ADP121 Analog Devices, ADP121 Datasheet - Page 2

• Manufacturer Part Number: ADP121
• Description: 150 mA, Low Quiescent Current, CMOS Linear Regulator in 5-Lead TSOT or 4-Ball WLCSP
• Manufacturer: Analog Devices

ADP121
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Typical Application Circuits ............................................................ 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
REVISION HISTORY
8/11—Rev. D to Rev. E
Changes to Figure 22 ........................................................................ 9
Changes to Ordering Guide .......................................................... 19
1/10—Rev. C to Rev. D
Changes to Ordering Guide .......................................................... 19
11/09—Rev. B to Rev. C
Changes to Figure 1, Figure 2, and General Description
Section ................................................................................................ 1
Changes to Table 3 ............................................................................ 5
Changes to Figure 46 Caption and Figure 47 Caption .............. 17
Changes to Ordering Guide .......................................................... 19
9/09—Rev. A to Rev. B
Updated Outline Dimensions ....................................................... 18
Changes to Ordering Guide .......................................................... 19
3/09—Rev. 0 to Rev. A
Changes to Features and General Description Sections .............. 1
Changes to Input and Output Capacitor Parameter .................... 4
Changes to Figure 17 to Figure 20 .................................................. 9
Changes to Figure 49 ...................................................................... 17
Added Figure 50 .............................................................................. 17
Changes to Ordering Guide .......................................................... 19
7/08—Revision 0: Initial Version
Recommended Specifications: Input and Output Capacitors 4
Thermal Data ................................................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution .................................................................................. 5
Rev. E | Page 2 of 20
Typical Performance Characteristics ..............................................7
Theory of Operation ...................................................................... 11
Applications Information .............................................................. 12
Outline Dimensions ....................................................................... 18
Capacitor Selection .................................................................... 12
Undervoltage Lockout ............................................................... 13
Enable Feature ............................................................................ 13
Current Limit and Thermal Overload Protection ................. 14
Thermal Considerations ............................................................ 14
PCB Layout Considerations ...................................................... 17
Ordering Guide .......................................................................... 19
Data Sheet