Datasheet ADP5304 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Ultralow Power Step-Down Regulator with Input Voltage Monitor and Regulation |
| 页数 / 页 | 17 / 2 — ADP5304. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 10/15—Revision … |
| 文件格式/大小 | PDF / 562 Kb |
| 文件语言 | 英语 |
ADP5304. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 10/15—Revision 0: Initial Version
该数据表的模型线
文件文字版本
link to page 1 link to page 1 link to page 1 link to page 1 link to page 2 link to page 3 link to page 4 link to page 5 link to page 5 link to page 5 link to page 6 link to page 7 link to page 11 link to page 11 link to page 11 link to page 11 link to page 11 link to page 11 link to page 12 link to page 12 link to page 12 link to page 12 link to page 12 link to page 12 link to page 12 link to page 13 link to page 13 link to page 13 link to page 13 link to page 14 link to page 14 link to page 15 link to page 16 link to page 17 link to page 17
ADP5304 Data Sheet TABLE OF CONTENTS
Features .. 1 Current Limit .. 12 Applications ... 1 Short-Circuit Protection .. 12 Typical Application Circuit ... 1 Soft Start .. 12 General Description ... 1 Startup with Precharged Output .. 12 Revision History ... 2 100% Duty Operation .. 12 Detailed Functional Block Diagram .. 3 Active Discharge ... 12 Specifications ... 4 Thermal Shutdown .. 12 Absolute Maximum Ratings .. 5 Applications Information .. 13 Thermal Resistance .. 5 External Component Selection .. 13 ESD Caution .. 5 Selecting the Inductor .. 13 Pin Configuration and Function Descriptions ... 6 Output Capacitor .. 13 Typical Performance Characteristics ... 7 Input Capacitor ... 14 Theory of Operation .. 11 Layout Recommendations .. 14 Buck Regulator Operational Mode .. 11 Typical Application Circuits ... 15 Adjustable and Fixed Output Voltages .. 11 Factory Programmable Options ... 16 Undervoltage Lockout (UVLO) ... 11 Outline Dimensions ... 17 Enable/Disable .. 11 Ordering Guide .. 17 VINOK Function .. 11
REVISION HISTORY 10/15—Revision 0: Initial Version
Rev. 0 | Page 2 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE
ADP5304 Data Sheet TABLE OF CONTENTS
Features .. 1 Current Limit .. 12 Applications ... 1 Short-Circuit Protection .. 12 Typical Application Circuit ... 1 Soft Start .. 12 General Description ... 1 Startup with Precharged Output .. 12 Revision History ... 2 100% Duty Operation .. 12 Detailed Functional Block Diagram .. 3 Active Discharge ... 12 Specifications ... 4 Thermal Shutdown .. 12 Absolute Maximum Ratings .. 5 Applications Information .. 13 Thermal Resistance .. 5 External Component Selection .. 13 ESD Caution .. 5 Selecting the Inductor .. 13 Pin Configuration and Function Descriptions ... 6 Output Capacitor .. 13 Typical Performance Characteristics ... 7 Input Capacitor ... 14 Theory of Operation .. 11 Layout Recommendations .. 14 Buck Regulator Operational Mode .. 11 Typical Application Circuits ... 15 Adjustable and Fixed Output Voltages .. 11 Factory Programmable Options ... 16 Undervoltage Lockout (UVLO) ... 11 Outline Dimensions ... 17 Enable/Disable .. 11 Ordering Guide .. 17 VINOK Function .. 11
REVISION HISTORY 10/15—Revision 0: Initial Version
Rev. 0 | Page 2 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE