Datasheet ADP2118 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 3 A, 1.2 MHz/600 kHz High Efficiency Synchronous Step-Down DC-to-DC Regulator |
| 页数 / 页 | 24 / 2 — ADP2118. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 7/2018—Rev. D to … |
| 修订版 | E |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
ADP2118. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 7/2018—Rev. D to Rev. E. 7/2012—Rev. A to Rev. B
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ADP2118 Data Sheet TABLE OF CONTENTS
Features .. 1 Tracking ... 14 Applications ... 1 Oscillator and Synchronization .. 15 General Description ... 1 Current Limit and Short-Circuit Protection .. 15 Revision History ... 2 Overvoltage Protection (OVP) ... 15 Specifications ... 3 Undervoltage Lockout (UVLO) ... 15 Absolute Maximum Ratings .. 5 Thermal Shutdown .. 15 Thermal Resistance .. 5 Power Good .. 15 ESD Caution .. 5 Applications Information .. 16 Pin Configuration and Function Descriptions ... 6 ADIsimPower Design Tool ... 16 Typical Performance Characteristics ... 7 Output Voltage Selection ... 16 Functional Block Diagram .. 13 Inductor Selection .. 16 Theory of Operation .. 14 Output Capacitor Selection ... 16 Control Scheme .. 14 Input Capacitor Selection .. 17 PWM Mode Operation .. 14 Voltage Tracking ... 17 PFM Mode Operation .. 14 Typical Application Circuits ... 18 Slope Compensation .. 14 Outline Dimensions ... 21 Enable/Shutdown ... 14 Ordering Guide .. 21 Integrated Soft Start ... 14
REVISION HISTORY 7/2018—Rev. D to Rev. E 7/2012—Rev. A to Rev. B
Changes to General Description Section .. 1 Changes to Features Section .. 1 Updated Outline Dimensions ... 21 Added ADIsimPower Design Tool Section ... 16 Changes to Ordering Guide .. 21
10/2009—Rev. 0 to Rev. A 6/2017—Rev. C to Rev. D
Changed Converter to Regulator (Throughout) ... 1 Changed LFCSP_WQ to LFCSP ... Throughout Changes to Applications Section ... 1 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21
7/2009—Revision 0: Initial Version 11/2012—Rev. B to Rev. C
Changed Ordering Guide .. 22 Rev. E | Page 2 of 24 Document Outline Features Applications General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Conditions ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good Applications Information ADIsimPower™ Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide
ADP2118 Data Sheet TABLE OF CONTENTS
Features .. 1 Tracking ... 14 Applications ... 1 Oscillator and Synchronization .. 15 General Description ... 1 Current Limit and Short-Circuit Protection .. 15 Revision History ... 2 Overvoltage Protection (OVP) ... 15 Specifications ... 3 Undervoltage Lockout (UVLO) ... 15 Absolute Maximum Ratings .. 5 Thermal Shutdown .. 15 Thermal Resistance .. 5 Power Good .. 15 ESD Caution .. 5 Applications Information .. 16 Pin Configuration and Function Descriptions ... 6 ADIsimPower Design Tool ... 16 Typical Performance Characteristics ... 7 Output Voltage Selection ... 16 Functional Block Diagram .. 13 Inductor Selection .. 16 Theory of Operation .. 14 Output Capacitor Selection ... 16 Control Scheme .. 14 Input Capacitor Selection .. 17 PWM Mode Operation .. 14 Voltage Tracking ... 17 PFM Mode Operation .. 14 Typical Application Circuits ... 18 Slope Compensation .. 14 Outline Dimensions ... 21 Enable/Shutdown ... 14 Ordering Guide .. 21 Integrated Soft Start ... 14
REVISION HISTORY 7/2018—Rev. D to Rev. E 7/2012—Rev. A to Rev. B
Changes to General Description Section .. 1 Changes to Features Section .. 1 Updated Outline Dimensions ... 21 Added ADIsimPower Design Tool Section ... 16 Changes to Ordering Guide .. 21
10/2009—Rev. 0 to Rev. A 6/2017—Rev. C to Rev. D
Changed Converter to Regulator (Throughout) ... 1 Changed LFCSP_WQ to LFCSP ... Throughout Changes to Applications Section ... 1 Updated Outline Dimensions ... 21 Changes to Ordering Guide .. 21
7/2009—Revision 0: Initial Version 11/2012—Rev. B to Rev. C
Changed Ordering Guide .. 22 Rev. E | Page 2 of 24 Document Outline Features Applications General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Conditions ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good Applications Information ADIsimPower™ Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide