ADP1876-EVALZ AD [Analog Devices], ADP1876-EVALZ Datasheet - Page 2

• Manufacturer Part Number: ADP1876-EVALZ
• Description: 600 kHz Dual Output Synchronous Buck
• Manufacturer: AD [Analog Devices]

TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Typical Operation Circuit ................................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications ..................................................................................... 4
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 14
Applications Information .............................................................. 17
REVISION HISTORY
11/11—Rev. 0 to Rev. A
Added Evaluation Board to Ordering Guide .............................. 24
9/11—Revision 0: Initial Version
ADP1876
Absolute Maximum Ratings ....................................................... 7
ESD Caution .................................................................................. 7
Independent Low Dropout Linear Regulator ......................... 14
Controller Architecture ............................................................. 14
Input Undervoltage Lockout ..................................................... 14
Internal Linear Regulator (VCCO) .......................................... 14
Overvoltage Protection .............................................................. 15
Power Good ................................................................................. 15
Short-Circuit and Current-Limit Protection .......................... 15
Shutdown Control ...................................................................... 15
Thermal Overload Protection ................................................... 16
Rev. A | Page 2 of 24
Packaging and Ordering Information ......................................... 24
Independent Low Dropout Linear Regulator ......................... 17
Setting the Output Voltage of the Controller ......................... 17
Soft Start ...................................................................................... 17
Setting the Current Limit .......................................................... 17
Accurate Current-Limit Sensing .............................................. 17
Setting the Slope Compensation .............................................. 18
Setting the Current Sense Gain ................................................ 18
Input Capacitor Selection .......................................................... 18
Input Filter .................................................................................. 19
Boost Capacitor Selection ......................................................... 19
Inductor Selection ...................................................................... 19
Output Capacitor Selection....................................................... 19
MOSFET Selection ..................................................................... 20
Loop Compensation .................................................................. 21
Switching Noise and Overshoot Reduction ............................ 22
PCB Layout Guideline ............................................................... 23
Typical Applications Circuit ..................................................... 23
Outline Dimensions ................................................................... 24
Ordering Guide .......................................................................... 24
Data Sheet