Technical Product Specification for Canoe Pass - Preminary - Intel

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Intel ® Server System P4000CP Power System Options Intel ® Server Board S2600CP and Server System P4000CP TPS specification. The step load may occur anywhere within the MIN load to the MAX load shown in Tables 143 and 144. 148 Table 142. Transient Load Requirements Output Max Step Load Size Max Load Slew Rate Test capacitive Load + 3.3VDC 5A 0.25 A/s 250 F + 5VDC 5A 0.25 A/s 400 F +5Vsb 0.5A 0.25A/s 20 F 13.5.2.11 DC/DC Converter Capacitive Loading The DC/DC converters is stable and meet all requirements with the following capacitive loading ranges. Minimum capacitive loading applies to static load only. Table 143. Capacitive Loading Conditions Converter output Min Max Units +3.3VDC 250 6800 F +5VDC 400 4700 F 5Vstby 20 350 F 13.5.2.12 DC/DC Converters Closed Loop stability Each DC/DC converter is unconditionally stable under all line/load/transient load conditions including capacitive load ranges specified in Section 13.5.2.11. A minimum of: 45 degrees phase margin and -10dB-gain margin is required. The PDB provides proof of the unit’s closed-loop stability with local sensing through the submission of Bode plots. Closed-loop stability must be ensured at the maximum and minimum loads as applicable. 13.5.2.13 Common Mode Noise The Common Mode noise on any output does not exceed 350mV pk-pk over the frequency band of 10Hz to 20MHz. The measurement shall be made across a 100Ω resistor between each of DC outputs, including ground, at the DC power connector and chassis ground (power subsystem enclosure). The test set-up shall use a FET probe such as Tektronix model P6046 or equivalent. 13.5.2.14 Ripple/Noise The maximum allowed ripple/noise output of each DC/DC Converter is defined in below Table 95. This is measured over a bandwidth of 0Hz to 20MHz at the PDB output connectors. A 10F tantalum capacitor in parallel with a 0.1F ceramic capacitor are placed at the point of measurement. Table 144. Ripple and Noise +3.3V +5V -12V +5VSB Intel Confidential Revision 0.8 Intel order number G26942-003
Intel ® Server Board S2600CP and Server System P4000CP TPS Intel ® Server System P4000CP Power System Options The test set-up shall be as shown below. 50mVp-p 50mVp-p 120mVp-p 50mVp-p V OUT AC HOT POWER SUPPLY V AC NEUTRAL RETURN AC GROUND GENERAL NOTES: 1. LOAD THE OUTPUT WITH ITS MINIMUM LOAD CURRENT. 2. CONNECT THE PROBES AS SHOWN. 3. REPEAT THE MEASUREMENTS WITH THE MAXIMUM LOAD ON THE OUTPUT. 10uF .1uF Revision 0.8 Intel Confidential Intel order number G26942-003 LOAD LOAD MUST BE ISOLATED FROM THE GROUND OF THE POWER SUPPLY SCOPE SCOPE NOTE: USE A TEKTRONIX 7834 OSCILLOSCOPE WITH 7A13 AND DIFFERENTIAL PROBE P6055 OR EQUIVALENT. Note: When performing this test, the probe clips and capacitors should be located close to the load. Figure 55. Differential Noise test setup 13.5.2.15 Timing Requirements Below are timing requirements for the power on/off of the PDB DC/DC converters. The +3.3V, +5V and +12V output voltages should start to rise approximately at the same time. All outputs must rise monotonically. Table 145. Output Voltage Timing Description Min Max Units Output voltage rise time for each main output; 3.3V, 5V, -12V and 5Vstby. 1.0 20 msec The main DC/DC converters (3.3V, 5V, -12V) shall be in regulation limits within this time after the 12V input has reached 11.4V. The main DC/DC converters (3.3V, 5V, -12V) must drop below regulation limits within this time after the 12V input has dropped below 11.4V. The 5Vstby converter shall be in regulation limits within this time after the 12Vstby has reach 11.4V. The 5Vstby converter must power off within this time after the 12Vstby input has dropped below 11.4V. 20 msec 20 msec 20 msec 20 msec 13.5.2.16 Residual Voltage Immunity in Standby Mode Each DC/DC converter is immune to any residual voltage placed on its respective output (typically a leakage voltage through the system from standby output) up to 500mV. This residual voltage does not have any adverse effect on each DC/DC converter, such as: no additional power dissipation or over-stressing/over-heating any internal components or adversely affecting the turn-on performance (no protection circuits tripping during turn on). While in Stand-by mode, at no load condition, the residual voltage on each DC/DC converter output does not exceed 100mV. 149
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Technical Product Specification for Canoe Pass - Preminary - Intel

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