ADP2102YCPZ-3-R7(RevC) データシートの表示（PDF） - Analog Devices

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ADP2102YCPZ-3-R7
(Rev.:RevC)

Low Duty Cycle, 600 mA, 3 MHz, Synchronous Step-Down DC-to-DC Converter

Analog Devices 

ADP2102

TABLE OF CONTENTS

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

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

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

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

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

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

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

Thermal Resistance ...................................................................... 4

Boundary Condition .................................................................... 4

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

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

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

Theory of Operation ...................................................................... 13

Control Scheme .......................................................................... 13

Constant On-Time Timer ......................................................... 13

Forced Continuous Conduction Mode ................................... 13

Power Save Mode........................................................................ 13

Synchronous Rectification ........................................................ 14

Current Limit .............................................................................. 14

REVISION HISTORY

7/2016—Rev. B to Rev. C

Changed ADP2102-ADJ to ADP2102 Adjustable Output

Voltage Options, ADP2102-FXD to ADP2102 Fixed Output

Voltage Options, ADP2102-xx to ADP2102 Fixed Output

Voltage Options, and CP-8-2 to CP-8-13 ................... Throughout

Moved Figure 1; Renumbered Sequentially .................................. 1

Changes to Features Section, General Description Section, and

Figure 1 .............................................................................................. 1

Added Figure 2 Caption................................................................... 1

Changes to Table 1............................................................................ 3

Changes to Figure 3 and Table 4..................................................... 5

Changes to Figure 47 and Figure 48............................................. 17

Changes to Figure 49 and Figure 50............................................. 18

Changes to Table 7.......................................................................... 19

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 24

Data Sheet

Soft Start ...................................................................................... 15

Enable........................................................................................... 15

Undervoltage Lockout ............................................................... 15

Thermal Shutdown .................................................................... 15

Applications Information .............................................................. 16

Inductor Selection ...................................................................... 16

Input Capacitor Selection.......................................................... 16

Output Capacitor Selection....................................................... 16

Typical Application Circuits ..................................................... 17

Setting the Output Voltage........................................................ 19

Efficiency Considerations ......................................................... 19

Thermal Considerations............................................................ 20

Design Example .......................................................................... 20

Circuit Board Layout Recommendations ................................... 22

Recommended Layout............................................................... 22

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

9/2007—Rev. A to Rev. B

Changes to Features Section, Applications Section, and General

Description Section...........................................................................1

Changes to Table 4.............................................................................5

Changes to Table 6.......................................................................... 17

Changes to Table 7.......................................................................... 19

Changes to Circuit Board Layout Recommendations Section...... 21

Updated Outline Dimensions ....................................................... 23

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

6/2007—Rev. 0 to Rev. A

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

6/2007—Revision 0: Initial Version

Rev. C | Page 2 of 24

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