Datenblatt-Suchmaschine für elektronische Bauteile |
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ADP1650ACBZ-R7 Datenblatt(PDF) 2 Page - Analog Devices |
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ADP1650ACBZ-R7 Datenblatt(HTML) 2 Page - Analog Devices |
2 / 32 page ADP1650 Rev. 0 | Page 2 of 32 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 I2C-Compatible Interface Timing Specifications ..................... 5 Absolute Maximum Ratings............................................................ 6 Thermal Data ................................................................................ 6 Thermal Resistance ...................................................................... 6 ESD Caution.................................................................................. 6 Pin Configurations and Function Descriptions ........................... 7 Typical Performance Characteristics ............................................. 8 Theory of Operation ...................................................................... 12 White LED Driver ...................................................................... 12 Modes of Operation ................................................................... 12 Assist Light .................................................................................. 13 Flash Mode .................................................................................. 13 Assist to Flash Operation .......................................................... 13 Torch Mode ................................................................................. 13 Torch-to-Flash Mode ................................................................. 14 TxMASK Operation................................................................... 14 Frequency Foldback ................................................................... 14 Indicator LED Driver................................................................. 14 Low Battery LED Current Foldback ........................................ 14 Programmable Battery DC Current Limit.............................. 15 Analog-to-Digital Converter Operation................................. 15 5 V Output Operation ............................................................... 17 Safety Features................................................................................. 18 Short-Circuit Fault ..................................................................... 18 Overvoltage Fault ....................................................................... 18 Dynamic Overvoltage Mode (DOVP)..................................... 18 Timeout Fault.............................................................................. 18 Overtemperature Fault .............................................................. 18 Indicator LED Fault ................................................................... 18 Current Limit.............................................................................. 18 Input Undervoltage .................................................................... 18 Soft Start ...................................................................................... 18 Reset Using the Enable (EN) Pin ............................................. 18 Clearing Faults............................................................................ 18 I2C Interface ................................................................................ 19 I2C Register Map............................................................................. 20 Applications Information .............................................................. 26 External Component Selection ................................................ 26 PCB Layout...................................................................................... 28 Outline Dimensions....................................................................... 29 Ordering Guide .......................................................................... 29 REVISION HISTORY 4/10—Revision 0: Initial Version |
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