ADP2442-EVALZ Analog Devices, ADP2442-EVALZ Datasheet - Page 2
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ADP2442-EVALZ
Manufacturer Part Number
ADP2442-EVALZ
Description
Power Management IC Development Tools Eval board
Manufacturer
Analog Devices
Type
DC/DC Converters, Regulators & Controllersr
Series
ADP2442r
Datasheet
1.ADP2442-EVALZ.pdf
(36 pages)
Specifications of ADP2442-EVALZ
Rohs
yes
Tool Is For Evaluation Of
ADP2442
Factory Pack Quantity
1
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Typical Circuit Configuration ......................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 7
Internal Block Diagram ................................................................. 15
Theory of Operation ...................................................................... 16
REVISION HISTORY
11/12—Revision 0: Initial Version
ADP2442
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Efficiency in Forced Fixed Frequency Mode ............................ 7
Efficiency in Pulse Skip Mode .................................................... 8
Control Architecure ................................................................... 16
Adjustable Frequency ................................................................. 17
Power Good ................................................................................. 17
Mode of Operation ..................................................................... 17
External Synchronization .......................................................... 17
Soft Start ...................................................................................... 17
Undervoltage Lockout ............................................................... 17
Precision Enable/Shutdown ...................................................... 17
Current-Limit and Short-Circuit Protection .............................. 18
Rev. 0 | Page 2 of 36
Applications Information .............................................................. 19
Design Example .............................................................................. 24
Typical Application Circuits ......................................................... 26
Power Dissipation and Thermal Considerations ....................... 31
Circuit Board Layout Recommendations ................................... 33
Outline Dimensions ....................................................................... 34
Thermal Shutdown .................................................................... 18
ADIsimPower Design Tool ....................................................... 19
Selecting the Output Voltage .................................................... 19
Setting the Switching Frequency .............................................. 19
External Component Selection ................................................ 20
Boost Capacitor .......................................................................... 22
VCC Capacitor............................................................................ 22
Loop Compensation .................................................................. 22
Large Signal Analysis of the Loop Compensation ................. 22
Configuration and Components Selection ............................. 24
System Configuration ................................................................ 25
Design Example .......................................................................... 26
Other Typical Circuit Configurations ..................................... 27
Power Dissipation....................................................................... 31
Thermal Considerations ............................................................ 31
Evaluation Board Thermal Performance ................................ 32
Ordering Guide .......................................................................... 34
Data Sheet