ADP2503-2.8-EVALZ Analog Devices Inc, ADP2503-2.8-EVALZ Datasheet - Page 2
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ADP2503-2.8-EVALZ
Manufacturer Part Number
ADP2503-2.8-EVALZ
Description
BOARD EVALUATION ADP2503 2.8V
Manufacturer
Analog Devices Inc
Specifications of ADP2503-2.8-EVALZ
Main Purpose
DC/DC, Step Up or Down
Outputs And Type
1, Non-Isolated
Power - Output
1.68W
Voltage - Output
2.8V
Current - Output
600mA
Voltage - Input
2.5 ~ 5.5V
Regulator Topology
Buck-Boost
Frequency - Switching
2.5MHz
Board Type
Fully Populated
Utilized Ic / Part
ADP2503
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
ADP2503/ADP2504
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Typical Application Circuit ............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 4
Pin Configuration and Function Descriptions ............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 11
REVISION HISTORY
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
Thermal Data ................................................................................ 4
Thermal Resistance ...................................................................... 4
ESD Caution .................................................................................. 4
Power Save Mode ........................................................................ 11
Rev. A | Page 2 of 16
Applications Information .............................................................. 13
PCB Layout Guidelines .................................................................. 15
Outline Dimensions ....................................................................... 16
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
Soft Start ...................................................................................... 11
SYNC Function ........................................................................... 11
Enable ........................................................................................... 11
Undervoltage Lockout ............................................................... 12
Thermal Shutdown .................................................................... 12
Short-Circuit Protection ............................................................ 12
Reverse Current Limit ............................................................... 12
Inductor Selection ...................................................................... 13
Output Voltage Programming .................................................. 14
Ordering Guide .......................................................................... 16