SilverStone ST55GF Specifications

550W + 550W PS/2 redundant power supplyHot swappableIndustry-leading reliabilityDurable zinc-plated surfaceConvenient pull-out handle barsST55GF

4.1 Over Current Protection The power supply should contain the OCP function on each hot swap module. The power supply should beshut down in a latch o

ST55GF5. Environmental Requirements5.1 Temperature5.2 Humidity 5.3 Altitude5.4 Mechanical ShockThe power supply (non-operating) shall not be damaged d

6. Agency Requirements 6.1 Safety Certification.6.2 Input Leakage CurrentInput leakage current from line to ground will be less than 3.5mA rms. Measur

ST55GF7. Redundant Power Supply Function:7.1 Redundancy The redundant power supply is 1+1=1 (460W+460W=460W) function power , each one module is redun

8. Reliability8.1 Mean Time Between failures (MTBF) The MTBF of the power supply shall be calculated utilizing the Part-Stress Analysis method of Bell

ST55GFP2: 8-Pin Processor Power Connector Connector housing: 8- Pin Molex : 39-01-2080 or Equivalent Contact: Molex 44476-1111 or Equivalent 4-Pin HD

May,2008

SPECIFICATION SilverStone Gemini ST55GF Mini Redundant Power SupplyWith Active PFC550W + 550W 1. General This specification describes the electrical

ST55GF2.3 Input Power Factor Correction (Active PFC) The power factor at full load shall be ••0.95 at nominal input voltage.2.4 Input Current Harmon

2.9 Electrical Discharge, IEC61000-4-2 In addition to IEC61000-4-2, the following ESD tests should be conducted. Each surface area of the unit under

ST55GF043.2 DC Voltage Regulation, Ripple and NoiseThe power supply output voltages must stay within the following voltage limits when operating at s

3.4 Capacitive Loading The power supply shall be stable and meet all requirements, except dynamic loading requirements, with the following capacitive

ST55GFItem rinUnitsMIN MAXmSmSmSmSmSmSmSmSmSmSTsb_on-delayTsb_on-delayTvout_holdupTpwok_holdupTpson_on_delayTpson_pwokTpwok_onTpwok_offTpwok_lowTsvtDe

Figure 2: Turn On/Off Timing3.6 Power Good Signal: PWOKPSOK is a power OK signal and will be pulled HIGH by the power supply to indicate that all the

ST55GF3.7 Remote On/Off Control: PSON# The PSON# signal is required to remotely turn on/off the power supply. PSON# is an active low signal that turns