ADP1653

Data Sheet

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

General Description ......................................................................... 1

Typical Operating Circuit................................................................ 1

PCB Layout........................................................................................ 1

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

Specifications..................................................................................... 3

I2C Timing Specifications............................................................ 5

Absolute Maximum Ratings............................................................ 6

Thermal Resistance ...................................................................... 6

Boundary Condition.................................................................... 6

ESD Caution.................................................................................. 6

Pin Configuration and Function Descriptions............................. 7

Typical Performance Characteristics ..............................................9

Theory of Operation ...................................................................... 13

White LED Driver...................................................................... 13

2-Bit Logic Interface Mode (INTF = 1)................................... 14

I2C Interface Mode (INTF = 0)................................................. 14

Turning on the Flash and Watchdog Timer ........................... 15

Safety Features ............................................................................ 16

Applications Information .............................................................. 17

Flash Current Foldback During Transmit Pulse.................... 17

External Component Selection ................................................ 18

PCB Layout ................................................................................. 20

Outline Dimensions....................................................................... 22

Ordering Guide .......................................................................... 22

REVISION HISTORY

4/2017—Rev. B to Rev. C

Changed CP-16-3 to CP-16-27 .................................... Throughout

Changes to Figure 2.......................................................................... 1

Changes to Figure 4 and Table 5..................................................... 7

Changes to Figure 34...................................................................... 20

Updated Outline Dimensions....................................................... 22

Changes to Ordering Guide .......................................................... 22

9/2007—Rev. A to Rev. B

Changes to Table 1............................................................................ 3

Changes to Table 5............................................................................ 7

Changes to Safety Features Section.............................................. 16

Inserted Table 9 and Table 10........................................................ 18

Inserted Table 11 and Table 12...................................................... 19

1/2007—Revision A: Initial Version