ADP1031

Data Sheet

Rev. A | Page 2 of 38

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

Companion Products ....................................................................... 1

 

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

 

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

 

Regulatory Information............................................................... 7

 

Electromagnectic Compatibility................................................. 8

 

Insulation and Safety Related Specifications ............................ 8

 

DIN V VDE 0884-10 (VDE V 0884-10) Insulation

Characteristics .............................................................................. 9

 

Absolute Maximum Ratings.......................................................... 10

 

Thermal Resistance .................................................................... 10

 

ESD Caution................................................................................ 10

 

Pin Configuration and Function Descriptions........................... 11

 

Typical Performance Characteristics ........................................... 13

 

Theory of Operation ...................................................................... 23

 

Flyback Regulator....................................................................... 24

 

Buck Regulator ........................................................................... 25

 

Inverting Regulator .................................................................... 26

 

Power Good ................................................................................ 26

 

Power-Up Sequence ................................................................... 26

 

Oscillator and Synchronization................................................ 26

 

Thermal Shutdown .................................................................... 27

 

Data Isolation.............................................................................. 27

 

Applications Information .............................................................. 29

 

Component Selection ................................................................ 29

 

Flyback Regulator Components Selection.............................. 30

 

Buck Regulator Components Selection................................... 33

 

Inverting Regulator Component Selection ............................. 33

 

Insulation Lifetime ..................................................................... 34

 

Thermal Analysis ....................................................................... 35

 

Typical Application Circuit....................................................... 36

 

PCB Layout Considerations.......................................................... 37

 

Outline Dimensions ....................................................................... 38

 

Ordering Guide .......................................................................... 38

 

REVISION HISTORY

12/2019—Rev. 0 to Rev. A

Changes Table 9 .............................................................................. 11

Changes to Figure 48 and Figure 51............................................. 20

Changes to Figure 52 to Figure 57................................................ 21

Changes to Figure 58 to Figure 63................................................ 22

Changes to Insulation Lifetime Section....................................... 34

Added Surface Tracking Section, Insulation Wear Out Section,

Equation 1 and Equation 2; Renumbered Sequentially, Calculation

and Use of Parameters Example Section, and Figure 75;

Renumbered Sequentially ............................................................. 35

Changes to Figure 76...................................................................... 36

Updated Outline Dimensions....................................................... 38

Changes to Ordering Guide .......................................................... 38

1/2019—Revision 0: Initial Version