Data Sheet

ADuM4470/ADuM4471/ADuM4472/ADuM4473/ADuM4474

Rev. 0 | Page 13 of 36

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. Protective circuits ensure maintenance of

the safety data. 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 IV

For Rated Mains Voltage ≤ 400 V rms

I to III

Climatic Classification

40/105/21

Pollution Degree per DIN VDE 0110, Table 1

2

Maximum Working Insulation Voltage

V

IORM

849

V peak

Input-to-Output Test Voltage, Method B1

V

t

V

pd (m)

1592

V peak

Input-to-Output Test Voltage, Method A

V

partial discharge < 5 pC

V

pd (m)

After Environmental Tests Subgroup 1

1273

V peak

After Input and/or Safety Test Subgroup 2

and Subgroup 3

V

partial discharge < 5 pC

1018

V peak

Highest Allowable Overvoltage

V

IOTM

6000

V peak

Surge Isolation Voltage

V

V

IOSM

6000

V peak

Safety Limiting Values

Maximum value allowed in the event of a failure

(see Figure 7)

Case Temperature

T

S

150

°C

Side 1, Side 2 P

P

2.78

W

Insulation Resistance at T

S

V

R

S

Ω

0

100

200

300

400

500

600

0

50

100

150

200

AMBIENT TEMPERATURE (°C)

Figure 7. Thermal Derating Curve, Dependence of Safety Limiting Values on Case Temperature, per DIN V VDE V 0884-10

RECOMMENDED OPERATING CONDITIONS

Table 9.

Parameter

Symbol

Min

Max

Unit

Temperature

Operating Temperature

T

A

−40

+105

°C

Supply Voltage

V

V

DD1

3.0

3.6

V

V

V

DD1

4.5

5.5

V

V

V

DD1

4.5

5.5

V

Load

Minimum Load

I

ISO (MIN)

10

mA