Intel Server Board S1200BT - PROconsult Data A/S

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Design and Environmental Specifications Intel® Server Board S1200BT TPS suggested thermal and current design values for anticipating future processor needs. The following table provides maximum values for Icc, TDP power and T CASE for the Intel ® Xeon ® SandyBridge Series processor. Table 46. Intel ® Xeon ® Processor TDP Guidelines TDP Power Maximum T CASE Icc Maximum 95 W 67.0ºC 150 A 10.3 Power Supply Output Requirements This section is for reference purposes only. The intent is to provide guidance to system designers to determine a power supply for use with this server board. This section specifies the power supply requirements Intel ® used to develop a power supply for the Intel ® Server System R1304BTLSHBN. The following tables define two power and current ratings for this 350-W power supply. The combined output power of all outputs should not exceed the rated output power. The power supply must meet both static and dynamic voltage regulation requirements for the minimum loading conditions. Table 47. 350-W Load Ratings Voltage Minimum Continuous Maximum Continuous Peak +3.3 V 0.2A 14 A +5 V 1.0 A 18A +12 V 1.5A 24 A 28A -12 V 0A 0.3A +5 VSB 0.1 A 2.0 A 2.5 A Notes: 1. Maximum continuous total DC output power should not exceed 350 W. 2. Peak total DC output power should not exceed 400 W. 3. Peak power and peak current loading should be supported for a minimum of 12 seconds. 4. Combined 3.3 V/5 V power should not exceed 100 W. 112 Intel order number G13326-003 Revision 1.0
Intel® Server Board S1200BT TPS Design and Environmental Specifications 10.3.1 Grounding The grounds of the power supply output connector pins provide the power return path. The output connector ground pins are connected to the safety ground (power supply enclosure). This grounding is designed to ensure passing the maximum allowed common mode noise levels. The power supply is provided with a reliable protective earth ground. All secondary circuits are connected to protective earth ground. Resistance of the ground returns to chassis does not exceed 1.0 m. This path may be used to carry DC current. 10.3.2 Standby Outputs The 5 VSB output is present when an AC input greater than the power supply turn on voltage is applied. 10.3.3 Remote Sense The power supply has remote sense return (ReturnS) to regulate out ground drops for all output voltages: +3.3 V, +5 V, +12 V, -12 V, and 5 VSB. The power supply uses remote sense to regulate out drops in the system for the +3.3 V, +5 V, and 12 V outputs. The power supply must operate within specification over the full range of voltage drops from the power supply‘s output connector to the remote sense points. 10.3.4 Voltage Regulation The power supply output voltages must stay within the following voltage limits when operating at steady state and dynamic loading conditions. These limits include the peak-peak ripple/noise. All outputs are measured with reference to the return remote sense signal (ReturnS). Table 48. Voltage Regulation Limits Parameter Tolerance Minimum Normal Maximum Units + 3.3 V - 5% / +5% +3.14 +3.30 +3.46 Vrms + 5 V - 5% / +5% +4.75 +5.00 +5.25 Vrms + 12 V - 5% / +5% +11.40 +12.00 +12.60 Vrms - 12 V - 10% / +10% -13.20 -12.00 -10.80 Vrms + 5 VSB - 5% / +5% +4.75 +5.00 +5.25 Vrms 10.3.5 Dynamic Loading The output voltages remain within limits for the step loading and capacitive loading specified in the following table. The load transient repetition rate is tested between 50 Hz and 5 kHz at duty cycles ranging from 10%-90%. The load transient repetition rate is only a test specification. The step load may occur anywhere within the Min load to the Max load conditions. Table 49. Transient Load Requirements Output ∆ Step Load Size Load Slew Rate Test capacitive Load (See note 2) +3.3 V 5.0 A 0.25 A/µsec 250 µF +5 V 6.0 A 0.25 A/µsec 400 µF 12 V 11.0 A 0.25 A/µsec 500 µF Revision 1.0 Intel order number G13326-003 113
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