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ADuM7703

Data Sheet

Rev. 0 | Page 6 of 22

DIN V VDE V 0884-10 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

CLIMATIC CLASSIFICATION

40/125/21

POLLUTION DEGREE (DIN VDE 0110, TABLE 1)

MAXIMUM WORKING INSULATION VOLTAGE

VIORM

1270

VPEAK

INPUT TO OUTPUT TEST VOLTAGE, METHOD B1

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

VPD(M)

2344

VPEAK

INPUT TO OUTPUT TEST VOLTAGE, METHOD A

VPR(M)

After Environmental Test Subgroup 1

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

2032

VPEAK

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

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

1524

VPEAK

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

VIOTM

8000

VPEAK

SURGE ISOLATION VOLTAGE

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

VIOSM

8000

VPEAK

SAFETY LIMITING VALUES (MAXIMUM VALUE ALLOWED IN THE EVENT OF A FAILURE)1

Case Temperature

150

°C

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

PSO

16-Lead SOIC_W

1.43

8-Lead SOIC_IC

1.19

INSULATION RESISTANCE AT TS, VOLTAGE INPUT TO OUTPUT (VIO) = 500 V

RIO

>109

1 See Figure 3.

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

050

100

AMBIENT TEMPERATURE (°C)

150

200

16-LEAD SOIC_W

8-LEAD SOIC_IC

Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values with Case Temperature per DIN V VDE V 0884-10

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