Datasheet ADP1074 (Analog Devices) - 10

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ADP1074 Data Sheet DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS
This isolator is suitable for reinforced isolation within the safety limit data only. Maintenance of the safety data is ensured by protective circuits. Note that the asterisk (*) marked on the package denotes DIN V VDE V 0884-10 approval for a 560 V peak working voltage.
Table 7. DIN V VDE V 0884-10 (VDE V 0884-10) Insulation Characteristics for LGA Package Description Conditions Symbol Characteristic Unit
Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ 150 V rms I to IV For Rated Mains Voltage ≤ 300 V rms I to III For Rated Mains Voltage ≤ 400 V rms I to II 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 = VPR, 100% production test, tm = 1 sec, VPR 1060 VPEAK partial discharge < 5 pC Input-to-Output Test Voltage, Method A VIORM × 1.6 = VPR, tm = 60 sec, partial discharge < 5 pC VPR After Environmental Tests Subgroup 1 905 VPEAK After Input and/or Safety Test Subgroup 2 VIORM × 1.2 = VPR, tm = 60 sec, partial discharge < 5 pC 679 VPEAK and Subgroup 3 Highest Allowable Overvoltage Transient overvoltage, tTR = 10 seconds VTR 4242 VPEAK Surge Isolation Voltage Reinforced VPEAK = 10 kV, 1.2 µs rise time, 50 µs, 50% fall time VIOSM 6000 VPEAK Safety-Limiting Values Maximum value allowed in the event of a failure; see Figure 3 Case Temperature TS 150 °C Side 1 Current IS1 160 mA Side 2 Current IS2 170 mA Insulation Resistance at TS VIO = 500 V RS >109 Ω
1.2 ) (W ER 1.0 W PO EG 0.8 VR , P 0.6 DDA V G P TIN 0.4 A R E OP 0.2 FE A S 0 0 50 100 150 200
025
AMBIENT TEMPERATURE (°C)
15627- Figure 3. Thermal Derative Curve, Dependence of Safety Limiting Values with Ambient Temperature per DINV VDE V 0884-10 Rev. C | Page 10 of 32 Document Outline FEATURES APPLICATIONS SIMPLIFIED BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY GENERAL DESCRIPTION SPECIFICATIONS INSULATION AND SAFETY RELATED SPECIFICATIONS REGULATORY INFORMATION DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION DETAILED BLOCK DIAGRAM PRIMARY SIDE SUPPLY, INPUT VOLTAGE, AND LDO SECONDARY SIDE SUPPLY AND LDO PRECISION ENABLE SOFT START PROCEDURE OUTPUT VOLTAGE SENSING AND FEEDBACK LOOP COMPENSATION AND STEADY STATE OPERATION SLOPE COMPENSATION INPUT/OUTPUT CURRENT-LIMIT PROTECTION TEMPERATURE SENSING FREQUENCY SETTING (RT PIN) MAXIMUM DUTY CYCLE FREQUENCY SYNCHRONIZATION SYNCHRONOUS RECTIFIER (SR) DRIVERS OUTPUT OVERVOLTAGE PROTECTION (OVP) ACTIVE CLAMP (PGATE) LEADING EDGE BLANKING GATE DELAY AND SR DEAD TIME LIGHT LOAD MODE (LLM) AND SR PHASE IN EXTERNAL START-UP CIRCUIT SOFT STOP POWER GOOD OCP/FEEDBACK RECOVERY OUTPUT VOLTAGE TRACKING REMOTE SYSTEM RESET OCP COUNTER INSULATION LIFETIME LAYOUT GUIDELINES TYPICAL APPLICATION CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE NOTES