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Data Sheet

ADE7978/ADE7933/ADE7932

Rev. 0 | Page 15 of 120

DIN V VDE V 0884-10 (VDE V 0884-10):2006-12 Insulation Characteristics

The ADE7933/ADE7932 are suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is

ensured by the protective circuits.

Table 9.

Description

Test Conditions/Comments

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 IV

For Rated Mains Voltage ≤ 400 V rms

I to III

Climatic Classification

40/105/21

Pollution Degree per DIN VDE 0110, Table 1

Maximum Working Insulation Voltage

VIORM

846

V peak

Input-to-Output Test Voltage, Method B1

VIORM × 1.875 = Vpd(m), 100% production test,

tini = tm = 1 sec, partial discharge < 5 pC

Vpd(m)

1592

V peak

Input-to-Output Test Voltage, Method A

Vpd(m)

After Environmental Tests Subgroup 1

VIORM × 1.5 = Vpd(m), tini = 60 sec, tm = 10 sec, partial

discharge < 5 pC

1273

V peak

After Input and/or Safety Tests Subgroup 2

and Subgroup 3

VIORM × 1.2 = Vpd(m), tini = 60 sec, tm = 10 sec, partial

discharge < 5 pC

1018

V peak

Highest Allowable Overvoltage

VIOTM

6000

V peak

Surge Isolation Voltage

VPEAK = 10 kV; 1.2 µs rise time; 50 µs, 50% fall time

VIOSM

6000

V peak

Safety Limiting Values

Maximum value allowed in the event of a failure

(see Figure 9)

Maximum Junction Temperature

150

°C

Total Power Dissipation at 25°C

2.78

Insulation Resistance at TS

VIO = 500 V

>109

Ω

3.0

0.5

1.0

1.5

2.0

2.5

200

150

100

AMBIENT TEMPERATURE (ºC)

Figure 9. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN EN 60747-5-2

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