Data Sheet

ADR3625/ADR3630/ADR3650

TABLE OF CONTENTS

analog.com

Rev. A | 2 of 26

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

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

Pin Configuration................................................... 1

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

Specifications........................................................ 4

Electrical Characteristics.................................... 4

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

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

Electrostatic Discharge (ESD) Ratings...............6

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

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

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

Terminology......................................................... 18

Dropout Voltage................................................18

Line Regulation................................................ 18

Load Regulation............................................... 18

Solder Heat Resistance Shift........................... 18

Temperature Coefficient................................... 18

Box Method...................................................... 18

Thermal Hysteresis.......................................... 18

Long-Term Drift.................................................18

Theory of Operation.............................................19

Power Dissipation.............................................19

Internal Protection............................................ 19

Long-Term Drift ................................................20

Thermal Hysteresis.......................................... 20

Power Cycle Hysteresis................................... 20

Humidity Sensitivity.......................................... 21

Applications Information...................................... 22

Basic Voltage Reference Connection...............22

Input and Output Capacitors............................ 22

Start-Up Time................................................... 22

Settling Time.................................................... 23

ENABLE Pin.....................................................23

PCB Layout...................................................... 23

Sample Applications ........................................... 25

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

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

Evaluation Boards............................................ 26

REVISION HISTORY

4/2023—Rev. 0 to Rev. A

Added ADR3630 and ADR3650 (Universal).................................................................................................... 1

Changes to Features Section and General Description Section......................................................................1

Changes to Table 2..........................................................................................................................................4

Changes to Figure 3 Caption, Figure 6, and Figure 8 Caption........................................................................ 8

Added Figure 4, Figure 5, and Figure 7; Renumbered Sequentially................................................................8

Deleted Figure 11 and Figure 14; Renumbered Sequentially........................................................................ 10

Added Figure 9................................................................................................................................................ 9

Changes to Figure 10 and Figure 11............................................................................................................... 9

Deleted Figure 16 and Figure 19................................................................................................................... 11

Changes to Figure 18 Caption....................................................................................................................... 10

Added Figure 17, Figure 19, and Figure 20................................................................................................... 10

Added Figure 21, Figure 23, and Figure 24................................................................................................... 11

Changes to Figure 22 Caption and Figure 25 Caption...................................................................................11

Changes to Figure 27 Caption, Figure 29 Caption, and Figure 31 Caption...................................................12

Added Figure 28, Figure 30, and Figure 32................................................................................................... 12

Changes to Figure 34 Caption, Figure 36 Caption, and Figure 38 Caption...................................................13

Added Figure 35 and Figure 37..................................................................................................................... 13

Added Figure 39, Figure 41, Figure 43, and Figure 44..................................................................................14

Changes to Figure 40 Caption....................................................................................................................... 14

Deleted Figure 42.......................................................................................................................................... 14

Changes to Figure 45 Caption and Figure 48 Caption.................................................................................. 15

Added Figure 46, Figure 47, Figure 49, and Figure 50..................................................................................15

Changes to Figure 51 Caption....................................................................................................................... 16

Added Figure 52 and Figure 53..................................................................................................................... 16

Changes to Power Dissipation Section and Figure 62 Caption..................................................................... 19