Datasheet ADP1031 (Analog Devices) - 2
| Manufacturer | Analog Devices |
| Description | Three-Channel, Isolated Micropower Management Unit with Seven Digital Isolators |
| Pages / Page | 38 / 2 — ADP1031. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/2019—Rev. 0 … |
| Revision | A |
| File Format / Size | PDF / 1.5 Mb |
| Document Language | English |
ADP1031. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 12/2019—Rev. 0 to Rev. A. 1/2019—Revision 0: Initial Version
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ADP1031 Data Sheet TABLE OF CONTENTS
Features .. 1 Buck Regulator ... 25 Applications ... 1 Inverting Regulator .. 26 General Description ... 1 Power Good .. 26 Typical Application Circuit ... 1 Power-Up Sequence ... 26 Companion Products ... 1 Oscillator and Synchronization .. 26 Revision History ... 2 Thermal Shutdown .. 27 Specifications ... 3 Data Isolation .. 27 Regulatory Information ... 7 Applications Information .. 29 Electromagnectic Compatibility ... 8 Component Selection .. 29 Insulation and Safety Related Specifications .. 8 Flyback Regulator Components Selection .. 30 DIN V VDE 0884-10 (VDE V 0884-10) Insulation Buck Regulator Components Selection ... 33 Characteristics .. 9 Inverting Regulator Component Selection ... 33 Absolute Maximum Ratings .. 10 Insulation Lifetime ... 34 Thermal Resistance .. 10 Thermal Analysis ... 35 ESD Caution .. 10 Typical Application Circuit ... 36 Pin Configuration and Function Descriptions ... 11 PCB Layout Considerations .. 37 Typical Performance Characteristics ... 13 Outline Dimensions ... 38 Theory of Operation .. 23 Ordering Guide .. 38 Flyback Regulator ... 24
REVISION HISTORY 12/2019—Rev. 0 to Rev. A
and Use of Parameters Example Section, and Figure 75; Changes Table 9 .. 11 Renumbered Sequentially ... 35 Changes to Figure 48 and Figure 51 ... 20 Changes to Figure 76 .. 36 Changes to Figure 52 to Figure 57 .. 21 Updated Outline Dimensions ... 38 Changes to Figure 58 to Figure 63 .. 22 Changes to Ordering Guide .. 38 Changes to Insulation Lifetime Section ... 34 Added Surface Tracking Section, Insulation Wear Out Section,
1/2019—Revision 0: Initial Version
Equation 1 and Equation 2; Renumbered Sequentially, Calculation Rev. A | Page 2 of 38 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT COMPANION PRODUCTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS REGULATORY INFORMATION ELECTROMAGNECTIC COMPATIBILITY INSULATION AND SAFETY RELATED SPECIFICATIONS DIN V VDE 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION FLYBACK REGULATOR Flyback Regulator Operation Power Saving Mode (PSM) Flyback Undervoltage Lockout (UVLO) Flyback Regulator Precision Enable Control Flyback Regulator Soft Start Flyback Slew Rate Control Flyback Regulator Overcurrent Protection Flyback Regulator Overvoltage Protection BUCK REGULATOR Buck Regulator Operation Buck Regulator UVLO Buck Regulator Soft Start Buck Regulator Current-Limit Protection Buck Regulator OVP Buck Regulator Active Pull-Down Resistor INVERTING REGULATOR Inverting Regulator Operation Inverting Regulator UVLO Inverting Regulator Soft Start Inverting Regulator Current-Limit Protection Inverting Regulator OVP Inverting Regulator Active Pull-Down Resistor POWER GOOD POWER-UP SEQUENCE OSCILLATOR AND SYNCHRONIZATION THERMAL SHUTDOWN DATA ISOLATION High Speed SPI Channels GPIO Data Channels APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors Capacitor Selection FLYBACK REGULATOR COMPONENTS SELECTION Input Capacitor Output Capacitor Ripple Current vs. Capacitor Value Schottky Diode Transformer Turn Ratio Primary Inductance Flyback Transformer Saturation Current Series Winding Resistance Leakage Inductance and Clamping Circuits Clamping Resistor Clamping Capacitor Clamping Diode Diode Zener Diode Clamp Ripple Current (IAC) vs. Inductance Maximum Output Current Calculation BUCK REGULATOR COMPONENTS SELECTION Inductor Output Capacitor INVERTING REGULATOR COMPONENT SELECTION Inductor Output Capacitor Inverting Regulator Stability INSULATION LIFETIME Surface Tracking Insulation Wear Out Calculation and Use of Parameters Example THERMAL ANALYSIS TYPICAL APPLICATION CIRCUIT PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
ADP1031 Data Sheet TABLE OF CONTENTS
Features .. 1 Buck Regulator ... 25 Applications ... 1 Inverting Regulator .. 26 General Description ... 1 Power Good .. 26 Typical Application Circuit ... 1 Power-Up Sequence ... 26 Companion Products ... 1 Oscillator and Synchronization .. 26 Revision History ... 2 Thermal Shutdown .. 27 Specifications ... 3 Data Isolation .. 27 Regulatory Information ... 7 Applications Information .. 29 Electromagnectic Compatibility ... 8 Component Selection .. 29 Insulation and Safety Related Specifications .. 8 Flyback Regulator Components Selection .. 30 DIN V VDE 0884-10 (VDE V 0884-10) Insulation Buck Regulator Components Selection ... 33 Characteristics .. 9 Inverting Regulator Component Selection ... 33 Absolute Maximum Ratings .. 10 Insulation Lifetime ... 34 Thermal Resistance .. 10 Thermal Analysis ... 35 ESD Caution .. 10 Typical Application Circuit ... 36 Pin Configuration and Function Descriptions ... 11 PCB Layout Considerations .. 37 Typical Performance Characteristics ... 13 Outline Dimensions ... 38 Theory of Operation .. 23 Ordering Guide .. 38 Flyback Regulator ... 24
REVISION HISTORY 12/2019—Rev. 0 to Rev. A
and Use of Parameters Example Section, and Figure 75; Changes Table 9 .. 11 Renumbered Sequentially ... 35 Changes to Figure 48 and Figure 51 ... 20 Changes to Figure 76 .. 36 Changes to Figure 52 to Figure 57 .. 21 Updated Outline Dimensions ... 38 Changes to Figure 58 to Figure 63 .. 22 Changes to Ordering Guide .. 38 Changes to Insulation Lifetime Section ... 34 Added Surface Tracking Section, Insulation Wear Out Section,
1/2019—Revision 0: Initial Version
Equation 1 and Equation 2; Renumbered Sequentially, Calculation Rev. A | Page 2 of 38 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT COMPANION PRODUCTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS REGULATORY INFORMATION ELECTROMAGNECTIC COMPATIBILITY INSULATION AND SAFETY RELATED SPECIFICATIONS DIN V VDE 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION FLYBACK REGULATOR Flyback Regulator Operation Power Saving Mode (PSM) Flyback Undervoltage Lockout (UVLO) Flyback Regulator Precision Enable Control Flyback Regulator Soft Start Flyback Slew Rate Control Flyback Regulator Overcurrent Protection Flyback Regulator Overvoltage Protection BUCK REGULATOR Buck Regulator Operation Buck Regulator UVLO Buck Regulator Soft Start Buck Regulator Current-Limit Protection Buck Regulator OVP Buck Regulator Active Pull-Down Resistor INVERTING REGULATOR Inverting Regulator Operation Inverting Regulator UVLO Inverting Regulator Soft Start Inverting Regulator Current-Limit Protection Inverting Regulator OVP Inverting Regulator Active Pull-Down Resistor POWER GOOD POWER-UP SEQUENCE OSCILLATOR AND SYNCHRONIZATION THERMAL SHUTDOWN DATA ISOLATION High Speed SPI Channels GPIO Data Channels APPLICATIONS INFORMATION COMPONENT SELECTION Feedback Resistors Capacitor Selection FLYBACK REGULATOR COMPONENTS SELECTION Input Capacitor Output Capacitor Ripple Current vs. Capacitor Value Schottky Diode Transformer Turn Ratio Primary Inductance Flyback Transformer Saturation Current Series Winding Resistance Leakage Inductance and Clamping Circuits Clamping Resistor Clamping Capacitor Clamping Diode Diode Zener Diode Clamp Ripple Current (IAC) vs. Inductance Maximum Output Current Calculation BUCK REGULATOR COMPONENTS SELECTION Inductor Output Capacitor INVERTING REGULATOR COMPONENT SELECTION Inductor Output Capacitor Inverting Regulator Stability INSULATION LIFETIME Surface Tracking Insulation Wear Out Calculation and Use of Parameters Example THERMAL ANALYSIS TYPICAL APPLICATION CIRCUIT PCB LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE
