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 5 link to page 6 link to page 7 link to page 14 link to page 15 link to page 15 link to page 15 link to page 16 link to page 17 link to page 17 link to page 18 link to page 18 link to page 18 link to page 21 link to page 22 link to page 23 ADM7154Data SheetTABLE OF CONTENTS Features .. 1 Applications Information .. 15 Applications ... 1 ADIsimPower Design Tool ... 15 Typical Application Circuit ... 1 Capacitor Selection .. 15 General Description ... 1 Undervoltage Lockout (UVLO) ... 16 Revision History ... 2 Programmable Precision Enable .. 17 Specifications ... 3 Start-Up Time ... 17 Absolute Maximum Ratings .. 5 REF, BYP, and VREG Pins... 18 Thermal Data .. 5 Current-Limit and Thermal Overload Protection ... 18 Thermal Resistance .. 5 Thermal Considerations .. 18 ESD Caution .. 5 PCB Layout Considerations .. 21 Pin Configurations and Function Descriptions ... 6 Outline Dimensions ... 22 Typical Performance Characteristics ... 7 Ordering Guide .. 23 Theory of Operation .. 14 REVISION HISTORY 8/2016—Rev. A to Rev. B Changes to Programmable Precision Enable Section and Figure 52 .. 17 12/2014—Rev. 0 to Rev. A Changes to Figure 35 to Figure 40 .. 12 Changes to Figure 44 .. 15 10/2014—Revision 0: Initial Version Rev. B | Page 2 of 23 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY 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 and VREG Capacitor REF Capacitor BYP Capacitor Capacitor Properties UNDERVOLTAGE LOCKOUT (UVLO) PROGRAMMABLE PRECISION ENABLE START-UP TIME REF, BYP, AND VREG PINS CURRENT-LIMIT AND THERMAL OVERLOAD PROTECTION THERMAL CONSIDERATIONS Thermal Characterization Parameter (ΨJB) PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
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