AN2208 datasheet(40/51 Pages) STMICROELECTRONICS

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7 Test results

AN2208

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Test result: The VN340SP HSD worked properly during the test.

IEC 61000-4-5 surge test results

The board was tested with 42

Ω coupling/decoupling network. All channels were active during

the test. Different combinations of channel activity were also tested. Table 10 lists test results.

A 4.7nF 500V capacitor was placed between the power supply and earth protection.

Test result: The VN340SP HSD worked properly during the test.

IEC61000-4-6 conducted immunity test results

The test was executed according the standard with required levels. Table 11 lists test results.

Test results: Loss of function was observed during the test on output lines when HSD input

was OFF. Lamps shone little bit. (Normal behavior: Lamps switched OFF.)

Table 9.

EMC test IEC 61000-4-4 EFT test results (VN340SP RDB)

IEC 61000-4-4 Burst Test

Test Condition

RDB VN340SP 1/2

RDB VN340SP 2/2

Power supply

Input ON

±4kV OK

Input OFF

±4kV OK

Switch @ 1Hz

±4kV OK

Output

Input ON

±4kV OK

Input OFF

±4kV OK

Switch @ 1Hz

±4kV OK

Input

Input ON

±4kV OK

Input OFF

±4kV OK

Table 10.

EMC test IEC61000-4-5 surge test results (VN340SP RDB)

IEC 61000-4-5 Surge Test

Test Condition

VN340SP RDB 1/2

VN340SP RDB 2/2

Power supply VCC to

GND:_Power

Input ON

±2kV OK

Input OFF

±2kV OK

VCC to Earth

Input ON

±2kV OK

Input OFF

±2kV OK

GND to Earth

Input ON

±2kV OK

Input OFF

±2kV OK

Output of the RDB to VCC

Input ON

±2kV OK

Input OFF

±2kV OK

Output of the RDB to

GND_Power

Input ON

±2kV OK

Input OFF

±2kV OK

Output of the RDB to Earth

Input ON

±2kV OK

Input OFF

±2kV OK

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