ADP5600

Data Sheet

Rev. 0 | Page 2 of 25

TABLE OF CONTENTS

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

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

Typical Applications Circuit............................................................ 1

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

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

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

Charge Pump Regulator Specifications..................................... 4

LDO Regulator Specifications .................................................... 4

Recommended Input and Output Capacitor 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 ...................................................................... 14

Inverting Charge Pump Operation.......................................... 14

Interleaved Inverting Charge Pump Operation ..................... 15

Charge Pump Output Resistance ............................................. 16

Negative LDO Regulator ........................................................... 16

Startup and Soft Start ................................................................. 16

Precision Enable/Shutdown ...................................................... 17

Oscillator ..................................................................................... 17

Synchronization.......................................................................... 17

Current-Limit and Output Short-Circuit Protection (SCP). 18

Power Good ................................................................................ 18

Undervoltage Lockout (UVLO) ............................................... 18

Thermal Considerations............................................................ 19

Applications Information .............................................................. 20

Capacitor Selection...................................................................... 20

Output Voltage Settings............................................................. 20

Noise Reduction........................................................................... 21

Changing the Oscillator Source On-the-Fly........................... 21

Design Example.............................................................................. 23

Setting the Switching Frequency of the Charge Pump.......... 23

Selecting the Flying Capacitor of the Charge Pump.............. 23

Setting the Output Voltage of the LDO Regulator................. 23

Determining the Minimum VIN Voltage ............................... 23

Circuit Board Layout Recommendations ................................... 24

Outline Dimensions....................................................................... 25

Ordering Guide .......................................................................... 25

REVISION HISTORY

7/2020—Revision 0: Initial Version