ADP2384
Data Sheet
TABLE OF CONTENTS
Features .............................................................................................. 1
Thermal Shutdown .................................................................... 14
Applications Information.............................................................. 15
Input Capacitor Selection.......................................................... 15
Output Voltage Setting .............................................................. 15
Voltage Conversion Limitations............................................... 15
Inductor Selection...................................................................... 15
Output Capacitor Selection....................................................... 16
Programming the Input Voltage UVLO.................................. 17
Compensation Design ............................................................... 17
ADIsimPower Design Tool ....................................................... 17
Design Example.............................................................................. 18
Output Voltage Setting .............................................................. 18
Frequency Setting....................................................................... 18
Inductor Selection...................................................................... 18
Output Capacitor Selection....................................................... 19
Compensation Components..................................................... 19
Soft Start Time Program ........................................................... 19
Input Capacitor Selection.......................................................... 19
Recommended External Components .................................... 20
Circuit Board Layout Recommendations ................................... 21
Typical Applications Circuits........................................................ 22
Outline Dimensions....................................................................... 23
Ordering Guide .......................................................................... 23
Applications....................................................................................... 1
Typical Applications Circuit............................................................ 1
General Description......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
Functional Block Diagram ............................................................ 11
Theory of Operation ...................................................................... 12
Control Scheme .......................................................................... 12
Precision Enable/Shutdown ...................................................... 12
Internal Regulator (VREG)....................................................... 12
Bootstrap Circuitry .................................................................... 12
Oscillator ..................................................................................... 12
Synchronization.......................................................................... 12
Soft Start ...................................................................................... 13
Power Good................................................................................. 13
Peak Current-Limit and Short-Circuit Protection................. 13
Overvoltage Protection (OVP)................................................. 14
Undervoltage Lockout (UVLO) ............................................... 14
REVISION HISTORY
8/12—Revision 0: Initial Version
Rev. 0 | Page 2 of 24
ADI [ ADI ]
