Datasheet ADP1032 (Analog Devices) - 8

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ADP1032 Data Sheet DIN V VDE 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS Table 6. 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, tINI = tM = 1 sec, VPD (M) 1060 VPEAK 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, partial VPD (M) 847 VPEAK discharge < 5 pC After Input and/or Safety Test Subgroup 2 VIORM × 1.2 = VPD (M), tINI = 60 sec, tM = 10 sec, partial 678 VPEAK and Subgroup 3 discharge < 5 pC Highest Allowable Overvoltage VIOTM 3537 VPEAK Surge Isolation Voltage VPEAK = 12.8 kV, 1.2 µs rise time, 50 µs, 50% fall time VIOSM 4000 VPEAK 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 W) ( R 2.0 OWE G P 1.5 ITIN LIM 1.0 FE A S 0.5 0 0 50 100 150 200
002
AMBIENT TEMPERATURE (°C)
20363- Figure 2. Thermal Derating Curve, Dependence of Safety Limiting Values with Ambient Temperature per DIN V VDE V 0884-10 Rev. 0 | Page 8 of 37 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 Active Pull-Down Resistor Buck Regulator OVP 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 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