ADP2118
TABLE OF CONTENTS
Features .............................................................................................. 1
Integrated Soft Start ................................................................... 14
Tracking ....................................................................................... 14
Oscillator and Synchronization................................................ 15
Current Limit and Short-Circuit Protection .......................... 15
Overvoltage Protection (OVP)................................................. 15
Undervoltage Lockout (UVLO) ............................................... 15
Thermal Shutdown .................................................................... 15
Power Good ................................................................................ 15
Applications Information .............................................................. 16
Output Voltage Selection........................................................... 16
Inductor Selection ...................................................................... 16
Output Capacitor Selection....................................................... 16
Input Capacitor Selection.......................................................... 17
Voltage Tracking......................................................................... 17
Typical Application Circuits ......................................................... 18
Outline Dimensions....................................................................... 21
Ordering Guide .......................................................................... 21
Applications....................................................................................... 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 ............................................................ 13
Theory of Operation ...................................................................... 14
Control Scheme .......................................................................... 14
PWM Mode Operation.............................................................. 14
PFM Mode Operation................................................................ 14
Slope Compensation .................................................................. 14
Enable/Shutdown ....................................................................... 14
REVISION HISTORY
7/09—Revision 0: Initial Version
Rev. 0 | Page 2 of 24
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