Datasheet

TPS54528
SLVSAY4C –JULY 2011–REVISED MARCH 2014 www.ti.com
Table of Contents
8.3 Feature Description................................................... 9
1 Features.................................................................. 1
8.4 Device Functional Modes........................................ 10
2 Applications ........................................................... 1
9 Applications and Implementation ...................... 12
3 Description ............................................................. 1
9.1 Application Information............................................ 12
4 Simplified Schematic............................................. 1
9.2 Typical Application ................................................. 12
5 Revision History..................................................... 2
10 Power Supply Recommendations ..................... 15
6 Terminal Configuration and Functions................ 3
11 Layout................................................................... 15
7 Specifications......................................................... 4
11.1 Layout Guidelines ................................................. 15
7.1 Absolute Maximum Ratings ...................................... 4
11.2 Layout Example .................................................... 16
7.2 Handling Ratings....................................................... 4
11.3 Thermal Information.............................................. 17
7.3 Recommended Operating Conditions....................... 4
12 Device and Documentation Support ................. 18
7.4 Thermal Information ................................................. 5
12.1 Documentation Support ........................................ 18
7.5 Electrical Characteristics........................................... 5
12.2 Trademarks ........................................................... 18
7.6 Timing Requirements - On-Time Timer Control........ 6
12.3 Electrostatic Discharge Caution............................ 18
7.7 Typical Characteristics.............................................. 6
12.4 Glossary ................................................................ 18
8 Detailed Description .............................................. 9
13 Mechanical, Packaging, and Orderable
8.1 Overview ................................................................... 9
Information ........................................................... 18
8.2 Functional Block Diagram ......................................... 9
5 Revision History
NOTE: Page numbers for previous revisions may differ from page numbers in the current version.
Changes from Revision B (May 2012) to Revision C Page
• Formatted data sheet to meet new template requirements ................................................................................................... 1
• Added Table of Contents, and moved Revision History to page 2. ...................................................................................... 3
• Moved ABS Max, Handling Ratings, ROC, Thermal Info, and Electrical Characteristics tables to the new
"Specifications" section. ......................................................................................................................................................... 4
• Added Maximum Power Dissipation graph............................................................................................................................. 8
• Added "Power Supply Recommendations" section ............................................................................................................. 15
• Added "Device and Documentation Support" section ......................................................................................................... 18
Changes from Revision A (January 2012) to Revision B Page
• Changed t
OFF(MIN)
From: 310 ns To: 330 ns............................................................................................................................ 6
Changes from Original (July 2011) to Revision A Page
• Added CONDITIONS statement at the Typical Characteristics section heading ................................................................... 6
• Changed 2-µA to 6µA in Soft Start and Pre-Biased Soft Start subsection and denominator in equation 2....................... 9
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