Datasheet ADP2386 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 20 V, 6 A, Synchronous Step-Down DC-to-DC Regulator |
| 页数 / 页 | 24 / 2 — ADP2386. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/15—Rev. B to … |
| 修订版 | C |
| 文件格式/大小 | PDF / 860 Kb |
| 文件语言 | 英语 |
ADP2386. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 10/15—Rev. B to Rev. C. 7/14—Rev. A to Rev. B. 4/13—Rev. 0 to Rev. A
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ADP2386 Data Sheet TABLE OF CONTENTS
Features .. 1 Applications Information .. 15 Applications ... 1 Input Capacitor Selection .. 15 Typical Applications Circuit .. 1 Output Voltage Setting .. 15 General Description ... 1 Voltage Conversion Limitations ... 15 Revision History ... 2 Inductor Selection .. 15 Specifications ... 3 Output Capacitor Selection... 16 Absolute Maximum Ratings .. 5 Programming the Input Voltage UVLO .. 17 Thermal Resistance .. 5 Compensation Design ... 17 ESD Caution .. 5 ADIsimPower Design Tool ... 18 Pin Configuration and Function Descriptions ... 6 Design Example .. 19 Typical Performance Characteristics ... 7 Output Voltage Setting (Design Example) .. 19 Functional Block Diagram .. 11 Frequency Setting ... 19 Theory of Operation .. 12 Inductor Selection (Design Example) ... 19 Control Scheme .. 12 Output Capacitor Selection (Design Example) .. 20 Precision Enable/Shutdown .. 12 Compensation Components ... 20 Internal Regulator (VREG) ... 12 Soft Start Time Program ... 20 Bootstrap Circuitry .. 12 Input Capacitor Selection (Design Example) ... 20 Oscillator ... 12 Recommended External Components .. 21 Synchronization .. 12 Circuit Board Layout Recommendations ... 22 Soft Start .. 13 Typical Applications Circuits .. 23 Power Good ... 13 Outline Dimensions ... 24 Peak Current-Limit and Short-Circuit Protection ... 13 Ordering Guide .. 24 Overvoltage Protection (OVP) ... 14 Undervoltage Lockout (UVLO) ... 14 Thermal Shutdown ... 14
REVISION HISTORY 10/15—Rev. B to Rev. C
Changes to Inductor Selection Section .. 16
7/14—Rev. A to Rev. B
Changes to Table 2 and Table 3 ... 5 Changes to Inductor Selection Section .. 15 Changes to Figure 33 .. 19 Changes to Compensation Components Section... 20 Updated Outline Dimensions ... 24
4/13—Rev. 0 to Rev. A
Changes to Figure 4 and Figure 7 ... 7 Updated Outline Dimensions ... 23 Changes to Ordering Guide .. 23
11/12—Revision 0: Initial Version
Rev. C | Page 2 of 24 Document Outline Features Applications Typical Applications Circuit General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator Synchronization Soft Start Power Good Peak Current-Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Programming the Input Voltage UVLO Compensation Design ADIsimPower Design Tool Design Example Output Voltage Setting (Design Example) Frequency Setting Inductor Selection (Design Example) Output Capacitor Selection (Design Example) Compensation Components Soft Start Time Program Input Capacitor Selection (Design Example) Recommended External Components Circuit Board Layout Recommendations Typical Applications Circuits Outline Dimensions Ordering Guide
ADP2386 Data Sheet TABLE OF CONTENTS
Features .. 1 Applications Information .. 15 Applications ... 1 Input Capacitor Selection .. 15 Typical Applications Circuit .. 1 Output Voltage Setting .. 15 General Description ... 1 Voltage Conversion Limitations ... 15 Revision History ... 2 Inductor Selection .. 15 Specifications ... 3 Output Capacitor Selection... 16 Absolute Maximum Ratings .. 5 Programming the Input Voltage UVLO .. 17 Thermal Resistance .. 5 Compensation Design ... 17 ESD Caution .. 5 ADIsimPower Design Tool ... 18 Pin Configuration and Function Descriptions ... 6 Design Example .. 19 Typical Performance Characteristics ... 7 Output Voltage Setting (Design Example) .. 19 Functional Block Diagram .. 11 Frequency Setting ... 19 Theory of Operation .. 12 Inductor Selection (Design Example) ... 19 Control Scheme .. 12 Output Capacitor Selection (Design Example) .. 20 Precision Enable/Shutdown .. 12 Compensation Components ... 20 Internal Regulator (VREG) ... 12 Soft Start Time Program ... 20 Bootstrap Circuitry .. 12 Input Capacitor Selection (Design Example) ... 20 Oscillator ... 12 Recommended External Components .. 21 Synchronization .. 12 Circuit Board Layout Recommendations ... 22 Soft Start .. 13 Typical Applications Circuits .. 23 Power Good ... 13 Outline Dimensions ... 24 Peak Current-Limit and Short-Circuit Protection ... 13 Ordering Guide .. 24 Overvoltage Protection (OVP) ... 14 Undervoltage Lockout (UVLO) ... 14 Thermal Shutdown ... 14
REVISION HISTORY 10/15—Rev. B to Rev. C
Changes to Inductor Selection Section .. 16
7/14—Rev. A to Rev. B
Changes to Table 2 and Table 3 ... 5 Changes to Inductor Selection Section .. 15 Changes to Figure 33 .. 19 Changes to Compensation Components Section... 20 Updated Outline Dimensions ... 24
4/13—Rev. 0 to Rev. A
Changes to Figure 4 and Figure 7 ... 7 Updated Outline Dimensions ... 23 Changes to Ordering Guide .. 23
11/12—Revision 0: Initial Version
Rev. C | Page 2 of 24 Document Outline Features Applications Typical Applications Circuit General Description Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme Precision Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator Synchronization Soft Start Power Good Peak Current-Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Applications Information Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Programming the Input Voltage UVLO Compensation Design ADIsimPower Design Tool Design Example Output Voltage Setting (Design Example) Frequency Setting Inductor Selection (Design Example) Output Capacitor Selection (Design Example) Compensation Components Soft Start Time Program Input Capacitor Selection (Design Example) Recommended External Components Circuit Board Layout Recommendations Typical Applications Circuits Outline Dimensions Ordering Guide