iStarUSA IS-500R2UPD8 Manual De Usuario
Duration
Surge
Operating AC Voltage Line Frequency
Performance Criteria
Continuous
10%
Nominal AC Voltage
50/60 Hz
No loss of function or performance
0 - ½ AC cycle
30%
Mid-point of Nominal AC
Voltage
50/60 Hz
No loss of function or performance
3. DC Output Specification
!
3.1 Output Power / Currents
Table 4: Load Range
Voltage
Minimum Load
Maximum Load
+3.3V 0.1A 28A
+5V 0.1A 32A
+12V 0.5A 41A
-12V
0A
0.5A
+5VSB
0.1
3A
!
Notes:
Notes:
1: The +3.3 &+5 Volt total outputs shall not exceed 200W.
3.2 Voltage Regulation, Ripple and Noise
Table 5: Regulation, ripple and noise
Output Voltage
+3.3V
+5V
+12V
-12V(Optional) +5VSB(Optional)
Load Reg.
±5%
±5%
±5%
±10%
±5%
Line Reg.
±1%
±1%
±1%
±1%
±1%
Ripple & Noise
60mV
60mV
120mV
120mV
60mV
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
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
d) Outputs bypassed at the point of measurement with a parallel combination of
10uF tantalum capacitor in parallel with 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
f) Measurements measured at locations where remote sense wires are connected.
g) Regulation tolerance shall include temperature change, warm up drift and dynamic load
3.3 Capacitive
Loading
The power supply shall be stable and meet all requirements in the following table, except dynamic loading
requirements.
requirements.