SilverStone ST46GF Manual User Manual
Page 4

3. DC Output Specification
3.1 Output Current / Loading
The following table defines power and current rating. The power supply shall meet
both static and dynamic voltage regulation requirements for minimum load condition.
3.2 DC Voltage Regulation, Ripple and Noise
The power supply output voltages must stay within the following voltage limits when
operating at steady state and dynamic loading conditions. All outputs are measured
with reference to the return remote sense (ReturnS) signal. The +5V,+3.3V, +12V,
-5V,-12V and +5VSB outputs are measure at the power supply connectors references
to ReturnS. The +5V and +3.3V is measured at its remote sense signal (+5VS, +3.3VS)
located at the signal connector.
Table 2– Output Loads Range 1:
Note 1: Maximum continuous total DC output power should not exceed 460 W.
Table 3 – Regulation, ripple and noise
Ripple and Noise shall be measured using the following methods:
a) Measurements made differentially to eliminate common-mode noise
b) Ground lead length of oscilloscope probe shall be ? 0.25 inch.
c) Measurements made where the cable connectors attach to the load.
d) Outputs bypassed at the point of measurement with a parallel combination of
10uF tantalum capacitor in parallel with a 0.1uF ceramic capacitors.
e) Oscilloscope bandwidth of 0 Hz to 20MHz.
f) Measurements measured at locations where remote sense wires are connected.
g) Regulation tolerance shall include temperature change, warm up drift and dynamic load.
03
Output Voltage
Max. Load
Min. Load
Max. Combined
Total Output
+5V
35A
1A
220W
436W
+3.3V
22A
1A
+12V
30A
2A
-5V
0.5A
0A
2.5W
-12V
1A
0A
12W
+5VSB
2A
0.1A
10W
Output Voltage
Load Reg.
Line Reg.
Ripple & Noise
+5V
+/-5%
±1%
50Mv
+3.3V
+/-5%
±1%
50mV
+12V
+/-5%
±1%
120mV
-5V
+/-10%
±1%
100mV
-12V
+/-10%
±1%
120mV
+5VSB
+/-5%
±1%
50mV