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 6 link to page 6 link to page 6 link to page 7 link to page 8 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 13 link to page 14 link to page 15 link to page 15 link to page 15 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 17 link to page 17 link to page 18 link to page 19 link to page 20 link to page 20 ADP2311Data SheetTABLE OF CONTENTS Features .. 1 Peak Current-Limit and Short-Circuit Protection .. 13 Applications ... 1 Power-On Reset (POR) ... 13 Typical Application Circuit ... 1 TIMER Pin Configuration .. 14 General Description ... 1 Power Fail Comparator .. 15 Revision History ... 2 Voltage Monitor Comparator (VM2) .. 15 Functional Block Diagram .. 3 Watchdog Timer ... 15 Specifications ... 4 Power-Up and Power-Down Sequence ... 15 Absolute Maximum Ratings .. 6 Overvoltage Protection (OVP) ... 15 Thermal Resistance .. 6 Undervoltage Lockout (UVLO) ... 15 ESD Caution .. 6 Thermal Shutdown .. 16 Pin Configuration and Function Descriptions ... 7 Applications Information .. 17 Typical Performance Characteristics ... 8 Input Capacitor Selection .. 17 Theory of Operation .. 13 Output Voltage Setting .. 17 Control Scheme .. 13 Inductor Selection .. 17 Precision Enable/Shutdown .. 13 Output Capacitor Selection... 18 Internal Regulator (VREG) ... 13 Application Circuit ... 19 Bootstrap Circuitry .. 13 Outline Dimensions ... 20 Soft Start .. 13 Ordering Guide .. 20 REVISION HISTORY 8/2017—Rev. A to Rev. B Updated Outline Dimensions ... 20 Changes to Ordering Guide .. 20 3/2014—Revision A: Initial Version Rev. B | Page 2 of 20 Document Outline Features Applications Typical Application Circuit General Description Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Soft Start Peak Current-Limit and Short-Circuit Protection Power-On Reset (POR) TIMER Pin Configuration Power Fail Comparator Voltage Monitor Comparator (VM2) Watchdog Timer Power-Up and Power-Down Sequence Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Inductor Selection Output Capacitor Selection Application Circuit Outline Dimensions Ordering Guide
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