to 1 kΩ in Power Good (PWRGD Pin) section.................................................................... 21
Changes from Revision B (January, 2013) to Revision C
Page
• Changed Feature From: Device CDM ESD Classification Level C4B To: Device CDM ESD Classification Level C5.......... 1
• Changed the CDM From: Classification Level C4B, 750 V To: Classification Level C5, 1000 V .......................................... 4
Changes from Revision A (April, 2011) to Revision B
Page
• Added AEC-Q100 ESD ratings to Features section............................................................................................................... 1
• Updated ESD ratings rows in Abs Max table. ....................................................................................................................... 4
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