Datasheet ADP5040 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Micro PMU with 1.2 A Buck Regulator and Two 300 mA LDOs |
| 页数 / 页 | 37 / 2 — ADP5040. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 5/2019—Rev. C … |
| 修订版 | D |
| 文件格式/大小 | PDF / 4.3 Mb |
| 文件语言 | 英语 |
ADP5040. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 5/2019—Rev. C to Rev. D. 1/2014—Rev. 0 to Rev. A. 4/2018—Rev. B to Rev. C
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ADP5040 Data Sheet TABLE OF CONTENTS
Features .. 1 Power Management Unit ... 25 General Description ... 1 Buck Section .. 26 Functional Block Diagram .. 1 LDO Section ... 27 Revision History ... 2 Applications Information .. 29 Specifications ... 3 Buck External Component Selection ... 29 General Specifications ... 3 LDO External Component Selection .. 30 Buck Specifications ... 3 Power Dissipation/Thermal Considerations ... 31 LDO1, LDO2 Specifications ... 4 Application Diagram ... 33 Input and Output Capacitor, Recommended Specifications .. 5 PCB Layout Guidelines .. 34 Absolute Maximum Ratings .. 6 Suggested Layout .. 34 Thermal Resistance .. 6 Bill of Materials ... 35 ESD Caution .. 6 Factory Programmable Options ... 36 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 37 Typical Performance Characteristics ... 8 Ordering Guide .. 37 Theory of Operation .. 25
REVISION HISTORY 5/2019—Rev. C to Rev. D 1/2014—Rev. 0 to Rev. A
Changes to Figure 106 .. 30 Change to Figure 1 .. 1 Change to Figure 106 ... 30
4/2018—Rev. B to Rev. C
Change to Figure 108 ... 33 Updated Outline Dimensions ... 37 Change to Figure 109 ... 34 Changes to Ordering Guide .. 37
12/2011—Revision 0: Initial Version 3/2017—Rev. A to Rev. B
Changes to Figure 2 and Table 7 ... 8 Rev. D | Page 2 of 37 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS GENERAL SPECIFICATIONS BUCK SPECIFICATIONS LDO1, LDO2 SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown Active Pull-Down BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Feedback Resistors Inductor Output Capacitor Input Capacitor LDO EXTERNAL COMPONENT SELECTION Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties POWER DISSIPATION/THERMAL CONSIDERATIONS Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature APPLICATION DIAGRAM PCB LAYOUT GUIDELINES SUGGESTED LAYOUT BILL OF MATERIALS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE
ADP5040 Data Sheet TABLE OF CONTENTS
Features .. 1 Power Management Unit ... 25 General Description ... 1 Buck Section .. 26 Functional Block Diagram .. 1 LDO Section ... 27 Revision History ... 2 Applications Information .. 29 Specifications ... 3 Buck External Component Selection ... 29 General Specifications ... 3 LDO External Component Selection .. 30 Buck Specifications ... 3 Power Dissipation/Thermal Considerations ... 31 LDO1, LDO2 Specifications ... 4 Application Diagram ... 33 Input and Output Capacitor, Recommended Specifications .. 5 PCB Layout Guidelines .. 34 Absolute Maximum Ratings .. 6 Suggested Layout .. 34 Thermal Resistance .. 6 Bill of Materials ... 35 ESD Caution .. 6 Factory Programmable Options ... 36 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 37 Typical Performance Characteristics ... 8 Ordering Guide .. 37 Theory of Operation .. 25
REVISION HISTORY 5/2019—Rev. C to Rev. D 1/2014—Rev. 0 to Rev. A
Changes to Figure 106 .. 30 Change to Figure 1 .. 1 Change to Figure 106 ... 30
4/2018—Rev. B to Rev. C
Change to Figure 108 ... 33 Updated Outline Dimensions ... 37 Change to Figure 109 ... 34 Changes to Ordering Guide .. 37
12/2011—Revision 0: Initial Version 3/2017—Rev. A to Rev. B
Changes to Figure 2 and Table 7 ... 8 Rev. D | Page 2 of 37 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS GENERAL SPECIFICATIONS BUCK SPECIFICATIONS LDO1, LDO2 SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown Active Pull-Down BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Feedback Resistors Inductor Output Capacitor Input Capacitor LDO EXTERNAL COMPONENT SELECTION Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties POWER DISSIPATION/THERMAL CONSIDERATIONS Buck Regulator Power Dissipation LDO Regulator Power Dissipation Junction Temperature APPLICATION DIAGRAM PCB LAYOUT GUIDELINES SUGGESTED LAYOUT BILL OF MATERIALS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE