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ADP2138CB-1.5EVALZ Datasheet(PDF) 2 Page - Analog Devices |
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ADP2138CB-1.5EVALZ Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page ADP2138/ADP2139 Data Sheet Rev. C | Page 2 of 20 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Typical Applications Circuit............................................................ 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Input and Output Capacitor, Recommended Specifications.. 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ............................................. 6 Theory of Operation ...................................................................... 11 Control Scheme .......................................................................... 11 PWM Mode................................................................................. 11 Power Save Mode........................................................................ 11 Enable/Shutdown ....................................................................... 11 Short-Circuit Protection............................................................ 12 Undervoltage Lockout ............................................................... 12 Thermal Protection.................................................................... 12 Soft Start ...................................................................................... 12 Current Limit.............................................................................. 12 100% Duty Operation................................................................ 12 Discharge Switch ........................................................................ 12 Applications Information .............................................................. 13 ADIsimPower Design Tool ....................................................... 13 External Component Selection ................................................ 13 Thermal Considerations............................................................ 14 PCB Layout Guidelines.............................................................. 14 Evaluation Board ............................................................................ 15 Evaluation Board Layout........................................................... 15 Outline Dimensions....................................................................... 16 Ordering Guide .......................................................................... 17 REVISION HISTORY 1/13—Rev. B to Rev. C Change to Figure 18, Caption ........................................................ 8 Change to Figure 28, Caption ....................................................... 10 6/12—Rev. A to Rev. B Change to Features Section ............................................................. 1 Added ADIsimPower Design Tool Section................................. 13 Changes to Ordering Guide .......................................................... 17 4/11—Rev. 0 to Rev. A Change to Features Section ............................................................. 1 Added Figure 32, Renumbered Figures Sequentially ................ 10 Changes to Ordering Guide .......................................................... 16 1/11—Revision 0: Initial Version |
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