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ADP1653
TABLE OF CONTENTS
I C Timing Specifications............................................................ 5
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Typical Operating Circuit................................................................ 1
PCB Layout........................................................................................ 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
2
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
I 2 C 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
9/07—Rev. A to Rev. B
Changes to Table 1............................................................................ 3
Changes to Table 5............................................................................ 7
Changes to I 2 C Interface Mode (INTF = 0) Section .................. 14
Changes to Safety Features Section .............................................. 16
Inserted Table 9 and Table 10........................................................ 18
Inserted Table 11 and Table 12...................................................... 19
1/07—Revision A: Initial Version
Rev. B | Page 2 of 24
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