ADP2102 Analog Devices, ADP2102 Datasheet - Page 2

• Manufacturer Part Number: ADP2102
• Description: Low Duty Cycle, 600 mA, 3 MHz Synchronous Step-Down DC-to-DC Converter
• Manufacturer: Analog Devices

ADP2102
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Typical Performance Characteristics ............................................. 1
Typical Applications Circuit............................................................ 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 4
Pin Configuration and Function Descriptions............................. 5
Typical Performance Characteristics ............................................. 6
Theory of Operation ...................................................................... 13
REVISION HISTORY
9/07—Rev. A to Rev. B
Changes to Features, Applications, and General Description .... 1
Changes to Table 4............................................................................ 5
Changes to Table 6.......................................................................... 17
Changes to Table 7.......................................................................... 19
Changes to Circuit Board Layout Recommendations Section.... 21
Updated Outline Dimensions ....................................................... 23
Changes to Ordering Guide .......................................................... 23
Thermal Resistance ...................................................................... 4
Boundary Condition.................................................................... 4
ESD Caution.................................................................................. 4
Control Scheme .......................................................................... 13
Constant On-Time Timer ......................................................... 13
Forced Continuous Conduction Mode ................................... 13
Power Save Mode........................................................................ 13
Synchronous Rectification ........................................................ 14
Rev. B | Page 2 of 24
Applications Information .............................................................. 16
Circuit Board Layout Recommendations ................................... 22
Outline Dimensions ....................................................................... 24
6/07—Rev. 0 to Rev. A
Changes to Ordering Guide .......................................................... 23
6/07—Revision 0: Initial Version
Current Limit .............................................................................. 14
Soft Start ...................................................................................... 15
Enable........................................................................................... 15
Undervoltage Lockout ............................................................... 15
Thermal Shutdown .................................................................... 15
Inductor Selection ...................................................................... 16
Input Capacitor Selection.......................................................... 16
Output Capacitor Selection....................................................... 16
Typical Applications Circuits.................................................... 17
Setting the Output Voltage........................................................ 19
Efficiency Considerations ......................................................... 19
Thermal Considerations............................................................ 20
Design Example.......................................................................... 20
Recommended Layout............................................................... 22
Ordering Guide .......................................................................... 24