LP3910

SNVS481M – NOVEMBER 2006 – REVISED DECEMBER 2015

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Table of Contents

7.18

Electrical Characteristics: ADC ............................. 14

1

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

7.19

2

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

7.20

USB Timing Requirements ................................... 15

3

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

7.21

Typical Characteristics ......................................... 16

4

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

8

Detailed Description ............................................ 24

5

Device Comparison Tables................................... 3

8.1

Overview ................................................................. 24

6

Pin Configuration and Functions ......................... 5

8.2

Functional Block Diagram ....................................... 26

7

Specifications......................................................... 7

8.3

Feature Description................................................. 27

7.1

Absolute Maximum Ratings ...................................... 7

8.4

Device Functional Modes........................................ 43

7.2

ESD Ratings.............................................................. 7

8.5

Programming........................................................... 50

7.3

Recommended Operating Conditions ....................... 7

8.6

Register Maps ......................................................... 53

7.4

Thermal Information .................................................. 7

9

Application and Implementation ........................ 61

7.5

Electrical Characteristics........................................... 8

9.1

Application Information............................................ 61

7.6

9.2

Typical Application .................................................. 61

7.7

Electrical Characteristics: Li-Ion Battery Charger .... 9

10

Power Supply Recommendations ..................... 68

7.8

Detection and Timing .............................................. 10

11

Layout................................................................... 68

7.9

Output Electrical Characteristics: CHG, STAT........ 10

11.1

Layout Guidelines ................................................ 68

7.10

Output Electrical Characteristics: NRST, IRQB,

11.2

Layout Example ................................................... 69

ONSTAT................................................................... 10

11.3

Thermal Performance of the WQFN Package ...... 70

7.11

Input Electrical Characteristics: USBSUSP,

USBISEL .................................................................. 11

12

Device and Documentation Support ................. 71

7.12

Input Electrical Characteristics: POWERACK,

12.1

Device Support...................................................... 71

ONOFF, LDO2EN, BUCK1EN ................................. 11

12.2

Documentation Support ........................................ 71

7.13

Electrical Characteristics: LDO1 Low Dropout Linear

12.3

Community Resources.......................................... 71

Regulators................................................................ 11

12.4

Trademarks ........................................................... 71

7.14

Electrical Characteristics: LDO2 Low Dropout Linear

12.5

Electrostatic Discharge Caution ............................ 71

Regulator.................................................................. 12

12.6

Glossary ................................................................ 71

7.15

Electrical Characteristics: Buck1 Converter ......... 12

13

Mechanical, Packaging, and Orderable

7.16

Electrical Characteristics: Buck2 Converter.......... 13

Information ........................................................... 71

7.17

Electrical Characteristics: Buck-Boost .................. 13

4 Revision History

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

Changes from Revision L (March 2013) to Revision M

Page

•

Added Device Information and Pin Configuration and Functions sections, ESD Ratings and Thermal Information

tables, Feature Description, Device Functional Modes, Application and Implementation, Power Supply

Recommendations, Layout, Device and Documentation Support, and Mechanical, Packaging, and Orderable

Information sections................................................................................................................................................................ 1

Changes from Revision K (February 2012) to Revision L

Page

•

Changed layout of National Data Sheet to TI format ........................................................................................................... 68

2

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