Technical Product Specification

Intel® Server Chassis SC5650 TPS Power Sub-system
Revision 1.2
Intel order number E39531-004
21
2.1.5.4 Remote Sense
The power supply has remote sense return (ReturnS) to regulate out ground drops for all output
voltages: +3.3V, +5V, +12V1, +12V2, +12V3, +12V4, -12V, and 5VSB. The power supply uses
remote sense to regulate out drops in the system for the +3.3V, +5V, and +12V1 output. The
+5V, +12V1, +12V2, +12V3, +12V4, –12V, and 5VSB outputs only use remote sense
referenced to the ReturnS signal. The remote sense input impedance to the power supply is
greater than 200Ω. This is the value of the resistor connecting the remote sense to the output
voltage internal to the power supply. Remote sense can regulate out a minimum of 200mV drop.
The remote sense return (ReturnS) can regulate out a minimum of 200 mV drop in the power
ground return. The current in any remote sense line is less than 5mA to prevent voltage sensing
errors. The power supply operates within specification over the full range of voltage drops from
the power supply’s output connector to the remote sense points.
2.1.5.5 Power Module Output Power / Currents
The following table defines power and current ratings for this 600-W power supply. The
combined output power of all outputs does not exceed the rated output power. The following are
load ranges for each of the two power supply power levels. The power supply meets both static
and dynamic voltage regulation requirements for the minimum loading conditions.
Table 14. Load Ratings
Load Range 1 (Maximum System Loading)
Voltage
Minimum Continuous
Load
Maximum Continuous
Load
1, 3
Peak Load
2, 4, 5
+3.3V
6
1.5 A 20 A
+5V
6
5.0 A 24 A
+12V1 1.5 A 15 A 18 A
+12V2 1.5 A 15 A 18 A
+12V3 1.5 A 16 A 18 A
+12V4 1.5 A 16 A 18 A
-12V 0 A 0.5 A
+5VSB 0.1 A 2.0 A
Load Range 2 (Light System Loading)
Voltage Minimum Continuous
Load
Maximum Continuous
Load
Peak Load5
+3.3V
6
0.5 A 9.0 A
+5V
6
2.0 A 7.0 A
+12V1 0.5 A 5.0 A 7.0 A
+12V2 0.5 A 5.0 A 7.0 A
+12V3 2.0 A 6.0 A
+12V4 0.5 A 5.0 A
-12V 0 A 0.5 A