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AD7401 データシート(PDF) 6 Page - Analog Devices |
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AD7401 データシート(HTML) 6 Page - Analog Devices |
6 / 20 page AD7401 Rev. 0 | Page 6 of 20 DIN EN 60747-5-2 (VDE 0884 PART 2) INSULATION CHARACTERISTICS This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by means of protective circuits. Table 5. Description Symbol Characteristic Unit Installation Classification per DIN VDE 0110 For Rated Mains Voltage ≤ 300 Vrms I–IV For Rated Mains Voltage ≤ 450 Vrms I–II For Rated Mains Voltage ≤ 600 Vrms I–II Climatic Classification 40/105/21 Pollution Degree (DIN VDE 0110, Table I) 2 Maximum Working Insulation Voltage VIORM 891 V peak Input-to-Output Test Voltage, Method b1 VPR 1671 V peak VIORM × 1.875 = VPR, 100% Production Test, tm = 1 sec, Partial Discharge < 5 pC Input-to-Output Test Voltage, Method a VPR After Environmental Test Subgroup 1 1426 V peak VIORM × 1.6 = VPR, tm = 60 sec, Partial Discharge < 5pC After Input and/or Safety Test Subgroup 2/3 1069 V peak VIORM × 1.2 = VPR, tm = 60 sec, Partial Discharge < 5pC Highest Allowable Overvoltage (Transient Overvoltage, tTR = 10 sec) VTR 6000 V peak Safety-Limiting Values (Maximum Value Allowed in the Event of a Failure, Also See Figure 4) Case Temperature TS 150 °C Side 1 Current IS1 265 mA Side 2 Current IS2 335 mA Insulation Resistance at TS, VIO = 500 V RS >109 Ω CASE TEMPERATURE (°C) 0 0 350 300 250 200 150 100 50 50 100 150 200 SIDE #1 SIDE #2 Figure 4. Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per DIN EN 60747-5-2 |
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同様の説明 - AD7401 |
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