Datasheet ADP1031 (Analog Devices) - 8

ADP1031 Data Sheet ELECTROMAGNECTIC COMPATIBILITY Table 3. Regulatory Body Standard Comment
SGS-CCSR CISPR11 Class B Tested using the system board with the AD5758
INSULATION AND SAFETY RELATED SPECIFICATIONS Table 4. Parameter Symbol Value Unit Test Conditions/Comments
Rated Dielectric Insulation Voltage 2500 V rms 1-minute duration Minimum External Air Gap (Clearance) Field Power Domain to Master Domain 2.15 mm min Measured from field power pins and pads to master pins and pads, shortest distance through air Field Power Domain to Slave Domain 2.15 mm min Measured from field power pins and pads to slave pins and pads, shortest distance through air Master Domain to Slave Domain 2.15 mm min Measured from master pins and pads to slave pins and pads, shortest distance through air Minimum External Tracking (Creepage) Field Power Domain to Master Domain 2.15 mm min Measured from field power pins and pads to master pins and pads, shortest distance path along body Field Power Domain to Slave Domain 2.15 mm min Measured from field power pins and pads to slave pins and pads, shortest distance path along body Master Domain to Slave Domain 2.15 mm min Measured from master pins and pads to slave pins and pads, shortest distance path along body Minimum Internal Gap (Internal Clearance) 18 µm min Insulation distance through insulation Tracking Resistance (Comparative Tracking Index) CTI >400 V DIN IEC 112/VDE 0303, Part 1 Material Group II Material group (DIN VDE 0110, 1/89, Table 1) Rev. A | Page 8 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