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 5 link to page 5 link to page 5 link to page 6 link to page 7 link to page 10 link to page 10 link to page 11 link to page 11 link to page 11 link to page 12 link to page 14 link to page 15 link to page 15 ADP1720TABLE OF CONTENTS Features .. 1 Typical Performance Characteristics ..7 Applications ... 1 Theory of Operation .. 10 Typical Application Circuits .. 1 Adjustable Output Voltage (ADP1720 Adjustable) ... 10 General Description ... 1 Applications Information .. 11 Revision History ... 2 Capacitor Selection .. 11 Specifications ... 3 Current Limit and Thermal Overload Protection ... 11 Absolute Maximum Ratings .. 5 Thermal Considerations .. 12 Thermal Resistance .. 5 Printed Circuit Board Layout Considerations ... 14 ESD Caution .. 5 Outline Dimensions ... 15 Pin Configurations and Function Descriptions ... 6 Ordering Guide .. 15 REVISION HISTORY7/07—Rev. 0 to Rev. A Change to Figure 1 ... 1 Changes to Table 1 .. 3 Changes to Ordering Guide .. 15 2/07—Revision 0: Initial Version Rev. A | Page 2 of 16 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUITS GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ADJUSTABLE OUTPUT VOLTAGE(ADP1720 ADJUSTABLE) APPLICATIONS INFORMATION CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties CURRENT LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE