Datasheet

ADP5024 Data Sheet
Rev. E | Page 2 of 28
TABLE OF CONTENTS
Features .....................................................................................1
Applications...............................................................................1
General Description ..................................................................1
Typical Application Circuit........................................................1
Revision History ........................................................................2
Specifications .............................................................................3
General Specifications............................................................3
BUCK1 and BUCK2 Specifications........................................4
LDO Specifications ................................................................5
Input and Output Capacitor, Recommended Specifications ..6
Absolute Maximum Ratings ......................................................7
Thermal Resistance ................................................................7
ESD Caution ..........................................................................7
Pin Configuration and Function Descriptions...........................8
Typical Performance Characteristics .........................................9
Theory of Operation................................................................ 16
Power Management Unit ..................................................... 17
BUCK1 and BUCK2 ............................................................ 19
LDO..................................................................................... 20
Applications Information ........................................................ 21
Buck External Component Selection ................................... 21
LDO External Component Selection ................................... 23
Power Dissipation and Thermal Considerations ..................... 24
Buck Regulator Power Dissipation....................................... 24
Junction Temperature .......................................................... 25
PCB Layout Guidelines............................................................ 26
Typical Application Schematics ............................................... 27
Bill of Materials.................................................................... 27
Outline Dimensions ................................................................ 28
Ordering Guide ................................................................... 28
REVISION HISTORY
5/13—R ev. D to R ev. E
Added Table 1; Renumbered Sequentially .................................1
Changes to Figure 1 ...................................................................1
Changes to NC Pin Description.................................................8
Changes to Figure 48 ...............................................................20
Changes to Figure 50 ...............................................................22
Changes to Figure 52 and Figure 53.........................................27
1/13—R ev. C to Rev. D
Changes to Figure 9 .................................................................10
Changes to Ordering Guide .....................................................28
12/12—R ev. B to Rev. C
Changes to Ordering Guide .....................................................28
11/12—R ev. A to R ev. B
Changes to Features Section ......................................................1
Changes to Output Voltage Accuracy and Vo l t a ge Feedback
Parameters, Table 2 ....................................................................4
Changes to Output Voltage Accuracy and Voltage Feedback
Parameters, Table 3 ....................................................................5
Changes to Figure 6, Figure 7 and Figure 8................................ 9
Changes to Figure 30 and Figure 31 ........................................ 13
Changes to Figure 34 ............................................................... 14
Change to Figure 38 ................................................................ 14
Changes to Undervoltage Lockout Section .............................. 17
Changes to Buck Regulator Power Dissipation Section ........... 24
1/12—R ev. 0 to Rev. A
Changes to Features Section and Figure 1 ................................. 1
Changes to Table 2..................................................................... 4
Changes to Table 3..................................................................... 5
Changes to Table 4..................................................................... 6
Changes to Table 7..................................................................... 8
Changes to Figure 34 ............................................................... 14
Changes to LDO Section and Figure 48................................... 20
Changes to Table 9 and Figure 50 ............................................ 22
Changes to Buck Regulator Power Dissipation Section ........... 24
Changes to Figure 52 and Figure 53 ........................................ 27
8/11—Revision 0: Initial Version