Datasheet ADP5076 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | 2 A/1.2 A DC-to-DC Switching Regulator with Independent Positive and Negative Outputs |
| 页数 / 页 | 23 / 2 — ADP5076. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/2019—Rev. 0 … |
| 修订版 | A |
| 文件格式/大小 | PDF / 725 Kb |
| 文件语言 | 英语 |
ADP5076. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/2019—Rev. 0 to Rev. A. 8/2019—Revision 0: Initial Version
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ADP5076 Data Sheet TABLE OF CONTENTS
Features .. 1 Precision Enabling ... 14 Applications ... 1 Soft Start .. 14 General Description ... 1 Slew Rate Control ... 14 Functional Block Diagram .. 1 Current-Limit Protection .. 14 Revision History ... 2 Overvoltage Protection .. 14 Specifications ... 3 Thermal Shutdown .. 14 Absolute Maximum Ratings .. 5 Startup Sequence .. 14 Thermal Resistance .. 5 Applications Information .. 16 ESD Caution .. 5 Component Selection .. 16 Pin Configuration and Function Descriptions ... 6 Output Capacitors .. 17 Typical Performance Characteristics ... 7 Loop Compensation .. 18 Theory of Operation .. 13 Common Applications .. 20 Pulse Width Modulation (PWM) Mode ... 13 Layout Considerations ... 22 Pulse Skip Modulation Mode ... 13 Outline Dimensions ... 23 UVLO ... 13 Ordering Guide .. 23 Oscillator and Synchronization .. 13 Internal Regulator .. 13
REVISION HISTORY 12/2019—Rev. 0 to Rev. A
Replaced Figure 1 ... 1 Replaced Figure 39 ... 13
8/2019—Revision 0: Initial Version
Rev. A | Page 2 of 23 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PULSE WIDTH MODULATION (PWM) MODE PULSE SKIP MODULATION MODE UVLO OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATOR PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION THERMAL SHUTDOWN STARTUP SEQUENCE APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors OUTPUT CAPACITORS Input Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection for the Boost Regulator Inductor Selection for the Inverting Regulator LOOP COMPENSATION Boost Regulator Inverting Regulator COMMON APPLICATIONS LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
ADP5076 Data Sheet TABLE OF CONTENTS
Features .. 1 Precision Enabling ... 14 Applications ... 1 Soft Start .. 14 General Description ... 1 Slew Rate Control ... 14 Functional Block Diagram .. 1 Current-Limit Protection .. 14 Revision History ... 2 Overvoltage Protection .. 14 Specifications ... 3 Thermal Shutdown .. 14 Absolute Maximum Ratings .. 5 Startup Sequence .. 14 Thermal Resistance .. 5 Applications Information .. 16 ESD Caution .. 5 Component Selection .. 16 Pin Configuration and Function Descriptions ... 6 Output Capacitors .. 17 Typical Performance Characteristics ... 7 Loop Compensation .. 18 Theory of Operation .. 13 Common Applications .. 20 Pulse Width Modulation (PWM) Mode ... 13 Layout Considerations ... 22 Pulse Skip Modulation Mode ... 13 Outline Dimensions ... 23 UVLO ... 13 Ordering Guide .. 23 Oscillator and Synchronization .. 13 Internal Regulator .. 13
REVISION HISTORY 12/2019—Rev. 0 to Rev. A
Replaced Figure 1 ... 1 Replaced Figure 39 ... 13
8/2019—Revision 0: Initial Version
Rev. A | Page 2 of 23 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PULSE WIDTH MODULATION (PWM) MODE PULSE SKIP MODULATION MODE UVLO OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATOR PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION THERMAL SHUTDOWN STARTUP SEQUENCE APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors OUTPUT CAPACITORS Input Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection for the Boost Regulator Inductor Selection for the Inverting Regulator LOOP COMPENSATION Boost Regulator Inverting Regulator COMMON APPLICATIONS LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE