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LP3470A

SNVSBF5C – JULY 2019 – REVISED MAY 2020

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Copyright © 2019–2020, Texas Instruments Incorporated

Table of Contents

1

Features .................................................................. 1

2

Applications ........................................................... 1

3

Description ............................................................. 1

4

Revision History..................................................... 2

5

Device Comparison Table..................................... 3

6

Pin Configuration and Functions ......................... 4

7

Specifications......................................................... 5

7.1

Absolute Maximum Ratings ...................................... 5

7.2

ESD Ratings ............................................................ 5

7.3

Recommended Operating Conditions ....................... 5

7.4

Thermal Information .................................................. 5

7.5

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

7.6

Timing Requirements ................................................ 6

7.7

Typical Characteristics ............................................. 7

8

Detailed Description .............................................. 9

8.1

Overview ................................................................... 9

8.2

Functional Block Diagram ......................................... 9

8.3

Feature Description................................................... 9

8.4

Device Functional Modes........................................ 11

9

Application and Implementation ........................ 12

9.1

Application Information............................................ 12

9.2

Typical Application ................................................. 12

10

Power Supply Recommendations ..................... 14

11

Layout................................................................... 14

11.1

Layout Guidelines ................................................. 14

11.2

Layout Example .................................................... 14

12

Device and Documentation Support ................. 15

12.1

Receiving Notification of Documentation Updates 15

12.2

Support Resources ............................................... 15

12.3

Trademarks ........................................................... 15

12.4

Electrostatic Discharge Caution ............................ 15

12.5

Glossary ................................................................ 15

13

Mechanical, Packaging, and Orderable

Information ........................................................... 15

4 Revision History

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

Changes from Revision B (November 2019) to Revision C

Page

•

Changed Figure 12 caption to 0.01 µF................................................................................................................................. 13

Changes from Revision A (October 2019) to Revision B

Page

•

Changed Ultra-low quiescent current 0.35 to 0.3 to align with the Electrical Characteristics table ....................................... 1

•

Changed the typical value of ICC in the Electrical Characteristics table from 300 to 0.3 to match with the units of µA......... 6

Changes from Original (July 2019) to Revision A

Page

•

Initial Public Release ............................................................................................................................................................. 1