ADP1740/ADP1741
Data Sheet
TABLE OF CONTENTS
Theory of Operation ...................................................................... 11
Soft Start Function ..................................................................... 11
Adjustable Output Voltage (ADP1741)................................... 12
Enable Feature ............................................................................ 12
Power-Good Feature.................................................................. 12
Reverse Current Protection Feature ........................................ 13
Applications Information .............................................................. 14
Capacitor Selection .................................................................... 14
Undervoltage Lockout ............................................................... 15
Current-Limit and Thermal Overload Protection................. 15
Thermal Considerations............................................................ 15
PCB Layout Considerations...................................................... 17
Outline Dimensions....................................................................... 19
Ordering Guide .......................................................................... 19
Features .............................................................................................. 1
Applications....................................................................................... 1
Typical Application Circuits............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Input and Output Capacitor, Recommended Specifications.. 4
Absolute Maximum Ratings............................................................ 5
Thermal Data ................................................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
REVISION HISTORY
6/13—Rev. D to Rev. E
Changed Adjustable Output Voltage Option with Soft Start
(ADP1755) from 0.75 V to 3.0 V to 0.75 V to 3.3 V
(Throughout) .................................................................................... 1
Updated Outline Dimensions....................................................... 19
12/12—Rev. C to Rev. D
Added Junction Temperature of 150°C, Table 3........................... 5
Changes to Ordering Guide .......................................................... 19
9/12—Rev. B to Rev. C
Changes to Table 3............................................................................ 5
Changes to Ordering Guide .......................................................... 19
2/10—Rev. A to Rev. B
Changes to Table 4............................................................................ 5
Changes to Ordering Guide .......................................................... 19
4/09—Rev. 0 to Rev. A
Changes to Table 3............................................................................ 5
10/08—Revision 0: Initial Version
Rev. E | Page 2 of 20
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