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TPS61160, TPS61161

SLVS791E – NOVEMBER 2007 – REVISED JULY 2016

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Product Folder Links: TPS61160 TPS61161

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Copyright © 2007–2016, 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 .................................................. 5

6.5

Electrical Characteristics........................................... 6

6.6

Timing Requirements ............................................... 7

6.7

Typical Characteristics .............................................. 8

7

Detailed Description ............................................ 11

7.1

Overview ................................................................. 11

7.2

Functional Block Diagram ....................................... 11

7.3

Feature Description................................................. 11

7.4

Device Functional Modes........................................ 13

7.5

Programming........................................................... 15

8

Application and Implementation Information ... 19

8.1

Application Information............................................ 19

8.2

Typical Applications ............................................... 19

9

Power Supply Recommendations ...................... 28

10

Layout................................................................... 29

10.1

Layout Guidelines ................................................. 29

10.2

Layout Example .................................................... 29

10.3

Thermal Considerations ........................................ 29

11

Device and Documentation Support ................. 30

11.1

Device Support...................................................... 30

11.2

Documentation Support ........................................ 30

11.3

Related Links ........................................................ 30

11.4

Receiving Notification of Documentation Updates 30

11.5

Community Resources.......................................... 30

11.6

Trademarks ........................................................... 30

11.7

Electrostatic Discharge Caution ............................ 30

11.8

Glossary ................................................................ 31

12

Mechanical, Packaging, and Orderable

Information ........................................................... 31

4 Revision History

NOTE: Page numbers for previous revisions may differ from page numbers in the current version.

Changes from Revision D (June 2015) to Revision E

Page

•

Changed package name from "SON" to "WSON" throughout document .............................................................................. 1

•

Changes from Revision C (April 2012) to Revision D

Page

•

Added Pin Configuration and Functions section, ESD Rating table, Feature Description , Device Functional Modes,

Application and Implementation, Power Supply Recommendations, Dos and Don'ts, Layout, Device and

Documentation Support , and Mechanical, Packaging, and Orderable Information sections; change package name

from QFN to SON; remove Ordering Information table - info duplicated in POA................................................................... 1

•

Deleted Dissipation Ratings table - replaced by updated Thermal Information. ................................................................... 5

•

Added paragraph re: not using EasyScale to change feedback voltage from 0 mV............................................................ 14

Changes from Revision B (July 2011) to Revision C

Page

•

Changed the Maximum duty cycle MIN value From: 90% To: 93% and the TYP value From: 93% To: 95% ...................... 6

•

Changes from Revision A (September 2008) to Revision B

Page

•

Changed Features item From: 26V Open LED Protection for 6 LEDs (TPS61160) To: 26-V Open LED Protection

(TPS61160) ............................................................................................................................................................................ 1

•

Changed Features item From: 38V Open LED Protection for 10 LEDs (TPS61161) To: 38-V Open LED Protection

(TPS61161) ............................................................................................................................................................................ 1

•

; added 38V max to Typical Application diagram; . ............................................................................................................... 1

•

Changed the COMP and CTRL Description in the Terminal Function Table......................................................................... 4

•

Changed text to clarify the "Open LED Protection" description. .......................................................................................... 12