ADP2503/ADP2504
TABLE OF CONTENTS
Features .............................................................................................. 1
Soft Start ...................................................................................... 11
SYNC Function........................................................................... 11
Enable........................................................................................... 11
Undervoltage Lockout ............................................................... 12
Thermal Shutdown .................................................................... 12
Short-Circuit Protection............................................................ 12
Reverse Current Limit ............................................................... 12
Applications Information.............................................................. 13
Inductor Selection...................................................................... 13
Output Voltage Programming.................................................. 14
PCB Layout Guidelines.................................................................. 15
Outline Dimensions....................................................................... 16
Ordering Guide .......................................................................... 16
Applications....................................................................................... 1
General Description......................................................................... 1
Typical Application Circuit ............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Thermal Data................................................................................ 4
Thermal Resistance ...................................................................... 4
ESD Caution.................................................................................. 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 11
Power Save Mode........................................................................ 11
REVISION HISTORY
6/10—Rev. A to Rev. B
Changes to Ordering Guide .......................................................... 16
8/09—Rev. 0 to Rev. A
Changes to Features Section, Figure 1, and General Description
Section................................................................................................ 1
Changes to Feedback Voltage Parameter and EN, SYNC
Leakage Current Parameter, Table 1 .............................................. 3
Changes to Table 2 and Thermal Resistance Section................... 4
Added Thermal Data Section ......................................................... 4
Changes to Figure 2 and Table 4..................................................... 5
Changes to Figure 12.........................................................................7
Changes to Figure 17.........................................................................8
Changes to SYNC Function Section............................................ 11
Changes to Undervoltage Lockout Section................................. 12
Changes to Table 6.......................................................................... 13
Added Output Voltage Programming Section ........................... 14
Added Figure 30; Renumbered Sequentially .............................. 14
Changes to Ordering Guide.......................................................... 16
10/08—Revision 0: Initial Version
Rev. B | Page 2 of 16
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