ADP3050-EVAL Analog Devices Inc, ADP3050-EVAL Datasheet - Page 2

• Manufacturer Part Number: ADP3050-EVAL
• Description: BOARD EVAL FOR ADP3050
• Manufacturer: Analog Devices Inc

Specifications of ADP3050-EVAL

• Main Purpose: DC/DC, Step Down
• Voltage - Input: 3.6 ~ 30V
• Regulator Topology: Buck
• Board Type: Fully Populated
• Utilized Ic / Part: ADP3050
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Current - Output: -
• Voltage - Output: -
• Power - Output: -
• Frequency - Switching: -
• Outputs And Type: -
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

ADP3050
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 4
Pin Configuration and Function Descriptions ............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 10
Applications Information .............................................................. 11
REVISION HISTORY
3/08—Rev. A to Rev. B
Updated Format .................................................................. Universal
Changes to General Description Section ...................................... 1
Changes to Figure 3 and Figure 5 ................................................... 6
Changes to Table 2 ............................................................................ 4
Deleted Table 4 ................................................................................ 14
Changes to Table 5 .......................................................................... 15
Deleted Table 8 ................................................................................ 15
Deleted Table 7 ................................................................................ 16
Deleted Table 9 ................................................................................ 16
Changes to Boosted Drive Stage Section and Thermal
Changes to Figure 27 ...................................................................... 20
Changes to Ordering Guide .......................................................... 23
ESD Caution .................................................................................. 4
Setting the Output Voltage ........................................................ 10
Inductor Selection ...................................................................... 11
Output Capacitor Selection ....................................................... 12
Considerations Sections ............................................................ 19
Rev. B | Page 2 of 24
Board Layout Guidelines ............................................................... 18
Outline Dimensions ....................................................................... 21
Catch Diode Selection ............................................................... 14
Input Capacitor Selection .......................................................... 14
Discontinous Mode Ringing ..................................................... 15
Setting the Output Voltage ........................................................ 15
Frequency Compensation ......................................................... 15
Current Limit/Frequency Foldback ......................................... 16
Bias Pin Connection .................................................................. 16
Boosted Drive Stage ................................................................... 16
Start-Up/Minimum Input Voltage ........................................... 16
Thermal Considerations ............................................................ 16
Typical Applications ................................................................... 18
Inverting (Buck Boost) Regulator ............................................ 19
Ordering Guide .......................................................................... 21