Rosewill RP550-2, RP500-2-S, RP500-2, RP550-2-S User Manual
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PERFORMANCE
POWER SUPPLY
PERFORMANCE Series
USER Manual
RP500-2
RP500-2-S
RP550-2
RP550-2-S
PERFORMANCE
Specification
1. AC Input
RP500-2, RP500-2-S
AC Input Voltage : 115V(100-120V) / 230V(200-240V)
AC Input Frequency : 47 - 63 HZ
AC input Current : 10.0A(RMS) for 115VAC Input, 60Hz
5.5A(RMS) for 230VAC Input, 50Hz
RP550-2, RP550-2-S
AC Input Voltage : 115V(100-120V) / 230V(200-240V)
AC Input Frequency : 47 - 63 HZ
AC input Current : 12A(RMS) for 115VAC Input, 60Hz
6A(RMS) for 230VAC Input, 50Hz
2. DC Output
2.1 Voltage & Current
RP500-2, RP500-2-S
DC OUTPUT +3.3V +5V +12V1 +12V2 -12V +5VSB
MIN.Current 0.5A 0.5A 1.0A 1.0A 0.0A 0.0A
MAX.Current 30A 45A 18A 16A 1.0A 2.5A
Combined Power 275W 380W(31A)
475.5W
Total Power 500W
Regulation ±5% ±5% ±5% ±5% ±10% ±5%
Cross Reg. ±5% ±5% +8%,-5% +8%,-5% ±10% ±5%
Line Reg. ±1% ±1% ±1% ±1% ±2% ±1%
Noise & Ripple (mV) 75 75 120 120 150 75
12.0W 12.5W
RP550-2, RP550-2-S
DC OUTPUT +3.3V +5V +12V1 +12V2 -12V +5VSB
MIN.Current 0.5A 0.5A 1.0A 1.0A 0.0A 0.0A
MAX.Current 30A 50A 18A 18A 1.0A 2.5A
Combined Power 300W 420W(35A)
525.5W
Total Power 550W
Regulation ±5% ±5% ±5% ±5% ±10% ±5%
Cross Reg. ±5% ±5% +8%,-5% +8%,-5% ±10% ±5%
Line Reg. ±1% ±1% ±1% ±1% ±2% ±1%
Noise & Ripple (mV) 75 75 150 150 150 75
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12.0W 12.5W
POWER SUPPLY
© 2004-2006 Rosewill Inc. All rights reserved by Rosewill
PERFORMANCE
2.2 Efficiency
The power supply is a minimum of 72% efficient under typical load. The “Energy Star”
efficiency of the power supply is a minimum of 50% when the AC input power is 60W.
2.3 Remote ON/OFF control
The power supply DC outputs (with the exception of +5 VSB which is always available)
are enabled with an active-low, TTL-compatible signal (“PS-ON”), When PS-ON is
pulled to TTL low, the DC outputs are enabled. When PS-ON is pulled to TTL high or
open-circuited, the DC outputs are disabled. PS-ON may be active by either electronic
means or a mechanical switch.
2.4 Overshoot at TURN-ON/TURN-OFF
The output voltage overshoot upon the application or removal of the input voltage is
less than 10%.
2.5 Hold-up Time
The power supply will maintain output regulation despite a loss of a minimum of 16 ms
while under full load. Test to be performed at nominal input voltage.
2.6 Power Good Signal
A “power good” signal is asserted by the supply to indicate that the +5VDC output is
within regulation limits.
Power Good Signal Characteristics
Signal Type Open collector TTL compatible
Logic level low <0.8V while sinking 5mA
Logic level high >2.4V while sourcing 500uA
High state impedance 1K (from output to common)
POK delay 100-500ms
Power fall warning time 1ms minimum
3. Protection
3.1 Over Voltage Protection
The power supply prods latch-mode over-voltage protection as defined below:
Nominal output voltage Trigger voltage
+12V 13.4-15.6V
+5V 5.74-7.0V
+3.3V 3.76-4.3V
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© 2004-2006 Rosewill Inc. All rights reserved by Rosewill
POWER SUPPLY
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