Silverstone ST70F-ES
Contents
1. SILVER STONE Designing Inspiration Strider Essential Series ST70F ES ST60F ES SilverStone Technology Co Ltd I ai 7 High efficiency with 80Plus certification www silverstonetek com 24hour continuous power output with 40 C operating temperature Class leading single 12V rail Multiple protection circuitry NO G1121 Silent running 120mm fan with 18dBA PCI E 8pin and PCI E 6pin connector support ATX 12V 2 3 support Active PFC circuitry support silverstonetek com Issue date November 2010 SPECIFICATION SilverStone Essential Plus ST70F ES ST60F ES ATX12V 2 3 Switching Power Supply 1 GENERSAL 1 1 Scope With Active PFC PS 2 This specification defines the performance characteristics of a single phase 700 watts 600 watts 5 output power supply This specification also defines worldwide safety and electromagnetic compatibility requirements for the power supply which is intended for use in computer products 2 INPUT CHARACTERISTICS 2 1 Input Voltage 2 1 1 ST70F ES Nominal Voltage 100 240 Vrms 2 1 1 ST60F ES Nominal Voltage 100 240 Vrms 01 Voltage Variation Range 90 264 Vrms Voltage Variation Range 90 264 Vrms Strider Essential Series AUR 2 2 Input Frequency 2 2 1 ST70F ES Nominal Frequency Frequency Variation Range 50 60 Hz 47 Hz to 63 Hz 2 2 2 ST60F ES Nominal Frequency Frequency Variation Range 50 60 Hz 47 Hz to 63 Hz The power supply mu2. S20mS Max T3 Power good turn on delay time 100 lt T3 lt 500 mS T4 Switch on time 0 5 sec Max T5 Power good turn off delay time 1 0 mS Min PS ON OFF T6 Power hold on time 16 mS Min Power on off cycle When the power supply is turned off for a minimum of 2 0 sec and turn on again the power good signal will be asserted 10 MTBF The MTBF of the power should be 100 000 hours min 11 Burn in 11 1 Input Voltage Applying 220Vac for 230V model 11 2 Test Condition Applying 75 loads for the power supply in 45 5 C chamber for 4 hours 12 Harmonics The product shall meet requirement for EN61000 3 2 amp EN61000 3 3 1995 standard of class D test at 230Vac 50Hz T Strider Essential Series A 13 Power Factor The power supply with active power factor correction and meet the EN61000 3 2 standards The power factor is greater than 0 9 at 230V 50Hz Max load 14 MECHANICAL REQUIREMENTS 14 1 Physical Dimension 150 mm W x 86 mm H x 140mm D 14 2 Connectors M B 24PIN connector 3 3V 3 3V Orange COM Black 5VDC Red COM Black 5VDC Red COM Black PWRGOOD Grey 5Vsb Purple 12V Yellow 12V Yellow 3 3V Orange Orange EPS 12V 8PIN connector Yellow Yellow Yellow Yellow ATX 12V 4PIN 4 4PIN EPS 12V in split mode Yellow Yellow 4PIN peripheral connector HDD 4PIN floppy connector FDD Yellow Red Black Black Black Black Red
3. Yellow SATA connector 8PIN PCI Express connector Yellow 12V Yellow 12V Yellow 12V Black sense1 COM 6PIN PCI Express connector Yellow Yellow Yellow
4. asserted T Strider Essential Series A 07 3 8 3 3V Sense A default 3 3V sense line should be implemented pin 13 of the connector 3 9 Capacitive Load The power supply should be able to power up and operate normally with the following capacitances simultaneously present on the DC outputs Capacitive load uF 6 000 8 000 6 000 4 PROTECTION 4 1 Input Protection In primary circuit of the power supply a protected fuse is inserted Only internal fault of the power supply will cause the fuse blown Any overload or short circuit at DC output will keep from fuse brown or fire hazard 4 2 Output Protection 4 2 1 Under voltage protection The 5V 12V 3 3V DC output are protected against the under voltage condition range value can t be exceed 3 3 3 7V at 5V terminal and 8 5 9 5V at 12V 2 0 2 4V at 3 3V 4 2 2 Over Voltage Protection The 5V 12V 3 3V DC output are protected against the over voltage condition Maximum value can t be over 6 5V at 5V terminal and 15 5V at 12V 4 3V at 3 3V 4 2 3 Over Power Protection The power supply can be used electronic circuit to limit the output current against exceeding 60 of surge output power or protected against excessive power delivery since short circuit of any output or over total power at high line 4 2 4 Short Circuit Protection Short circuit placed on 5V 12V 3 3V 12V will latch off 5VSB will auto recovery 4 2 5 Over Current Protection Current protecti
5. total DC output power should not exceed 600W Maximum continuous combined load on 3 3VDC and 5VDC outputs shall not exceed 150W Maximum combined load on 12V rails outputs shall not exceed 504W NOTE Noise test should be measured with 20 MHz bandwidth frequency oscilloscope The output terminal shall add a tantalum capacitor of 10uF in parallel with a ceramic capacitor of 0 1uF 3 2 Remote On Off Controlled mode The PSON signal is required to remotely turn on off the power supply PSON is an active low signal that turns on the output power rails When this is not pulled low by the system or left open the outputs except the 5VSB turn off This signal is pulled to a standby voltage by a pull up resistor internal to the power supply TTL level H 2 0 V 5 25 V L 0 0 V 1 0 V T Strider Essential Series A 3 3 Regulation The cross regulation defined as follows the output regulation should be within the specified range 3 3 1 ST70F ES 3 3 2 ST60F ES 3 4 Rise Time DC output rise time is less than 20 mS at nominal line and full load 3 5 Hold up Time DC 5V output maintains at least 16mS after power off which hold within para 3 1 under 115V 60Hz and 230V 50Hz condition 3 6 5VSB 5VSB is requierd for the implementation of PS ON described above 5VSB is a standby voltage that may be used to power circuits that require power input during the powered down state of all power rails The 5 VSB pi
6. n should deliver 5V 5 at a minimum of 2 0 A for PC board circuits to operate Conversely PC board should draw no more than 2 0A maximum form this pin This power may be used to operate circuits such as soft power control 3 7 PG OK PG OK is a power good signal and should be asserted high by power supply to indicate that the 5 VDC and 3 3 VDC outputs are above the under voltage thresholds of the power supply When this signal is asserted high there should be sufficient mains energy stored by the converter to guarantee continuous power operation within specification Conversely when either the 5VDC or the 3 3VDC output voltage falls below the under voltage threshold or when mains power has been removed for a time sufficiently long so that power supply operation is no longer guaranteed PG OK should be deasserted to a low state See Figure 1 for a representation of the timing characteristics of the PG OK PS ON and germane power rail signals Time Diagram AC 5Vs PS ON OFF E POWER ON z 5V O P T4 A vlla i Tl Power Good T1 Turn on time 2 sec Max T2 Rise time lt 20mS Max T3 Power good turn on delay time 100 lt T3 lt 500 mS T4 Switch on time 0 5 sec Max T5 Power good turn off delay time 1 0 mS Min PS ON OFF T6 Power hold on time 16 mS Min Power on off cycle When the power supply is turned off for a minimum of 2 0 sec and turn on again the power good signal will be
7. on should be designed to limit the current to operate within safe operating conditions Over current protection schemes where only the voltage output that experiences the over current event is shut off may be adequate to maintain safe operation of the power supply and the system however damage to the motherboard or other system components may occur The recommended over current protection scheme is for the power supply to latch into the shutdown state The setting of over current protection for each output rail is as following 4 2 6 Over Temperature Protection This power supply includes an over temperature protection sensor which can trip and shut down the power supply at 110 C 5 START STABILITY 5 1 No Load Start When power is applied to ST70F ES amp ST60F ES with no load connected or under minimum load connected neither damage to power supply nor hazards to users will occur 5 2 Cold Start The power supply shall operate properly when first applied at normal input voltage and or so maximum load after 4 hours storage in 0 C environment 6 ENVIRONMENTS 6 1 Temperature and Humidity 6 1 1 Operating Temperature 0 to 40 C Relative Humidity 20 to 90 6 1 2 Storage Temperature 40 to 70 C Relative Humidity 20 to 95 noncondensing 6 2 Altitude The power supply can operate normally at any altitude between 0 to 10000 feet 08 6 3 Vibration and Shock 6 3 1 Sweep and resonance search for each of X Y Z axis at
8. st operate at above frequency with 90 264 VACrms input voltage range 2 3 Max Input AC Current 2 3 1 ST70F ES Max Input Current Measuring Range 10A 90 264 Vrms 2 3 2 ST60F ES Max Input Current Measuring Range 10A 90 264 Vrms 2 4 Inrush Current The power supply must meet inrush requirements for any rated AC voltage during turn on at any phase of AC voltage during a single cycle AC dropout condition during repetitive ON OFF cycling of AC and over the specified temperature range The peak inrush current shall be less than the ratings of its critical components including input fuse bulk rectifiers and surge limiting device 2 5 Efficiency ST70F ES ST60F ES provides an efficiency of gt 80 when measured at full load under 115V 60Hz and 230V 50Hz condition 3 OUTPUT CHARACTERISTICS 3 1 Normal Operation Output 3 1 1 ST70F ES Output Load Range ep raev oza eE an Tom sas oo es sow ro Maximum continuous total DC output power should not exceed 700W Maximum continuous combined load on 3 3VDC and 5VDC outputs shall not exceed 150W Maximum combined load on 12V outputs shall not exceed 552W NOTE Noise test should be measured with 20 MHz bandwidth frequency oscilloscope The output terminal shall add a tantalum capacitor of 10uF in parallel with a ceramic capacitor of 0 1uF Strider Essential Series AME 3 1 2 ST60F ES Output Load Range Ripple Maximum continuous
9. the sweep 7 CONDUCTED EMI FCC CE 8 PRODUCT SAFETY 8 1 Safety Requirement TUV UL c UL CB 8 2 Leakage Current The AC leakage current is less than 3 5mA when the power supply connect to 253Vac 50Hz 8 3 Insulation Resistance The insulation resistance should be not less than 30M ohm after applying of 500VDC for 1 minute 8 4 Dielectric Voltage Withstand The power supply shall withstand for 1 minute without breakdown the application of a 60Hz 1500V AC voltage applied between both input line and chassis 20mA DC cut off current Main transformer shall similarly withstand 3000Vac applied between both primary and secondary windings for a minimum of one minute 9 POWER GOOD SIGNAL A TTL compatible signal for the purpose of initiating an orderly start up procedure under normal input operating conditions During power up this signal is asserted low until 5V is under regulation and AC reaches min line specification range After all voltage are going appropriate level the system may have a turn on delay of 100mS but no greater than 500mS During power off the signal should go to low level before 5V is out of regulation The low level is 0 to 0 8V and high level is 4 75 to 5 25V The Power Good signal can drive up to 6 standard TTL loads Strider Essential Series AM Time Diagram AC 45 s PS ON OFF POWER ON 5 V OP T4 f madi il Tl Power Good T1 Turn on time 2 sec Max T2 Rise time
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