Intel SC5299UP SC5299UPNA 사용자 설명서
제품 코드
SC5299UPNA
Intel
®
Entry Server Chassis SC5299-E TPS
Power Sub-system
Revision 3.1
Intel order number D37594-005
71
kHz at duty cycles ranging from 10%-90%. The load transient repetition rate is only a test
specification. The
specification. The
step load may occur anywhere between the MIN load and MAX load
conditions.
Table 86. Transient Load Requirements
Output
Max Step Load Size
Max Load Slew Rate
Test capacitive Load
+ 3.3VDC
5.0A
0.25 A/
s 250
F
+ 5VDC
4.0A
0.25 A/
s 400
F
+12VDC (12V1/2/3/4/5)
See the Power Supply specification for details.
- 12VDC
Not rated
Not rated
F
+5VSB
See the the Power Supply specification for details.
2.4.3.1
DC/DC Converter Capacitive Loading
All outputs of the DC/DC converter are stable and meet all requirements with the following
capacitive loading ranges.
capacitive loading ranges.
Table 87. Capacitive Loading Conditions
Converter Output
MIN
MAX
Units
+3.3VDC 250
6,800
F
+5VDC 400
4,700
F
-12VDC 1
350
F
Note: Refer to the Power Supply specification for the equivalent data on +12V and +5VSB output.
2.4.3.2
DC/DC Converters Closed Loop Stability
Each DC/DC converter is unconditionally stable under all line/load/transient load conditions,
including capacitive load ranges. A minimum of 45 degrees phase margin and –10dB-gain
margin is required.
including capacitive load ranges. A minimum of 45 degrees phase margin and –10dB-gain
margin is required.
2.4.3.3
Common Mode Noise
The common mode noise on any output does not exceed 350 mV peak-peak over the frequency
band of 10 Hz to 30 MHz.
band of 10 Hz to 30 MHz.