Datasheet ADP1864 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT |
| 页数 / 页 | 16 / 2 — ADP1864. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/12—Rev. B to … |
| 修订版 | C |
| 文件格式/大小 | PDF / 240 Kb |
| 文件语言 | 英语 |
ADP1864. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/12—Rev. B to Rev. C. 4/08—Rev. A to Rev. B. 2/07—Rev 0. to Rev. A
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ADP1864 Data Sheet TABLE OF CONTENTS
Features .. 1 Soft Start ...9 Applications ... 1 Applications Information .. 10 General Description ... 1 Duty Cycle ... 10 Typical Applications Diagram .. 1 Ripple Current .. 10 Revision History ... 2 Sense Resistor.. 10 Specifications ... 3 Inductor Value .. 10 Absolute Maximum Ratings .. 4 MOSFET .. 11 ESD Caution .. 4 Diode .. 11 Pin Configuration and Function Descriptions ... 5 Input Capacitor ... 11 Typical Performance Characteristics ... 6 Output Capacitor .. 11 Theory of Operation .. 8 Feedback Resistors ... 11 Loop Startup .. 8 Layout Considerations ... 12 Short-Circuit Protection .. 9 Example Applications Circuits ... 13 Undervoltage Lockout (UVLO) ... 9 Outline Dimensions ... 14 Overvoltage Lockout Protection (OVP).. 9 Ordering Guide .. 14
REVISION HISTORY 8/12—Rev. B to Rev. C
Change to Features Section ... 1 Added ADIsimPower Design Tool Section ... 10 Updated Outline Dimensions ... 14 Changes to Ordering Guide .. 14
4/08—Rev. A to Rev. B
Change General Description Section ... 1 Deleted Figure 2 .. 1 Change to FB Regulation Voltage Parameter .. 3 Change to MOSFET Section ... 11 Changes to Ordering Guide .. 14
2/07—Rev 0. to Rev. A
Updated Format .. Universal Changes to Figure 1 .. 1 Changes to General Description .. 2 Changes to Specifications .. 3 Change to Figure 13 ... 8 Replaced Layout Considerations Section .. 12 Replaced Example Applications Circuits Section .. 13
10/05—Revision 0: Initial Version
Rev. C | Page 2 of 16 Document Outline Features Applications General Description Typical Applications Diagram Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Loop Startup Short-Circuit Protection Undervoltage Lockout (UVLO) Overvoltage Lockout Protection (OVP) Soft Start Applications Information ADIsimPower Design Tool Duty Cycle Ripple Current Sense Resistor Inductor Value MOSFET Diode Input Capacitor Output Capacitor Feedback Resistors Layout Considerations Example Applications Circuits Outline Dimensions Ordering Guide
ADP1864 Data Sheet TABLE OF CONTENTS
Features .. 1 Soft Start ...9 Applications ... 1 Applications Information .. 10 General Description ... 1 Duty Cycle ... 10 Typical Applications Diagram .. 1 Ripple Current .. 10 Revision History ... 2 Sense Resistor.. 10 Specifications ... 3 Inductor Value .. 10 Absolute Maximum Ratings .. 4 MOSFET .. 11 ESD Caution .. 4 Diode .. 11 Pin Configuration and Function Descriptions ... 5 Input Capacitor ... 11 Typical Performance Characteristics ... 6 Output Capacitor .. 11 Theory of Operation .. 8 Feedback Resistors ... 11 Loop Startup .. 8 Layout Considerations ... 12 Short-Circuit Protection .. 9 Example Applications Circuits ... 13 Undervoltage Lockout (UVLO) ... 9 Outline Dimensions ... 14 Overvoltage Lockout Protection (OVP).. 9 Ordering Guide .. 14
REVISION HISTORY 8/12—Rev. B to Rev. C
Change to Features Section ... 1 Added ADIsimPower Design Tool Section ... 10 Updated Outline Dimensions ... 14 Changes to Ordering Guide .. 14
4/08—Rev. A to Rev. B
Change General Description Section ... 1 Deleted Figure 2 .. 1 Change to FB Regulation Voltage Parameter .. 3 Change to MOSFET Section ... 11 Changes to Ordering Guide .. 14
2/07—Rev 0. to Rev. A
Updated Format .. Universal Changes to Figure 1 .. 1 Changes to General Description .. 2 Changes to Specifications .. 3 Change to Figure 13 ... 8 Replaced Layout Considerations Section .. 12 Replaced Example Applications Circuits Section .. 13
10/05—Revision 0: Initial Version
Rev. C | Page 2 of 16 Document Outline Features Applications General Description Typical Applications Diagram Revision History Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Loop Startup Short-Circuit Protection Undervoltage Lockout (UVLO) Overvoltage Lockout Protection (OVP) Soft Start Applications Information ADIsimPower Design Tool Duty Cycle Ripple Current Sense Resistor Inductor Value MOSFET Diode Input Capacitor Output Capacitor Feedback Resistors Layout Considerations Example Applications Circuits Outline Dimensions Ordering Guide