ADP3050ARZ-5-REEL View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

ADP3050ARZ-5-REEL

200 kHz, 1 A High Voltage Step-Down Switching Regulator

Analog Devices 

ADP3050

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

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

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

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

Typical Performance Characteristics ............................................. 6

Theory of Operation ...................................................................... 10

Setting the Output Voltage ........................................................ 10

Applications Information .............................................................. 11

ADIsimPower Design Tool ....................................................... 11

Inductor Selection ...................................................................... 11

Output Capacitor Selection....................................................... 12

REVISION HISTORY

6/12—Rev. B to Rev. C

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

Added ADIsimPower Design Tool Section................................. 11

Changes to Ordering Guide .......................................................... 20

3/08—Rev. A to Rev. B

Updated Format..................................................................Universal

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

Changes to Figure 3 and Figure 5 ................................................... 6

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

Deleted Table 4................................................................................ 14

Changes to Table 5.......................................................................... 15

Deleted Table 8................................................................................ 15

Deleted Table 7................................................................................ 16

Deleted Table 9................................................................................ 16

Changes to Boosted Drive Stage Section and Thermal

Considerations Sections................................................................. 19

Changes to Figure 27...................................................................... 20

Changes to Ordering Guide .......................................................... 23

Data Sheet

Catch Diode Selection ............................................................... 13

Input Capacitor Selection.......................................................... 14

Discontinous Mode Ringing..................................................... 14

Setting the Output Voltage........................................................ 14

Frequency Compensation ......................................................... 14

Current Limit/Frequency Foldback ......................................... 15

Bias Pin Connection .................................................................. 15

Boosted Drive Stage ................................................................... 15

Start-Up/Minimum Input Voltage ........................................... 15

Thermal Considerations............................................................ 16

Board Layout Guidelines ............................................................... 17

Typical Applications................................................................... 17

Inverting (Buck Boost) Regulator ............................................ 18

Outline Dimensions ....................................................................... 20

Ordering Guide .......................................................................... 20

Rev. C | Page 2 of 20

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