Datasheet ADP2108 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Compact, 600 mA, 3 MHz, Step-Down DC-to-DC Converter |
| 页数 / 页 | 20 / 2 — ADP2108. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 6/14—Rev. G to … |
| 修订版 | H |
| 文件格式/大小 | PDF / 1.1 Mb |
| 文件语言 | 英语 |
ADP2108. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 6/14—Rev. G to Rev. H. 4/09—Rev. B to Rev. C. 6/12—Rev. F to Rev. G
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ADP2108 Data Sheet TABLE OF CONTENTS
Features .. 1 Enable/Shutdown ... 11 Applications ... 1 Short-Circuit Protection .. 12 General Description ... 1 Undervoltage Lockout ... 12 Typical Applications Circuit .. 1 Thermal Protection .. 12 Revision History ... 2 Soft Start .. 12 Specifications ... 3 Current Limit .. 12 Absolute Maximum Ratings .. 4 100% Duty Operation .. 12 Thermal Resistance .. 4 Applications Information .. 13 ESD Caution .. 4 ADIsimPower Design Tool ... 13 Pin Configuration and Function Descriptions ... 5 External Component Selection .. 13 Typical Performance Characteristics ... 6 Thermal Considerations .. 14 Theory of Operation .. 11 PCB Layout Guidelines .. 14 Control Scheme .. 11 Evaluation Board .. 15 PWM Mode ... 11 Outline Dimensions ... 16 Power Save Mode .. 11 Ordering Guide .. 17
REVISION HISTORY 6/14—Rev. G to Rev. H 4/09—Rev. B to Rev. C
Updated Outline Dimensions ... 16 Changes to General Description Section ... 1
6/12—Rev. F to Rev. G 2/09—Rev. A to Rev. B
Change to Features Section ... 1 Added 5-Lead TSOT Package ... Universal Added ADIsimPower Design Tool Section ... 13 Changes to Absolute Maximum Ratings Section .. 4 Updated Outline Dimensions ... 16 Updated Outline Dimensions ... 16
1/12—Rev. E to Rev. F
Changes to Ordering Guide .. 17 Change to Table 3... 4
11/08—Rev. 0 to Rev. A
Changes to Output Capacitor Section ... 13 Changes to Figure 4 ... 6
10/10—Rev. D to Rev. E
Updated Outline Dimensions ... 16 Changed −40°C to +85°C to −40°C to +125°C Throughout ... 3
9/08—Revision 0: Initial Version
Changes to Ordering Guide .. 17
1/10—Rev. C to Rev. D
Changes to Ordering Guide .. 17 Rev. H | Page 2 of 20 Document Outline Features Applications General Description Typical Applications Circuit Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Power Save Mode Power Save Mode Current Threshold Enable/Shutdown Short-Circuit Protection Undervoltage Lockout Thermal Protection Soft Start Current Limit 100% Duty Operation Applications Information ADIsimPower Design Tool External Component Selection Inductor Output Capacitor Input Capacitor Thermal Considerations PCB Layout Guidelines Evaluation Board Outline Dimensions Ordering Guide
ADP2108 Data Sheet TABLE OF CONTENTS
Features .. 1 Enable/Shutdown ... 11 Applications ... 1 Short-Circuit Protection .. 12 General Description ... 1 Undervoltage Lockout ... 12 Typical Applications Circuit .. 1 Thermal Protection .. 12 Revision History ... 2 Soft Start .. 12 Specifications ... 3 Current Limit .. 12 Absolute Maximum Ratings .. 4 100% Duty Operation .. 12 Thermal Resistance .. 4 Applications Information .. 13 ESD Caution .. 4 ADIsimPower Design Tool ... 13 Pin Configuration and Function Descriptions ... 5 External Component Selection .. 13 Typical Performance Characteristics ... 6 Thermal Considerations .. 14 Theory of Operation .. 11 PCB Layout Guidelines .. 14 Control Scheme .. 11 Evaluation Board .. 15 PWM Mode ... 11 Outline Dimensions ... 16 Power Save Mode .. 11 Ordering Guide .. 17
REVISION HISTORY 6/14—Rev. G to Rev. H 4/09—Rev. B to Rev. C
Updated Outline Dimensions ... 16 Changes to General Description Section ... 1
6/12—Rev. F to Rev. G 2/09—Rev. A to Rev. B
Change to Features Section ... 1 Added 5-Lead TSOT Package ... Universal Added ADIsimPower Design Tool Section ... 13 Changes to Absolute Maximum Ratings Section .. 4 Updated Outline Dimensions ... 16 Updated Outline Dimensions ... 16
1/12—Rev. E to Rev. F
Changes to Ordering Guide .. 17 Change to Table 3... 4
11/08—Rev. 0 to Rev. A
Changes to Output Capacitor Section ... 13 Changes to Figure 4 ... 6
10/10—Rev. D to Rev. E
Updated Outline Dimensions ... 16 Changed −40°C to +85°C to −40°C to +125°C Throughout ... 3
9/08—Revision 0: Initial Version
Changes to Ordering Guide .. 17
1/10—Rev. C to Rev. D
Changes to Ordering Guide .. 17 Rev. H | Page 2 of 20 Document Outline Features Applications General Description Typical Applications Circuit Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Power Save Mode Power Save Mode Current Threshold Enable/Shutdown Short-Circuit Protection Undervoltage Lockout Thermal Protection Soft Start Current Limit 100% Duty Operation Applications Information ADIsimPower Design Tool External Component Selection Inductor Output Capacitor Input Capacitor Thermal Considerations PCB Layout Guidelines Evaluation Board Outline Dimensions Ordering Guide