ADP5034

Data Sheet

Rev. A | Page 2 of 28

TABLE OF CONTENTS

Features .............................................................................................. 1

 

Applications....................................................................................... 1

 

General Description ......................................................................... 1

 

Typical Application Circuit ............................................................. 1

 

Revision History ............................................................................... 2

 

Specifications..................................................................................... 3

 

General Specifications ................................................................. 3

 

BUCK1 and BUCK2 Specifications ........................................... 4

 

LDO1 and LDO2 Specifications................................................. 4

 

Input and Output Capacitor, Recommended Specifications.. 5

 

Absolute Maximum Ratings............................................................ 6

 

Thermal Resistance ...................................................................... 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions............................. 7

 

Typical Performance Characteristics ............................................. 8

 

Theory of Operation ...................................................................... 15

 

Power Management Unit........................................................... 15

 

BUCK1 and BUCK2 .................................................................. 17

 

LDO1 and LDO2........................................................................ 18

 

Applications Information .............................................................. 19

 

Buck External Component Selection....................................... 19

 

LDO External Component Selection ...................................... 21

 

Power Dissipation and Thermal Considerations ....................... 22

 

Buck Regulator Power Dissipation .......................................... 22

 

Junction Temperature ................................................................ 23

 

PCB Layout Guidelines.................................................................. 24

 

Typical Application Schematics.................................................... 25

 

Bill of Materials........................................................................... 25

 

Outline Dimensions ....................................................................... 26

 

Ordering Guide .......................................................................... 26

 

REVISION HISTORY

10/11—Rev. 0 to Rev. A

Change to Features Section ............................................................. 1

Changes to General Description Section ...................................... 1

Changes to Figure 1.......................................................................... 1

Change to Table 1, Low UVLO Input Voltage Falling Parameter,

Symbol Column ................................................................................ 3

Change to Table 2, Output Voltage Accuracy Parameter, Test

Conditions/Comment Column ...................................................... 4

Change to Table 2, Line Regulation Parameter, Symbols

Column .............................................................................................. 4

Change to Table 2, Load Regulation Parameter, Symbols

Column .............................................................................................. 4

the SW On Resistance Parameter and Changes to Typ and Max

Columns............................................................................................. 4

Changes to Table 3, Output Accuracy Parameter, Test

Conditions/Comments Column..................................................... 4

Changes to Table 3, Line Regulation Parameter, Symbols

Column and Test Conditions/Comments Column ..................... 4

Change to Table 3, Changes to Dropout Voltage Parameter and

Added Specification to Dropout Voltage Parameter.................... 5

Change to Table 3, Endnote 3 ......................................................... 5

Change to Table 4, BUCK1, BUCK2 Output Capacitor

Parameter, Min Column Value ....................................................... 5

Change to Table 4, Endnote 1 ..........................................................5

Changes to Absolute Maximum Ratings, Table 5 .........................6

Changes to Table 7, Pin Function Descriptions ............................7

Changes to TPC Section...................................................................8

Moved Power Dissipation and Thermal Considerations

Section.............................................................................................. 22

Change to Equation 5 Where Statement ..................................... 22

Change to Equation 6..................................................................... 22

Change to Undervoltage Lockout Section .................................. 16

Changes to Figure 46...................................................................... 16

Change to Figure 47 ....................................................................... 17

Changes to LDO1/LDO2 Section ................................................ 18

Changes to Output Capacitor Section and Table 8 .................... 19

Changes to Input and Output Capacitor Properties Section.... 21

Changes to Equation 3 ................................................................... 22

Changes to Junction Temperature Section.................................. 23

Changes to LDO Regulator Power Dissipation Section............ 23

Changes to Figure 52 and Figure 53............................................. 25

Moved Bill of Materials Section.................................................... 25

Changes to Ordering Guide .......................................................... 26

6/11—Revision 0: Initial Version