ADP2116-EVALZ AD [Analog Devices], ADP2116-EVALZ Datasheet - Page 2

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ADP2116-EVALZ

Manufacturer Part Number
ADP2116-EVALZ
Description
Configurable, Dual 3 A/Single 6 A, Synchronous, Step-Down DC-to-DC Regulator
Manufacturer
AD [Analog Devices]
Datasheet
ADP2116
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Typical Application Circuit ............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configuration and Function Descriptions ............................. 6
Typical Performance Characteristics ............................................. 8
Simplified Block Diagram ............................................................. 19
Theory of Operation ...................................................................... 20
REVISION HISTORY
10/09—Revision 0: Initial Version
ESD Caution .................................................................................. 5
Line and Load Regulation ........................................................... 9
Supply Current ............................................................................ 13
Load Transient Response ........................................................... 14
Basic Functionality ..................................................................... 15
Bode Plots .................................................................................... 18
Control Architecture .................................................................. 20
Undervoltage Lockout (UVLO) ............................................... 20
Enable/Disable Control ............................................................. 20
Soft Start ...................................................................................... 20
Power Good ................................................................................. 21
Pulse Skip Mode ......................................................................... 21
Hiccup Mode Current Limit ..................................................... 22
Rev. 0 | Page 2 of 36
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Converter Configuration ............................................................... 23
External Components Selection ................................................... 26
Design Example .............................................................................. 29
Application Circuits ....................................................................... 32
Power Dissipation and Thermal Considerations ....................... 34
Circuit Board Layout Recommendations ................................... 35
Outline Dimensions ....................................................................... 36
Thermal Overload Protection .................................................. 22
Maximum Duty Cycle Operation ............................................ 22
Synchronization .......................................................................... 22
Selecting the Output Voltage .................................................... 23
Setting the Oscillator Frequency .............................................. 24
Synchronization and CLKOUT ................................................ 24
Operation Mode Configuration ............................................... 25
Input Capacitor Selection .......................................................... 26
VDD RC Filter ............................................................................ 26
Inductor Selection ...................................................................... 26
Output Capacitor Selection ....................................................... 27
Control Loop Compensation .................................................... 28
Channel 1 Configuration and Components Selection .......... 29
Channel 2 Configuration and Components Selection .......... 30
System Configuration ................................................................ 31
Ordering Guide .......................................................................... 36
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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