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SS24 数据表(PDF) 2 Page - Analog Devices |
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SS24 数据表(HTML) 2 Page - Analog Devices |
2 / 28 page ADP2300/ADP2301 Rev. 0 | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Typical Applications Circuit............................................................ 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ............................................. 6 Functional Block Diagram ............................................................ 13 Theory of Operation ...................................................................... 14 Basic Operation .......................................................................... 14 PWM Mode................................................................................. 14 Power Saving Mode.................................................................... 14 Bootstrap Circuitry .................................................................... 14 Precision Enable ......................................................................... 14 Integrated Soft Start ................................................................... 14 Current Limit .............................................................................. 14 Short-Circuit Protection............................................................ 15 Undervoltage Lockout (UVLO) ............................................... 15 Thermal Shutdown .................................................................... 15 Control Loop............................................................................... 15 Applications Information .............................................................. 16 Programming the Output Voltage ........................................... 16 Voltage Conversion Limitations............................................... 16 Low Input Voltage Considerations .......................................... 17 Programming the Precision Enable ......................................... 17 Inductor ....................................................................................... 18 Catch Diode ................................................................................ 19 Input Capacitor........................................................................... 19 Output Capacitor........................................................................ 19 Thermal Considerations............................................................ 20 Design Example .............................................................................. 21 Switching Frequency Selection................................................. 21 Catch Diode Selection ............................................................... 21 Inductor Selection ...................................................................... 21 Output Capacitor Selection....................................................... 21 Resistive Voltage Divider Selection.......................................... 22 Circuit Board Layout Recommendations ................................... 23 Typical Application Circuits ......................................................... 24 Outline Dimensions ....................................................................... 26 Ordering Guide .......................................................................... 26 REVISION HISTORY 2/10—Revision 0: Initial Version |
类似零件编号 - SS24 |
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类似说明 - SS24 |
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