Datasheet

Page5
3.5.2 Under-voltage protection
In the event of an under-voltage condition on +3.3 & +5Vdc &+12V the
power supply shall shutdown and require remote control or remove the AC
mains input to reset the system.
+5V : 4.2V (minimum)
+3.3V : 2.6V (minimum)
+12V : 10.0V (minimum)
3.5.3 OVER- CURRENT PROTECTION
There shall be protection from an output over-current event. The PSU may
shutdown form such an event and require power-on restart.
The overload currents should be ramped at a minimum rate of
10 A/s starting from full load.
Over-current test values:
Output Voltage 3.3V 5V 12V
1,2
Protecting trigger condition < 60A < 48A 19~26A
3.5.4 Short-Current Protection
An O/P short circuit is defined as any O/P impedance of less then 0.1 ohms.
The power supply shall shutdown and latch off for shorting
+3.3V, +5V or +12V rail to return or any other rail. and
+5VSB shall not cause any damage to the power supply. The
power supply shall either shutdown and latch off or fold back
for shorting negative rail. +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 withstanding a
continuous short-circuit to the O/P without damage or
overstress to the unit (for example to components, PCB
traces, connectors) under the I/P conditions specified.
3.5.5 Over-Temperature Protection
The power supply must protect itself by Over Temperatur Protection,
no any components damaged.
3.5.6 Over-Power Protection
The power supply must protect itself by Over Power Protection, no
any components damaged.
3.6 OUTPUT RISETIME
The cold-start enable main output voltage rise-time of all outputs shall be
measured with maximum load on all outputs. (with COND.10)
Rise time: +3.3V 20mS (maximum)
(10-90%) +5V 20mS (maximum)
+12 V 20mS (maximum)
-12 V 20mS (maximum)
The test condition: 115Vac/60Hz
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5/9禁止翻印外洩 ESD10049826-R6.pdf 發行時間:2011/4/18 3:57 下午