link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 5 link to page 5 link to page 5 link to page 5 link to page 6 link to page 7 link to page 11 link to page 12 link to page 12 link to page 13 link to page 13 link to page 14 link to page 15 link to page 16 link to page 17 link to page 18 link to page 14 ADP124/ADP125Data SheetTABLE OF CONTENTS Features .. 1 Typical Performance Characteristics ..7 Applications ... 1 Theory of Operation .. 11 Typical Application Circuits .. 1 Applications Information .. 12 General Description ... 1 Capacitor Selection .. 12 Revision History ... 2 Undervoltage Lockout ... 13 Specifications ... 3 Enable Feature .. 13 Recommended Capacitor Specifications ... 4 Current Limit and Thermal Overload Protection ... 14 Absolute Maximum Ratings .. 5 Thermal Considerations .. 14 Thermal Data .. 5 Junction Temperature Calculations ... 15 Thermal Resistance .. 5 Printed Circuit Board Layout Considerations.. 16 ESD Caution .. 5 Outline Dimensions ... 17 Pin Configurations and Function Descriptions ... 6 Ordering Guide .. 18 REVISION HISTORY 12/14—Rev. C to Rev. D Updated Figure 46; Outline Dimensions ... 17 Changes to Ordering Guide .. 18 6/12—Rev. B to Rev. C Changes to Table 3 .. 5 Updated Outline Dimensions ... 17 4/12—Rev. A to Rev. B Updated Outline Dimensions ... 17 Changes to Ordering Guide .. 18 9/10—Rev. 0 to Rev. A Added 8-Lead LFCSP Package ... Throughout Added Figure 4 and Figure 6 (Renumbered Sequentially) ... 6 Changes to Thermal Conditions Section and Table 6 ... 14 Added Table 7 .. 14 Changes to Junction Temperature Calculations Section ... 15 Added Figure 44 .. 16 Updated Outline Dimensions ... 17 Changes to Ordering Guide .. 18 12/09—Revision 0: Initial Version Rev. D | Page 2 of 20 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS RECOMMENDED CAPACITOR SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties UNDERVOLTAGE LOCKOUT ENABLE FEATURE CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS JUNCTION TEMPERATURE CALCULATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE