Silverstone SST-ST75EF-V1.0 power supply unit
Contents
1. Note 1 The above voltage range should also include ripple and noise 2 The output voltage should be measured at the terminals of output connector 2 2 DC Load Requirements Output Voltage 5V 12V1 12V2 12V 3 3V 5Vsb Notes 1 The maximum continuous total DC output power shall not exceed 750 Watts 2 The maximum continuous combined load on 5V and 3 3V outputs shall not exceed 180 Watts 3 The maximum continuous combined load on 12V1 amp 12V2 outputs shall not exceed 720 Watts 60A 4 The maximum continuous combined load on 5V 3 3V and 12V1 2 outputs shall not exceed 726 Watts 2 3 Cross Regulation The DC loads shall remain within the ranges specified in 2 2 DC Load Requirements and the DC output voltages also shall remain within the regulation ranges specified in 2 1 Output Regulation when measured at the load end of the output connectors 750W Cross Regulation 5V rail 3 3V vs 12V Combined Power 5V rail 3 3V rail 5V 3 3V power watts 50 150 200 300 400 500 600 720 12V power watts 2 4 5V standby voltage The 5Vsb is on whenever the AC power is present ey ELEINENT ST75EF A 2 5 DC Output Voltage Ripple and Noise 5V 60 12V1 2 150 mV mV mV mV 3 3V 60 5Vsb 60 Note 1 The measurements should be made by crossing a 10uF electrolytic and a 0 1uF ceramic disk capacitors at each output with measuring bandwidth2. 3 3V 5 V 3 2 Short Circuit Protection A short circuit placed to ground shall cause no damage or power supply shall be shutdown The contact resistance is 0 05 ohm when the outputs short circuit 3 3 Protection Reset When the power supply latches into shutdown condition due to a fault on an 5V 3 3V 12V output OVP UVP the protection shall reset after the fault has been removed use remote on off control or recycle the AC power again for a typical of 3 seconds 3 4 Overshoot Protection Any output overshoot at turn on shall be less than 15 of the normal output value with resistive load as described in sec 2 1 3 5 Overpower Protection At 1 15 230V ac input the power supply will shut down all DC output within 110 to 140 of full load 4 ENVIRONMENT 4 1 Operation Storage Temperature Range Operation 5 Cto 50 C normal input Storage 40 C to 70 C Load 100 80 40 C 50 C 4 2 Humidity none condensing Operation 20 to 85 RH normal input Storage 10 to 95 RH 5 Dielectric Voltage Withstand HI POT The power supply shall withstand for 3 seconds without breakdown the application of an 1800Vac supply voltage applied between both input line and chassis 15mA AC Cutoff current Isolating transformers shall similarly withstand 4242Vdc applied between both primary and secondary windings for a minimum of one minute 6 PFC Active Power Factor Correction complies with EN 61000 3 2 1995 A1 A2
3. from DC to 20 MHz If ambient temperature is under 20 C or over 30 C the AC input should be normal input 2 6 Total Output Power MAX Units 750 Watts 2 7 Remote ON OFF control The power supply outputs shall be enabled with an active low TTL signal When TTL signal is low the DC outputs are to be enabled When TTL signal is high or open circuited the DC outputs are to be disabled Electronic means or a mechanical switch may activate the TTL signal After the TTL signal is active high must wait for 3 seconds before active low again 2 8 Power Sequence AC IN PS ON 12V 5V O P s 3 3V PG 04 2 9 Power On Time T1 AX Units 500 ms N i J oO V o D 3 N MIN MAX Units 20 ms 2 11 Power Good Delay Time T3 The test environment is 25 C condition normal input 2 12 Power Good Rise Time T4 AX 10 Units i ms N oo I o roy j 3 D 2 MIN Units 15 ms The test environment is 25 C amp full load condition nominal input 2 14 Power Fail Signal T6 Power good signal shall go to a down level 1ms before 5V output voltage falls below the regulation limits during PS ON signal pull high MIN Units 1 ms 3 Protections 3 1 Over Voltage Protection When the DC outputs 5V 12V 3 3V have over voltage condition the power supply shall provide latch mode over voltage protection ee ELEMENT ST75EF A Peau mm um
4. 1998 Class D 7 Electrostatic Discharge ESD Comply with IEC 61000 4 2 8 EFT Burst Comply with IEC 61000 4 4 9 Surge Comply with IEC 61000 4 5 10 M T B F The power supply shall have a minimum mean time between failure greater than 100 000 hours at continuous operation of 100 load and an ambient temperature of 25 Y 11 MECHANICAL REQUIREMENTS 11 1 Physical Dimension 150 mm W x 86 mm H x 140 mm D 11 2 Connectors Define ey ELEINENT ST75EF A M B 24PIN connector 18AWG wire Orange 3 3V Orange 22AWG 3 3Vsense Blue 18AWG 12VDC 3 3V Orange Black COM COM Black Green 18AWG PS ON 5VDC Red Black COM COM Black Black COM 5VDC Red Black COM COM Black White N C PWRGOOD Grey 18AWG Red 5VDC 5Vsb Purple Red 5VDC Red 22AWG 5Vsense Red 5VDC 12V Yellow Black COM 3 3V Orange 3 3V Orange 12V Yellow EPS 12V8PIN connector Yellow Yellow Yellow Yellow ATX 12V 4PIN 4 4PIN EPS 12V in split mode 18AWG wire Signal Pin Pin Signal 18AWG wire Black GND 1 3 12V Yellow Black GND 2 4 12V Yellow 4PIN peripheral connector HDD 4PIN floppy connector FDD 18AWG wire Signal Pin Pin Signal 22AWG wire Red Black Black Yellow SATA connector 18AWG wire Signal Pin 6PIN PCI Express Connector 18AWG wire Signal Pin Pin Signal 18AWG wire Y
5. SILVER STONE Designing Inspiration ELEMENT SERIES ST7SEF Incredible performance and efficiency 750W continuous power output Class leading Dual 12V rail s with 60A High efficiency with 80 85 at 20 100 loading Support single PCI E 8pin and Quad PCI E 6pin connectors Silent running 135mm Fan with 19dBA Support ATX 12V 2 3 amp EPS 12V SPECIFICATION SilverStone Element ST75EF ATX12V 2 3 Switching Power Supply With Active PFC PS 2 750W 1 Input Requirements 1 1 Input Voltage The power supply shall be operated at universal input voltage defined in the following table Input Voltage 1 2 Frequency The input frequency range is from 50Hz to 60Hz 1 3 Inrush Current The max inrush current is 90A for 115VAC 160A 230VAC ey ELEMENT ST75EF A 1 3 1 Cold Start Conditions Limits 115 230V AC full load No component over stress or damage should 25 C ambient occur to the power supply Input fuse shall not blow 1 3 2 Warm Start Conditions Limits Turn off at 132 264V AC full load for 1 sec No component over stress or damage should then turn on at the peak of the input voltage occur to the power supply cycle at 25 C ambient Input fuse shall not blow 1 4 AC Input Current AC Input MAX 115 240V AMPS 1 5 Efficiency Power supply efficiency gt 80 at normal AC main voltage input 2 Output Requirements 2 1 Output Regulations Output Voltage Normal
6. ellow Yellow Yellow 8PIN PCI Express Connector Yellow Yellow Yellow Black sense1 ey ELEIMENT ST75EF A To be valid this sheet must be filled out by RN your salesperson at the time of purchase Store Purchaser Purchase date Whe Model No Serial No E SilverStone Technology Co Ltd www silverstonetek com support silverstonetek com Issue date September 2008
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