05
Power supply efficiency typical 87%~90% at normal AC main voltage and 20%~100%
load on all outputs.
2.5 Efficiency
When the logic level "PS-ON" is low, the DC outputs are to be enabled.
When the logic level is high or open collector, the DC outputs are to be disabled.
2.6 Remote ON/OFF control
The power supply shall have current limit to prevent the +3.3V,+5V,and +12V
outputs from exceeding the values shown in the following Table.If the current
limits are exceeded the power supply shall shutdown and latch off.
The power supply will be protected against over temperature conditions caused by
loss of fan cooling or excessive ambient temperature. In an OTP condition the PSU
will shutdown. When the power supply temperature drops to within specifide limits,
the power supply shall restore power automatically. The OTP circuit must have built
in hysteresis such that the power supply will not oscillate on and off due to temperature
recovering condition.
3.1 Over current protection
3. PROTECTION
ST75F-G
Voltage
+3.3V
+5V
+12V
Over Current Limit (Iout limit)
30A minimum; 50A maximum
30A minimum; 50A maximum
65A minimum; 105A maximum
Voltage
+3.3V
+5V
+12V
Over Current Limit (Iout limit)
30A minimum; 50A maximum
30A minimum; 50A maximum
85A minimum; 130A maximum
ST85F-G
Voltage
+3.3V
+5V
+12V
Over Current Limit (Iout limit)
30A minimum; 50A maximum
30A minimum; 50A maximum
75A minimum; 120A maximum
ST1000-G
Voltage
+3.3V
+5V
+12V
Over Current Limit (Iout limit)
30A minimum; 50A maximum
30A minimum; 50A maximum
105A minimum; 150A maximum
ST1200-G
06
STRIDER GOLD SERIES
output
+12 VDC
+5 VDC
+3.3 VDC
Minimum
13.3
5.70
3.90
Nominal
15.0
6.30
4.20
Maximum
16.5
7.00
4.50
Unit
Volts
Volts
Volts
The power supply will be shutdown and latch off when output power within 105~150%
of rated DC output.
Note: Assurance machine can work at low voltage, full load won't damage machine.
3.2 Over-power protection
The power supply will be shutdown and latch off when output power within 105~150%
of rated DC output.
Note: Assurance machine can work at low voltage,full load won't damage machine.
3.3 Over-power protection
In an under voltage fault occurs, the supply will latch all DC outputs into a shutdown
state when +12V,+5V & +3.3V outputs under 85% of it's maximum value.
3.4 Under voltage protection
The over voltage sense circuitry and reference shall reside in packages that are
separate and distinct from the regulator control circuity and reference. No single
point fault shall be able to cause a sustained over voltage condition on any or all
outputs. The supply shall provide latch-mode over voltage protection as defined
in Table.
3.5 Over voltage protection
An output short circuit is defined as any output impedance of less than 0.1 ohms.
The power supply shall shut down and latch off for shorting the +3.3 VDC,+5 VDC,
or+12 VDC rails to return or any other rail. Shorts between main output rails and
+5VSB shall not cause any damage to the power supply. The power supply shall
either shut down and latch off or fold back for shorting the negative rails.+5VSB
must be capable of being shorted indefinitely, but when the short is removed, the
power supply shall recover automatically or by cycling PS_ON# .The power supply
shall be capable of withstanding a continuous short-circuit to the output without
damage or overstress to the unit.
3.6 Short circuit
No damage or hazardous condition should occur with all the DC output connectors
disconnected from the load. The power supply may latch into the shutdown state.
3.7 No load operation
