ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474

Rev. 0 | Page 12 of 32

DIN V VDE V 0884-10 (VDE V 0884-10) INSULATION CHARACTERISTICS

These isolators are suitable for reinforced electrical isolation only within the safety limit data. Maintenance of the safety data is ensured by

protective circuits. The asterisk (*) marking on packages denotes DIN V VDE V 0884-10 approval.

Table 8.

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 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

560

V peak

Input-to-Output Test Voltage, Method B1

partial discharge < 5 pC

1050

V peak

Input-to-Output Test Voltage, Method A

After Environmental Tests Subgroup 1

896

V peak

After Input and/or Safety Test Subgroup 2

and Subgroup 3

672

V peak

Highest Allowable Overvoltage

4000

V peak

Safety Limiting Values

Maximum value allowed in the event of a failure

(see Figure 3)

Case Temperature

150

°C

Side 1 Current

1.25

A

Ω

0

0.25

0.50

0.75

1.00

1.25

1.50

0

50

100

150

200

AMBIENT TEMPERATURE (°C)

Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN EN 60747-5-2

RECOMMENDED OPERATING CONDITIONS

Table 9.

Parameter

Symbol

Min

Max

Unit

Operating Temperature

−40

+105

°C

Supply Voltages1

3.0

3.6

V

3.0

3.6

V

4.5

5.5

V

Minimum Load

10

mA