Datasheet ADP1031 (Analog Devices) - 9

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Data Sheet ADP1031 DIN V VDE 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS Table 5. Description Test Conditions/Comments Symbol Characteristic Unit
Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ 150 V rms I to III For Rated Mains Voltage ≤ 300 V rms I to II For Rated Mains Voltage ≤ 400 V rms I to I Climatic Classification 40/105/21 Pollution Degree per DIN VDE 0110, Table 1 2 Maximum Working Insulation Voltage VIORM 565 VPEAK Input to Output Test Voltage, Method B1 VIORM × 1.875 = Vpd (m), 100% production test, Vpd (m) 1060 VPEAK tini = tm = 1 sec, partial discharge < 5 pC Input to Output Test Voltage, Method A After Environmental Tests Subgroup 1 VIORM × 1.5 = Vpd (m), tini = 60 sec, tm = 10 sec, Vpd (m) 847 VPEAK partial discharge < 5 pC After Input and/or Safety Test Subgroup 2 and VIORM × 1.2 = Vpd (m), tini = 60 sec, tm = 10 sec, 678 VPEAK Subgroup 3 partial discharge < 5 pC Highest Allowable Overvoltage VIOTM 3537 VPEAK Surge Isolation Voltage VPEAK = 12.8 kV, 1.2 µs rise time, 50 µs, VIOSM 4000 VPEAK 50% fall time Safety Limiting Values Maximum value allowed in the event of a failure (see Figure 2) Maximum Junction Temperature TS 150 °C Total Power Dissipation at 25°C PS 2.48 W Insulation Resistance at TS VIO = 500 V RS >109 Ω
3.0 2.5 R (W) 2.0 OWE G P 1.5 ITIN LIM 1.0 SAFE 0.5 0
2
0 50 100 150 200
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AMBIENT TEMPERATURE (°C)
16434 Figure 2. Thermal Derating Curve, Dependence of Safety Limiting Values with Ambient Temperature per DIN V VDE V 0884-10 Rev. A | Page 9 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