SilverStone SST-SX650-G User Manual
SFX Form Factor
SST-SX650-G SST-SX500-G
The standard SFX power supply benchmark
Silent running 92mm fan with 18 dBA minimum
High efficiency with 80 PLUS Gold certification
Strict ±3% voltage regulation and low ripple & noise
Support standard SFX form factor
All Japanese capacitors
Class-leading single +12V rail
100% modular cables
All cables made with flexible flat arrays
SPECIFICATION
SFX Form Factor
SST-SX650-G
SST-SX500-G
650W, 500W Switching Power Supply
With Active PFC
80Plus Gold
1.General
1.1 Scope
This specification defines the performance characteristics of a single phase 650 watts, 500 watts,
5 output power supply. This specification also defines worldwide safety and electromagnetic
compatibility requirements for the power supply which is intended for use in computer products.
2.Input Characteristics
2.1 Input Voltage
Nominal Voltage Voltage Variation Range
100-240 Vrms 90 - 264 Vrms
2.2 Input Frequency
Nominal Frequency Frequency Variation Range
50-60Hz 47 Hz to 63 Hz
* The power supply must operate at above frequency with 90 - 264VACrms input voltage range.
2.3 Max. Input AC Current
Max. Input Current Measuring Range
10.0A 90 - 264Vrms
2.4 Inrush Current
The power supply must meet inrush requirements for any rated AC voltage, during turn on at any
phase of AC voltage, during a single cycle AC dropout condition, during repetitive ON/OFF cycling
of AC, and over the specified temperature range. The peak inrush current shall be less than the
ratings of its critical components (including input fuse, bulk rectifiers, and surge limiting device).
2.5 Efficiency
SX650-G, SX500-G provides an efficiency of 87% at20% load, 90% at50% load, 87% at100% load
under115V/60Hz and 230V/50Hz condition.
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3. Output characteristics
3.1 Normal Operation Output
SX650-G
Output
Voltage
1. +5V
2. +3.3V
3. +12V
5. -12V
6. +5Vsb
●Maximum continuous total DC output power should not exceed 650W.
Load
MIN
0A 22A
0A 22A
0A 54.2A
0A 0.3A
0A 2.5A
Range
MAX
Peak Regulation
±3% 50mV 50mV
±3% 50mV 50mV
±3% 120mV 120mV
±10% 120mV 120mV
±5% 50mV 50mV
Ripple
P-P Max.
Ripple & Noise
P-P Max.
●Maximum continuous combined load on +3.3VDC and +5VDC outputs shall not
exceed 110W.
●Maximum combined load on 12V outputs shall not exceed 650W.
NOTE:
Noise test should be measured with 20 MHz bandwidth fre
quency oscilloscope. The output terminal shall add a tantalum capacitor of 10uF in
parallel with a ceramic capacitor of 0.1uF.
SX500-G
Output
Voltage
1. +5V
2. +3.3V
3. +12V
5. -12V
Load
MIN
0A 22A
0A 22A
0A 41.7A
0A 0.3A
Range
MAX
Peak Regulation
±3% 50mV 50mV
±3% 50mV 50mV
±3% 120mV 120mV
±10% 120mV 120mV
Ripple
P-P Max.
Ripple & Noise
P-P Max.
6. +5Vsb
●Maximum continuous total DC output power should not exceed 500W.
0A 2.5A
±5% 50mV 50mV
●Maximum continuous combined load on +3.3VDC and +5VDC outputs shall not
exceed 110W.
●Maximum combined load on 12V outputs shall not exceed 500W.
NOTE:
Noise test should be measured with 20 MHz bandwidth fre
quency oscilloscope. The output terminal shall add a tantalum capacitor of 10uF in
parallel with a ceramic capacitor of 0.1uF.
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