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LP5907-Q1

SNVSA34E – SEPTEMBER 2014 – REVISED DECEMBER 2019

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Copyright © 2014–2019, 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

Output and Input Capacitors ..................................... 7

6.7

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

7

Detailed Description ............................................ 12

7.1

Overview ................................................................. 12

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 ...................... 18

10

Layout................................................................... 19

10.1

Layout Guidelines ................................................. 19

10.2

Layout Examples................................................... 19

11

Device and Documentation Support ................. 20

11.1

Receiving Notification of Documentation Updates 20

11.2

Community Resources.......................................... 20

11.3

Trademarks ........................................................... 20

11.4

Electrostatic Discharge Caution ............................ 20

11.5

Glossary ................................................................ 20

12

Mechanical, Packaging, and Orderable

Information ........................................................... 20

4 Revision History

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

Changes from Revision D (December 2018) to Revision E

Page

•

Changed device status from advance information to production data for DQN (X2SON) package....................................... 1

•

Changed DQN values and added RθJC(top) parameter to Thermal Information table .............................................................. 5

•

Added X2SON rows to ΔVOUT parameter in Electrical Characteristics table.......................................................................... 6

Changes from Revision C (May 2018) to Revision D

Page

•

Added DQN (X2SON) package to document as Preview ..................................................................................................... 1

•

Added Layout Example for the DQN Package figure ........................................................................................................... 19

Changes from Revision B (September 2016) to Revision C

Page

•

Added ESD classification level sub-bullets to Features section ............................................................................................ 1

•

Changed DBV values in Thermal Information table .............................................................................................................. 5

•

Deleted footnote 1 from Thermal Information table ............................................................................................................... 5

•

Added Overshoot on start-up with EN row to Electrical Characteristics table ...................................................................... 7

•

Changed Device Comparison table: changed table title, added new rows and new data, moved to new sub-section ...... 13

Changes from Revision A (June 2016) to Revision B

Page

•

Changed wording of title ........................................................................................................................................................ 1

•

Changed "Low Output Voltage Noise: < 10 µVRMS" to "Low Output Voltage Noise: < 6.5 µVRMS"......................................... 1

•

Changed items listed in Applications ..................................................................................................................................... 1

•

Changed wording of first sentence of Description ................................................................................................................. 1