Datasheet ADP322, ADP323 (Analog Devices) - 2

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ADP322/ADP323 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 16 Applications ... 1 Applications Information .. 17 Typical Application Circuits .. 1 ADIsimPower Design Tool ... 17 General Description ... 1 Capacitor Selection .. 17 Revision History ... 2 Undervoltage Lockout ... 18 Specifications ... 3 Enable Feature .. 18 Input and Output Capacitor, Recommended Specifications .. 4 Noise Reduction of the ADP323 in Adjustable Mode ... 19 Absolute Maximum Ratings .. 5 Current-Limit and Thermal Overload Protection ... 20 Thermal Data .. 5 Thermal Considerations .. 20 Thermal Resistance .. 5 Printed Circuit Board Layout Considerations.. 22 ESD Caution .. 5 Outline Dimensions ... 23 Pin Configurations and Function Descriptions ... 6 Ordering Guide .. 23 Typical Performance Characteristics ... 8
REVISION HISTORY 10/2018—Rev. D to Rev. E 9/2011—Rev. 0 to Rev. A
Change to Figure 56 ... 19 Added Figure 2, Renumbered Sequential y ... 1 Changes to Ordering Guide .. 23 Changes to Theory of Operation Section.. 15 Added Figure 45, Renumbered Sequentially .. 15
3/2017—Rev. C to Rev. D
Changes to Ordering Guide .. 21 Updated Outline Dimensions ... 23 Changes to Ordering Guide .. 23
9/2010—Revision 0: Initial Version 10/2015—Rev. B to Rev. C
Changes to Ordering Guide .. 23
11/2014—Rev. A to Rev. B
Changes to Features Section.. 1 Changes to Table 1 .. 3 Changes to Figure 30, Figure 31, Figure 32, and Figure 33; Added Figure 34; Renumbered Sequentially .. 12 Added Figure 35 and Figure 36; Changes to Figure 38, Figure 39, and Figure 40 .. 13 Added ADIsimPower Design Tool Section ... 17 Added Noise Reduction of the ADP323 in Adjustable Mode Section .. 19 Rev. E | Page 2 of 24 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT ENABLE FEATURE NOISE REDUCTION OF THE ADP323 IN ADJUSTABLE MODE CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE NOTES