Silverstone SST-ST30NF-V4.1 User Manual
2.5 AC Line Dropout
An AC line dropout of 20mS or less shall not cause any tripping of control signals or
protection circuits. If the AC dropout lasts longer than 20mS the power supply should
recover and meet all turn on requirements. The power supply shall meet the regulation
requirement over all rated AC voltages, frequencies, and output loading conditions. Any
dropout of the AC line shall not cause damage to the power supply. An AC line dropout is
defined as a drop in AC line to 0VAC at any phase of the AC line for any length of time.
2.6 AC Surge Voltages
The power supply shall be tested and be compliant with the requirements of IEC61000-4-5
Level 3 criteria for surge withstand capability, with the following conditions and exceptions.
The test equipment and calibrated waveforms shall comply with the requirements of
IEC61000-4-5 for open circuit voltage and short circuit current.
- These input transients must not cause any out of regulation conditions, such as overshoot
and undershoot, nor must it cause any nuisance trips of the power supply protection circuits.
- The surge-withstand test must not produce damage to the power supply.
- The power supply must meet surge-withstand test condition under maximum and minimum
DC output load conditions.
2.7 Surge Immunity, IEC61000-4-5
The peak value of the unidirectional surge waveform shall be 2KV for common mode and
1KV for differential mode of transient surge injection. No unsafe operation or no user
noticeable degradation is allowed under any condition. Automatic or manual recovery is
allowed for other conditions.
2.8 Electrical Fast Transient / Burst, IEC61000-4-4
No unsafe operation allowed under any condition. No user noticeable performance
degradation up to 1KV is allowed. Automatic or manual recovery is allowed for other
conditions.
2.9 Electrical Discharge, IEC61000-4-2
In addition to IEC61000-4-2, the following ESD tests should be conducted. Each surface area
of the unit under test should be subjected to twenty (20) successive static discharges, at each
of the follow voltages: 2KV, 3KV, 4KV, 5KV, 6KV, 8KV and 15KV.
All power supply outputs shall continue to operate within the parameters of this specification,
without glitches or interruption, while the power is operating as defined and subjected to 2kV
through 10kV ESD pulses. The direct ESD event shall not cause any out of regulation
conditions such as overshoot or undershoot. The power supply shall withstand these shocks
without nuisance trips of the Over-Voltage Protection, Over-Current Protection, or the
remote +5VDC, +12VDC shutdown circuitry.
An AC line dropout of 20mS or less shall not cause any tripping of control signals or
protection circuits. If the AC dropout lasts longer than 20mS the power supply should
recover and meet all turn on requirements. The power supply shall meet the regulation
requirement over all rated AC voltages, frequencies, and output loading conditions. Any
dropout of the AC line shall not cause damage to the power supply. An AC line dropout is
defined as a drop in AC line to 0VAC at any phase of the AC line for any length of time.
2.6 AC Surge Voltages
The power supply shall be tested and be compliant with the requirements of IEC61000-4-5
Level 3 criteria for surge withstand capability, with the following conditions and exceptions.
The test equipment and calibrated waveforms shall comply with the requirements of
IEC61000-4-5 for open circuit voltage and short circuit current.
- These input transients must not cause any out of regulation conditions, such as overshoot
and undershoot, nor must it cause any nuisance trips of the power supply protection circuits.
- The surge-withstand test must not produce damage to the power supply.
- The power supply must meet surge-withstand test condition under maximum and minimum
DC output load conditions.
2.7 Surge Immunity, IEC61000-4-5
The peak value of the unidirectional surge waveform shall be 2KV for common mode and
1KV for differential mode of transient surge injection. No unsafe operation or no user
noticeable degradation is allowed under any condition. Automatic or manual recovery is
allowed for other conditions.
2.8 Electrical Fast Transient / Burst, IEC61000-4-4
No unsafe operation allowed under any condition. No user noticeable performance
degradation up to 1KV is allowed. Automatic or manual recovery is allowed for other
conditions.
2.9 Electrical Discharge, IEC61000-4-2
In addition to IEC61000-4-2, the following ESD tests should be conducted. Each surface area
of the unit under test should be subjected to twenty (20) successive static discharges, at each
of the follow voltages: 2KV, 3KV, 4KV, 5KV, 6KV, 8KV and 15KV.
All power supply outputs shall continue to operate within the parameters of this specification,
without glitches or interruption, while the power is operating as defined and subjected to 2kV
through 10kV ESD pulses. The direct ESD event shall not cause any out of regulation
conditions such as overshoot or undershoot. The power supply shall withstand these shocks
without nuisance trips of the Over-Voltage Protection, Over-Current Protection, or the
remote +5VDC, +12VDC shutdown circuitry.