ADP225 Analog Devices, ADP225 Datasheet - Page 2
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ADP225
Manufacturer Part Number
ADP225
Description
Dual, 300 mA Adjustable Output, QOD, Low Noise, High PSRR Voltage Regulator
Manufacturer
Analog Devices
Datasheet
1.ADP222.pdf
(24 pages)
ADP222/ADP223/ADP224/ADP225
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Typical Application Circuits ............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
REVISION HISTORY
8/11—Rev. A to Rev. B
Changes to Features and General Descriptions Sections ............ 1
Added Figure 64; Renumbered Sequentially .............................. 17
Changes to Theory of Operation Section .................................... 17
Changes to Output Capacitor Section ......................................... 18
Changes to Paralleling Outputs to Increase Output
Current Section ............................................................................... 19
Updated Outline Dimensions ....................................................... 23
Input and Output Capacitor, Recommended Specifications .. 4
Thermal Data ................................................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Rev. B | Page 2 of 24
Typical Performance Characteristics ..............................................7
Theory of Operation ...................................................................... 17
Applications Information .............................................................. 18
Outline Dimensions ....................................................................... 23
7/11—Rev. 0 to Rev. A
Added ADP222, ADP224, and ADP225 ......................... Universal
Changes to Features Section, Applications Section,
General Description Section, and Figure 2 .................................... 1
Changes to Table 1 ............................................................................. 3
Added Figure 4; Renumbered Sequentially ................................... 6
Changes to Table 5 ............................................................................. 6
Changes to Typical Performance Characteristics Section ........... 7
Changes to Theory of Operation Section and Figure 62 .......... 17
Added Figure 63 ............................................................................. 17
Added Quick Output Discharge (QOD) Function Section
Added Figure 70 ............................................................................. 20
2/11—Revision 0: Initial Version
Capacitor Selection .................................................................... 18
Enable Feature ............................................................................ 19
Paralleling Outputs to Increase Output Current .................... 19
Quick Output Discharge (QOD) Function ............................ 19
Current Limit and Thermal Overload Protection ................. 20
Thermal Considerations ............................................................ 20
Printed Circuit Board Layout Considerations........................ 22
Ordering Guide .......................................................................... 23
Data Sheet