Datasheet

ADP5040 Data Sheet
Rev. 0 | Page 2 of 40
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
General Specifications ................................................................. 3
Buck Specifications ....................................................................... 3
LDO1, LDO2 Specifications ....................................................... 4
Input and Output Capacitor, Recommended Specifications .. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Descriptions ............................. 7
Theory of Operation ...................................................................... 25
Power Management Unit ........................................................... 25
Buck Section ................................................................................ 26
LDO Section ............................................................................... 27
Applications Information .............................................................. 29
Buck External Component Selection ....................................... 29
LDO External Component Selection ...................................... 30
Power Dissipation/Thermal Considerations ............................. 31
Application Diagram ................................................................. 33
PCB Layout Guidelines .................................................................. 34
Suggested Layout ........................................................................ 34
Bill of Materials ........................................................................... 35
Factory Programmable Options ................................................... 36
Outline Dimensions ....................................................................... 37
Ordering Guide .......................................................................... 37
REVISION HISTORY
12/11—Revision 0: Initial Version