SilverStone ST65EF [4/6] St60f p p114 5 6 pdf
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SilverStone ST65EF [4/6] St60f p p114 5 6 pdf

SilverStone ST60F-P [4/6] St60f p p114 5 6 pdf
05
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.
Figure 2. PS-OK Timing Sequence
In the event of a fan failure or the vents being blocked, the power supply shall
have protection such that any over temperature condition caused by these
events shall protect the power supply from damage or abnormal and/or
dangerous operation.
A shutdown of the power supply is acceptable.
A temperature derating factor less than 110% for the critical components is
recommended before the power supply is shut down.
Temperature derating factors higher than 110% can be evaluated on a case
by case basis.
Figure 2 is a reference for signal timing for main power connector signals and
rails.
(1)T2: Rise time (0.1ms~20ms)
(2)T3: Power good turn on delay time (100ms~500ms)
(3)T4: Power good turn off delay time (1ms min)
(4)T5: Rise time (10ms max)
4. TIMING
3.4 Over Current Protection
4.1 Signal timing drawing
06
4.2. Output Transient Response
4.3 Hold up time (T6 of figure 2.)
Table 13. summarizes the expected output transient step sizes for each output.
The transient load slew rate is =1.0A/us.
For example, for a rated +5 VDC output of 18A,the transient step would be
30% x 18A=5.4A
When the power loss its input power, The output shall maintain 10ms in regulation
ranges at nominal input voltage. (AC:115V/60Hz or 230V/50Hz/90% load).
4.4 Capacitive Load-REQUIRED
The power supply should be able to power up and operate with the regulation
limits defined in Table ,With the following capacitances simultaneously present
on the DC outputs.
Output voltages should remin within the remain within the regulation limits of
Section 2.1,and the power supply should stable when subjected to load transients
per Table 13. from any steady state load, including any or all of the following
conditions:
* Simultaneous load steps on the +12 VDC,+5 VDC, and +3.3 VDC outputs
(all steps occurring in the same direction)
* Load-changing repetition rate of 50 Hz to 10 kHz
* AC input range per Section 1.0
* +5vsb Loading min 0.1A
Table 13. DC Output Transient Step Sizes
Output
+12VDC
+5 VDC
+3.3 VDC
-12 VDC
+5 VSB
(% of rated output amps per Sec 3.2.3)
60%
30%
30%
(amps)
0.1A
0.5A
(1)
(1)
Max. step size Max. step size
STRIDER PLUS SERIES

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