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AD7402

Data Sheet

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DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 INSULATION CHARACTERISTICS

This isolator is suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by

means of protective circuits.

Table 6.

Description

Symbol

Characteristic

Unit

INSTALLATION CLASSIFICATION PER DIN VDE 0110

For Rated Mains Voltage ≤ 300 V rms

I to IV

For Rated Mains Voltage ≤ 450 V rms

I to IV

For Rated Mains Voltage ≤ 600 V rms

I to IV

For Rated Mains Voltage ≤ 1000V rms

I to IV

CLIMATIC CLASSIFICATION

40/105/21

POLLUTION DEGREE (DIN VDE 0110, TABLE 1)

MAXIMUM WORKING INSULATION VOLTAGE

VIORM

1250

VPEAK

INPUT TO OUTPUT TEST VOLTAGE, METHOD B1

VPD(M)

2344

VPEAK

VIORM × 1.875 = VPR, 100% Production Test, tm = 1 Second, Partial Discharge < 5 pC

INPUT TO-OUTPUT TEST VOLTAGE, METHOD A

VPR(M)

After Environmental Test Subgroup 1

2000

VPEAK

VIORM × 1.6 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC

After Input and/or Safety Test Subgroup 2/Safety Test Subgroup 3

1500

VPEAK

VIORM × 1.2 = VPR, tm = 60 Seconds, Partial Discharge < 5 pC

HIGHEST ALLOWABLE OVERVOLTAGE (TRANSIENT OVERVOLTAGE, tTR = 10 Seconds)

VIOTM

8000

VPEAK

SURGE ISOLATION VOLTAGE

1.2 μs Rise Time, 50 μs, 50% Fall Time

VIOSM

12000

VPEAK

SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE, SEE Figure 3)

Case Temperature

150

°C

Side 1 (PVDD1) and Side 2 (PVDD2) Power Dissipation

PSO

1.19

INSULATION RESISTANCE AT TS, VIO = 500 V

RIO

>109

Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values

with Case Temperature per DIN V VDE V 0884-10

AMBIENT TEMPERATURE (°C)

100

150

200

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