Datasheet ADP2165, ADP2166 (Analog Devices) - 2

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ADP2165/ADP2166 Data Sheet TABLE OF CONTENTS
Features .. 1 Undervoltage Lockout ... 13 Applications ... 1 Thermal Shutdown .. 13 General Description ... 1 Applications Information .. 14 Typical Application Circuit ... 1 ADIsimPower Design Tool ... 14 Revision History ... 2 Input Capacitor Selection .. 14 Functional Block Diagram .. 3 Output Voltage Setting .. 14 Specifications ... 4 Voltage Conversion Limitations ... 14 Absolute Maximum Ratings .. 6 Inductor Selection .. 15 Thermal Resistance .. 6 Output Capacitor Selection... 15 ESD Caution .. 6 Compensation Design ... 16 Pin Configuration and Function Descriptions ... 7 Design Example .. 17 Typical Performance Characteristics ... 8 Output Voltage Setting .. 17 Theory of Operation .. 12 Frequency Setting ... 17 Control Scheme .. 12 Inductor Selection .. 17 PWM Mode ... 12 Output Capacitor Selection... 18 Enable/Shutdown ... 12 Compensation Components ... 18 Internal Regulator (VREG) ... 12 Soft Start Time Program ... 18 Bootstrap Circuitry .. 12 Input Capacitor Selection .. 18 Oscillator and Synchronization .. 12 Recommended External Components .. 19 Soft Start .. 13 Printed Circuit Board Layout Recommendations ... 20 Tracking ... 13 Reference Designs .. 21 Power-Good (PGOOD) ... 13 Outline Dimensions ... 23 Peak Current-Limit and Short-Circuit Protection ... 13 Ordering Guide .. 23 Overvoltage Protection .. 13
REVISION HISTORY 8/2017—Rev. A to Rev. B
Changed LFCSP_WQ to LFCSP .. ... ... ... ... ... ... .. ... Throughout Updated Outline Dimensions . ... .. ... ... ... ... ... .. .. ... ... ... ... ... 23 Changes to Ordering Guide . ... .. ... ... ... ... ... .. .. ... ... ... ... ... ... 23
9/2016—Rev. 0 to Rev. A
Change to Compensation Components Section .. 18 Change to Table 8 ... 19
8/2014—Revision 0: Initial Version
Rev. B | Page 2 of 23 Document Outline Features Applications General Description Typical Application Circuit 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 PWM Mode Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator and Synchronization Soft Start Tracking Power-Good (PGOOD) Peak Current-Limit and Short-Circuit Protection Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Compensation Design Design Example Output Voltage Setting Frequency Setting Inductor Selection Output Capacitor Selection Compensation Components Soft Start Time Program Input Capacitor Selection Recommended External Components Printed Circuit Board Layout Recommendations Reference Designs Outline Dimensions Ordering Guide