Silverstone SST-ST70F-PB power supply unit
Contents
1. SILVERSTONE Designing Inspiration STRIDER PLUS SERIES ST50F P B ST60F PB ST OF PB LI 2 y and flexibility High efficiency with 80 PLUS Bronze certification 24 7 continuous power output with 40 C operating temperature 100 modular cables Class leading single 12V rail Strict 33 voltage regulation and low ripple amp noise PCI E 8 6pin connectors support Silent running 120mm fan with 18dBA Installation and system optimization guide The following manual and guides were carefully prepared by the SilverStone engineering team to help you maximize the potential of your SilverStone product Please keep this manual for future reference when upgrading or performing maintenance on your system A copy of this manual can also be downloaded from our website at http www silverstonetek com Specification P 1 AC INPUT P 1 DC OUTPUT P 2 Protection P 5 Timing P 6 Environment P 8 Safety P 8 Electromagnetic Compatibility EMC P 9 MTBF P 9 Mechanical Requirements P 9 SPECIFICATION STRIDER PLUS SERIES SST ST70F PB SST ST60F PB SST ST50F PB ATX12V EPS 12V Switching Power Supply With Active PFC 80 PLUS Bronze PS 2 This specification describes the requirements of 500W 600W 700W with active P F C Switching Power Supply with an ATX form factor 5V standby voltage fan control ATX 12V Power supply version 2 3 remote on off2. 0 2 5 Efficiency Power supply typical efficiency is 82 under full Load at nominal input voltage of 115VAC 2 6 Remote on off control When the logic level PS ON is low the DC outputs are to be enabled When the logic level is high or open collector the DC outputs are to be disabled 3 PROTECTION 3 1 Over power protection The power supply will be shutdown and latch off when output power is 110 160 3 2 Over voltage protection The over voltage sense circuitry and reference shall reside in packages that are separate and distinct from the regulator control circuity and reference No single point fault shall be able to cause a sustained over voltage condition on any or all outputs The supply shall provide latch mode over voltage protection as defined in Table Output Minimum Nominal Maximum Unit 12 VDC 13 4 15 0 17 Volts 3 3 Over Current Protection ST50F PB Parameter 12V ST60F PB Parameter 12V ST70F PB Parameter Min Unit ST50F PB ST60F PB ST70F PB rae a Tu 3 3V 24 40 A 5V 24 40 A No damage or hazardous condition should occur with all the DC output connectors disconnected from the load The power supply may latch into the shutdown state 3 4 Over temperature protection 4 TIMING 4 1 Signal timing drawing Figure 4 is a reference for signal timing for main power connector signals and rails VAC To PS ON rs a 7 m TE 1 12V 5V 3 3V 0
3. 61000 3 2 Class D and the Guidelines for the Suppression of Harmonics in Appliances and General Use Equipment Class D for harmonic line current content at full rated power 7 10 EN55022 Class B Radio interference CISPR 22 7 11 FCC Part 15 Subpart J class B 115VAC operation 8 MTBF 8 1 MTBF MEAN TIME BETWEEN FAILURES CALCULATION The demonstrated MTBF shall be 100 000 hours of continuous operation at 250C full load 80 confidence limit and nominal line The MTBF of the power supply shall be calculated in accordance with MIL STD 217D E The DC FAN is not included 9 MECHANICAL REQUIREMENTS 150 mm W x 86 mm H x 140mm D SilverStone Technology Co Ltd www silverstonetek com support silverstonetek com G11222620
4. able to power up and operate with the regulation limits defined in Table 15 With the following capacitances simultaneously present on the DC outputs Output Capacitive Loads Output Capacitive Load uF 12VDC 10000 5VDC 10000 3 3VDC 10000 5VSB 6000 12VDC 330 5 ENVIRONMENT 5 1 Operation 0 C to 40 C Temperature at AC 100V full Load Relative Humidity 20 to 85 non condensing 5 2 Shipping and Storage Relative Humidity 5 to 90 non condensing 5 3 Altitude Temperature 3 000FT max Relative Humidity 15 000FT max SAFETY 6 1 Underwriters Laboratory UL recognition The power supply designed to meet UL 60950 6 2 The power supply must be certified to EN 60950 1 6 3 The power supply must bear the German Bauart Mark from Nemko 6 4 NEMKO certified by any NORDIC 7 ELECTROMAGNETIC COMPATIBILITY EMC 7 1 ELECTROSTATIC DISCHARGE ESD EN 61000 4 2 2008 7 2 ELECTRICAL FAST TRANSIENT BURST EFT B EN 61000 4 4 2010 7 3 SURGE EN 61000 4 5 2005 7 4 POWER FREQUENCY MAGNETIC FIELD EN 61000 4 8 2009 7 5 VOLTAGE DIPS RN 61000 4 11 2004 7 6 RADIATED SUSCEPTIBILTY EN 61000 4 3 2006 7 7 CONDUCTED SUSCEPTIBILTY EN 61000 4 6 2008 7 8 VOLTAGE FLUCTATION EN 61000 3 3 2008 7 9 EN61000 3 2 harmonic current emissions If applicable to sales in Europe the power supply shall meet the requirements ofEN
5. P PW OK PW OK Sense level 95 of 1 4 14 nominal rte Figure 4 PS OK Timing Sequence 1 T2 Rise time 0 1ms 20ms 2 T3 Power good turn on delay time 100ms 500ms 3 T4 Power good turn off delay time Ims min 4 T5 Rise time 10ms max 4 2 Output Transient Response Table 13 summarizes the expected output transient step sizes for each output The transient load slew rate is 1 0A us DC Output Transient Step Sizes Max step size Max step size Output of rated output amps per Sec 3 2 3 amps 12 VDC 40 5 VDC 30 3 3 VDC 30 12 VDC 0 1A 5 VSB gt 0 5A For example for a rated 5 VDC output of 18A the transient step would be 30 x 18A 5 4A Output voltages should remin within the remain within the regulation limits of Section 2 1 and the power supply should stable when subjected to load transients per Table 13 from any steady state load including any or all of the following conditions E Simultaneous load steps on the 12 VDC 5 VDC and 3 3 VDC outputs all steps occurring in the same direction E Load changing repetition rate of 50 Hz to 10 kHz E AC input range per Section 1 0 E 5Vsb Loading min 0 1A E 12V loading min 0 6A 4 3 Hold up time T6 of figure 4 When the power loss its input power The output shall maintain 12ms in regulation ranges Tested at 80 of maximum load and AC 115V 60Hz or 230V 50Hz 4 4 Capacitive Load REQUIRED The power supply should be
6. control dual line input capability and forced air cooling characteristics 1 AC INPUT 1 1 AC input requirements The input voltage current and frequency requirements for continuous operation are stated below Table 1 AC Input Line Requirements Vin Eg 00 BE BEE Vin Frequency 60 63 lin ST50F PB Pee ee oe meteore so as a meroa 10 so A 1 2 Inrush current limiting 50 A 115Vrms 100 A 230Vrms at 25 C ambient cold start 2 DC OUTPUT 2 1 DC voltage regulation 2 2 Load Ranges 2 2 1 Typical Power Distribution for ST50F PB ATX12V Configuration Parameter ei er i ee a ee ares 161 gt ames BEIENEE Note Total combined output load of 3 3V and 5V is amp 110W 12V Maximum output power should not exceed 456W When 5V load is over 15A 12V min load is 2A When 12V load is over 30A 5V min load is 4A Maximum continuous total DC output power should not exceed 500W Peak DC output power should not exceed 550W for 12 second O9 oUPOPmD 2 2 2 Typical Power Distribution for ST60F PB ATX12V Configuration Pan in ren res un eov oa 2o amps Amps Amps Amps Amps Note 1 Total combined output load of 3 3V and 5V is 120W 2 12V Maximum output power should not exceed 552 W 3 Maximum continuous total DC output power should not exceed 600W 4 When 5V load is over 15A 12V min load is 2A 5 When 12V load is over 30A 5V min load i
7. s 4A 6 Peak DC output power should not exceed 650W for 12 second 2 2 3 Typical Power Distribution for ST70F PB ATX12V Configuration Paans wi Nar oa ea foal ze Note 1 Total combined output load of 3 3V and 5V is 130W 2 12V Maximum output power should not exceed 648W 3 When 5V load is over 15A 12V min load is 2A 4 When 12V load is over 30A 5V min load is 4A 5 Maximum continuous total DC output power should not exceed 700W 6 Peak DC output power should not exceed 750W for 12 second 2 3 DC Output Ripple Noise 2 3 1 Ripple regulation Ripple amp Noise Unit 3 3V 50 mVp p 5V 50 mVp p 5VSB 50 mVp p 2 3 2 Definition The ripple voltage of the outputs shall be measured at the pins of the output connector when terminated in the load impedance specified in figure 1 Ripple and noise are measured at the connectors with a 0 1uF ceramic capacitor and a 10uF electrolytic capacitor to simulate system loading Ripple shall be measured under any condition of line voltage output load line frequency operation temperature 2 3 3 Ripple Noise voltage test circuit 10uF 0 1uF V return Load AC Neutral a AC Ground Figure 3 Ripple Noise voltage test circuit 2 4 Overshoot Any overshoot at turn on or turn off shall be less 10 of the nominal voltage value all outputs shall be within the regulation limit of section 2 0 before issuing the power good signal of section 5
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