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 16 link to page 17 link to page 17 link to page 17 link to page 18 link to page 18 link to page 19 link to page 19 link to page 19 link to page 20 link to page 21 link to page 22 link to page 23 link to page 23 link to page 18 ADM7171Data SheetTABLE OF CONTENTS Features .. 1 ADIsimPower Design Tool ... 17 Applications ... 1 Capacitor Selection .. 17 General Description ... 1 Programmable Precision Enable .. 18 Typical Application Circuit ... 1 Undervoltage Lockout ... 18 Revision History ... 2 Soft Start ... 18 Specifications ... 3 Noise Reduction of the ADM7171 in Adjustable Mode ... 19 Input and Output Capacitor, Recommended Specifications .. 4 Effect of Noise Reduction on Start-Up Time ... 19 Absolute Maximum Ratings .. 5 Current-Limit and Thermal Overload Protection ... 19 Thermal Data .. 5 Thermal Considerations .. 20 Thermal Resistance .. 5 Typical Applications Circuits .. 21 ESD Caution .. 5 Printed Circuit Board Layout Considerations .. 22 Pin Configuration and Function Descriptions ... 6 Outline Dimensions ... 23 Typical Performance Characteristics ... 7 Ordering Guide .. 23 Theory of Operation .. 16 Applications Information .. 17 REVISION HISTORY9/2019—Rev. D to Rev. E8/2015—Rev. B to Rev. C Change to Figure 33 Caption .. 11 Changes to Soft Start Section .. 19 Change to Figure 34 Caption, Figure 38 Caption, and Figure 39 Added Effect of Noise Reduction on Start-Up Time Section ... 19 Caption ... 12 Changes to Figure 54 .. 16 12/2014—Rev. A to Rev. B Updated Outline Dimensions ... 23 Changes to Figure 2 ... 1 Changes to Figure 48 to Figure 51 .. 14 1/2018—Rev. C to Rev. D Changes to Figure 52 to Figure 53 .. 15 Updated Outline Dimensions ... 23 Changes to Figure 56 .. 17 Changes to Ordering Guide .. 23 8/2014—Rev. 0 to Rev. A Changes to Ordering Guide .. 23 7/2014—Revision 0: Initial Version Rev. E | Page 2 of 23 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION 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 PROGRAMMABLE PRECISION ENABLE UNDERVOLTAGE LOCKOUT SOFT START NOISE REDUCTION OF THE ADM7171 IN ADJUSTABLE MODE EFFECT OF NOISE REDUCTION ON START-UP TIME CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS TYPICAL APPLICATIONS CIRCUITS PRINTED CIRCUIT BOARD LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE