ADP5023 Analog Devices, ADP5023 Datasheet - Page 2

• Manufacturer Part Number: ADP5023
• Description: Dual 3 MHz, 800 mA Buck Regulator with One 300 mA LDO
• Manufacturer: Analog Devices

ADP5023
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Typical Application Circuit ............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Pin Configuration and Function Descriptions ............................. 7
Typical Performance Characteristics ............................................. 8
REVISION HISTORY
1/12—Rev. 0 to Rev. A
Changes to Features Section............................................................ 1
Changes to Table 2 ............................................................................ 4
Changes to Table 3 and Table 4 ....................................................... 5
Changes to Table 5 ............................................................................ 6
Changes to Table 7 ............................................................................ 7
Changes to Figure 34 ...................................................................... 13
Changes to Buck Regulator Power Dissipation Section ............ 15
Changes to Undervoltage Lockout Section ................................. 18
Changes to LDO Section and Figure 48 ...................................... 20
Changes to Table 9 .......................................................................... 22
Changes to Figure 52 ...................................................................... 25
Changes to Ordering Guide .......................................................... 27
8/11—Revision 0: Initial Version
General Specifications ................................................................. 3
BUCK1 and BUCK2 Specifications ........................................... 4
LDO Specifications ...................................................................... 5
Input and Output Capacitor, Recommended Specifications .. 5
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Rev. A | Page 2 of 28
Power Dissipation and Thermal Considerations ....................... 15
Theory of Operation ...................................................................... 17
Applications Information .............................................................. 21
PCB Layout Guidelines .................................................................. 24
Typical Application Schematics .................................................... 25
Bill of Materials ............................................................................... 26
Outline Dimensions ....................................................................... 27
Buck Regulator Power Dissipation .......................................... 15
Junction Temperature ................................................................ 16
Power Management Unit ........................................................... 17
BUCK1 and BUCK2 .................................................................. 19
LDO .............................................................................................. 20
Buck External Component Selection ....................................... 21
LDO External Component Selection ...................................... 23
Ordering Guide .......................................................................... 27
Data Sheet