ADP2105 データシートの表示（PDF） - Analog Devices

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ADP2105

1 A/1.5 A/2 A Synchronous, Step-Down DC-to-DC Converters

Analog Devices 

Data Sheet

REVISION HISTORY

4/16—Rev. D to Rev. E

Changed LFCSP_VQ to LFCSP................................... Throughout

Change to Figure 4 ............................................................................8

Updated Outline Dimensions........................................................34

Changes to Ordering Guide...........................................................34

8/12—Rev. C to Rev. D

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

Added Exposed Pad Notation to Pin Configuration and

Function Description Section..........................................................7

Added ADIsimPower Design Tool Section .................................16

Updated Outline Dimensions........................................................33

9/08—Rev. B to Rev. C

Changes to Table Summary Statement...........................................4

Changes to LX Minimum On-Time Parameter, Table 1..............5

7/08—Rev. A to Rev. B

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

Changes to Figure 3...........................................................................3

Changes to Table 1 ............................................................................4

Changes to Table 2 ............................................................................6

Changes to Figure 4...........................................................................7

Changes to Table 4 ............................................................................7

Changes to Figure 26 ......................................................................11

Changes to Figure 31 Through Figure 34 ....................................12

Changes to Figure 35 ......................................................................13

Changes to PMW Mode Operation Section and Pulse Skipping

Threshold Section ...........................................................................14

Changes to Slope Compensation Section ....................................15

Changes to Setting the Output Voltage Section .........................16

Changes to Figure 37 ......................................................................16

Changes to Inductor Selection Section ........................................17

Changes to Input Capacitor Selection Section ............................18

Changes to Figure 47 through Figure 52......................................21

Changes to Transition Losses Section and Thermal

Considerations Section...................................................................22

Changes to Table 11 ........................................................................25

Changes to Circuit Board Layout Recommendations Section..27

Changes to Table 12 ........................................................................26

Changes to Figure 53 ......................................................................28

Changes to Figure 56 Through Figure 57 ....................................30

Changes to Figure 58 Through Figure 59 ....................................31

Changes to Outline Dimensions ...................................................33

ADP2105/ADP2106/ADP2107

3/07—Rev. 0 to Rev. A

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

Changes to Output Characteristics and

LX (Switch Node) Characteristics Sections ................................... 3

Changes to Typical Performance Characteristics Section ........... 7

Changes to Load Transient Response Section.............................21

7/06—Revision 0: Initial Version

Rev. E | Page 3 of 36

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