ADP2119/ADP2120

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

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

Absolute Maximum Ratings............................................................ 5

Thermal Resistance ...................................................................... 5

Boundary Condition.................................................................... 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 7

Functional Block Diagram ............................................................ 15

Theory of Operation ...................................................................... 16

Control Scheme .......................................................................... 16

PWM Mode Operation.............................................................. 16

PFM Mode Operation................................................................ 16

Slope Compensation .................................................................. 16

Enable/Shutdown ....................................................................... 16

Integrated Soft Start ................................................................... 16

Tracking ....................................................................................... 17

Oscillator and Synchronization................................................ 17

Current Limit and Short-Circuit Protection .............................. 17

Overvoltage Protection (OVP)................................................. 17

Undervoltage Lockout (UVLO) ............................................... 17

Thermal Shutdown .................................................................... 17

Power Good (PGOOD) ............................................................. 17

Applications Information .............................................................. 18

Output Voltage Selection........................................................... 18

Inductor Selection ...................................................................... 18

Output Capacitor Selection....................................................... 18

Input Capacitor Selection.......................................................... 19

Voltage Tracking......................................................................... 19

Typical Application Circuits ......................................................... 20

Outline Dimensions ....................................................................... 22

Ordering Guide .......................................................................... 22

REVISION HISTORY

6/10—Revision 0: Initial Version