Analog Devices ADP1660 Evaluation Board ADP1660CB-EVALZ ADP1660CB-EVALZ Ficha De Dados

Códigos do produto

ADP1660CB-EVALZ

ADP1660

Data Sheet

Rev. 0 | Page 2 of 28

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

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

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

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

Recommended Specifications: Input and Output Capacitance

and Inductance ............................................................................. 4

C-Compatible Interface Timing Specifications ..................... 5

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

Thermal Data ................................................................................ 6

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

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

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

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

Theory of Operation ...................................................................... 10

White LED Driver ...................................................................... 10

Modes of Operation ................................................................... 10

Assist Light Mode ....................................................................... 11

Flash Mode .................................................................................. 11

Assist to Flash Mode .................................................................. 12

Torch Mode ................................................................................. 12

Torch to Flash Mode .................................................................. 12

TxMASK Operation ................................................................... 12

Independent Trigger Modes ...................................................... 13

Fixed 5 V Output Mode ............................................................. 13

Frequency Foldback ................................................................... 13

Low Battery LED Current Foldback ........................................ 13

Battery Input DC Current Limit .............................................. 14

Fixed 5 V Output Mode with Torch ........................................ 15

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

Short-Circuit Fault ..................................................................... 16

Overvoltage Fault ....................................................................... 16

Dynamic Overvoltage Protection Mode ................................. 16

Timeout Fault .............................................................................. 16

Overtemperature Fault .............................................................. 16

Current Limit .............................................................................. 16

Input Undervoltage .................................................................... 16

Soft Start ...................................................................................... 16

Reset Using the Enable (EN) Pin ............................................. 16

Clearing Faults ............................................................................ 16

C Interface .................................................................................... 17

Applications Information .............................................................. 24

External Component Selection ................................................ 24

PCB Layout ...................................................................................... 25

Outline Dimensions ....................................................................... 26

Ordering Guide .......................................................................... 26

REVISION HISTORY

10/12—Revision 0: Initial Version