enhance electronics co.,ltd ____________________________________________________________________________________ product specification model no. ENS0575 (active pfc) this specification describes the requirements of 650w/750watts switching power supply with an stretch form-factor and eps12v, +5v standby voltage,remote on/off 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. 750wtable 1 ac input line requirements parameter min. max. unit vin( full range ) 103 264 v ac rms vin frequency 47 63 hz iin arms 650wtable 1 ac input line requirements parameter min. max. unit vin( full range ) 90 264 v ac rms vin frequency 47 63 hz iin arms power factor correction (pf)>0.95 at full load. 1.2 inrush current regulation 50 a @ 115vrms 100 a @ 230vrms (at 25 o c ambient cold start). ) 2. dc output 2.1 dc voltage regulation parameter range min nom. max unit +3.3v +/-5 +3.14 +3.3 +3.47 volts +5v +/-5 +4.75 +5 +5.25 volts +12v1 +/-5 +11.4 +12 +12.6 volts +12v2 +/-5 +11.4 +12 +12.6 volts +12v3 +/-5 +11.4 +12 +12.6 volts +12v4 +/-5 +11.4 +12 +12.6 volts -12v +/-10 -10.8 -12 -13.2 volts +5vsb +/-5 +4.75 +5 +5.25 volts nom. 115---240 60----50 10-----5 nom. 100---240 60----50 10-----5 audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 1 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification 2.2 load ranges 2.2.2 :ens-0575 (750 watts load ratings-dual +12v rails for processor power) load range 1 parameter min nom. max peak unit +3.3v 1.5 - 24 amps +5v 1.0 - 30 amps +12v1 0.8 - 18 amps +12v2 0.8 - 18 amps +12v3 0.5 - 18 amps +12v4 1.0 - 18 22 amps -12v 0 - 0.5 amps +5vsb 0.1 - 3.0 3.5 amps 2.2.2 :ens-0565e (650 watts load ratings-dual +12v rails for processor power) load range 1 parameter min nom. max peak unit +3.3v 1.5 - 24 amps +5v 1.0 - 24 amps +12v1 0.8 - 18 amps +12v2 0.8 - 18 amps +12v3 0.5 - 18 amps +12v4 1.0 - 18 22 amps -12v 0 - 0.5 amps +5vsb 0.1 - 3.0 3.5 amps audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 2 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification notes: (1) the maximum continuous total dc outputs power shall not exceed 650w forens0565e. the maximum continuous total dc outputs power shall not exceed 750w forENS0575. (2) the maximum continuous load on +5v and +3.3v outputs shall not exceed 140w for 650w the maximum continuous load on +5v and +3.3v outputs shall not exceed 170w for 750w (3) the maximum combined current for the +12v ortputs shall be 45a,peak load 48a for ens0565e dual +12v rails for processor power. the maximum combined current for the +12v ortputs shall be 54a,peak load 56a for ENS0575 dual +12v rails for processor power. (4) the 5v standby output shall remain on while the ac input power connected,whether dc outputs are disabled (off) or enabled (on) by the remote on control signal, but when the 5v standby output remained on with the ac input power turn off , the remote on control will be disabled. (5) when the combined current for the +12v outputs is 30a to 38a,the +5v minimum load is 8a. (6) when the combined current for the +12v outputs is 38a to 45a,t he +5v minimum load is 10a for 650w. when the combined current for the +12v outputs is 38a to 54a ,the +5v minimum load is 15a for 750w. 2.3 output ripple 2.3.1 ripple regulation parameter ripple&noise unit +3.3v 100 mvp-p +5v 100 mvp-p +12v1 150 mvp-p +12v2 150 mvp-p +12v3 150 mvp-p +12v4 150 mvp-p -12v 150 mvp-p +5vsb 100 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. audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 3 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification 2.3.3 ripple voltage test circuit figure 1. ripple voltage test circuit 2.4 overshoot any overshoot at turn on or turn off shall be less 10% of the normal voltage value, all outputs shall be within the regulation limit of section 2.0 before issuing the power good signal of section 5.0. 2.5 efficiency power supply efficiency typical 68% at normal ac main voltage and full load on all outputs. 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. ) 3.0 protection 3.1 over current protec t the power supply shall have current limit to prevent the +3.3 v, +5 v, and +12 v outputs from exceeding the values shown in table 27. if the current limits are exceeded the power supply shall shutdown and latch off. the latch will be cleared by toggling the pson# signal or by an ac powe r interruption. the power supply shall not be damaged from repeated power cycling in this condition. -12 v and 5 vsb shall be protected under over current or shorted conditions so that no damage can occur to the power supply. all outputs shall be protected so that no damage occurs to the powe r supply under a shorted output condition. ac h o t ac neutral power supply v out v re tu rn 10uf 0.1uf load scope ac gro u nd audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 4 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification 3.2 under voltage protection. in an under voltage fault occurs, the supply will latch all dc outputs into a shutdown state when +5v & +3.3v outputs under 85% of it's maximum value. 3.3 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 n ominal maximu m uni t +12 vdc 13.4 15.0 15.6 volts +5 vdc 5.74 6.3 7.0 volts +3.3 vdc 3.76 4.2 4.3 volts 3.4short circuit an output short circuit is defined as any output impedance of less than 0.1 ohms.the power supply shall shut down and latch off for shorting the +3.3 vdc,+5 vdc,or+12 vdc rails to return or any other rail. shorts between main output rails and +5vsb shall not cause any damage to the power supply. the power supply shall either shut down and latch off or fold back for shorting the negative rails.+5vsb must be capable of being shorted indefinitely,but when the short is removed,the power supply shall recover automatically or by cycling ps_on#.the power supply shall be capable of withstanding a continuous short-circuit to the output without damage or overstress to the unit 3.5 no load operation n o d amage or h azar d ous con di t i on s h ou ld occur w i t h a ll t h e dc output connectors di sconnecte d f rom t h e l oa d . th e power supp l y may l atc h i nto t h e s h ut d own state. ) 4. timing 4.1 signal timing drawing figure 2. is a reference for signal timing for main power connector signals and rails. figure 2. ps-ok timing sequence (1) t 2 : r i se t i me (0 . 1 ms~7 0 ms ) (2) t 3 : power goo d s i gna l turn on d e l ay t i me (100 ms~ 1000 ms ) (3) t 4 : power goo d s i gna l turn o ff d e l ay t i me (1 ms m i n ) (4) t5: r i se t i me (10 ms max ) ( 5 ) t 6 : ho ld up t i me (1 7ms m i n ) 4.2 hold up time when the power loss its input power, it shall maintain 17ms in regulation limit at normal input voltage. (ac:115v/60hz or 230v/50hz) ) 5. environment 5.1 operation temperature 0 to 50 o c relative humidity 10 to 90%, non-condensing audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 5 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification 5.2 shipping and storage temperature -20 to 60 o c relative humidity 5 to 95%, non-condensing 5.3 altitude operating storage ) 6. safety 6.1 underwriters laboratory (ul) recognition. the power supply designed to meet ul 1950. 6.6 the power supply must bear the german bauart mark from tuv. ) 7. electromagnetic compatibility (emc) 7.1 iec 1000-4-2 esd level x20kv4. 7.2 iec 1000-4-3 radiated electrical field requirement. 7.3 iec 1000-4-4 burst . 7.4 iec 1000-4-5 surge voltages 7.5 en61000-3-2 harmonic current emissions. if applicable to sales in japan or europe, the power supply shall meet the requirements of en 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. 7.6 en55024 class b radio interference (cispr 22) 7.7 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 25 o c,full load, 80% confidence limit and nominal line. the mtbf of the power supply be calculated in accordance with mil-hdbk-217f. the dc fan is not included. 10,000ft max 50,000ft max audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 6 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification ) 9. mechanical requirements 9.1 physical dimension ?M??L?H???? cpu1 cpu2 pci pci expres s pci expres s expres s pci expres s pci expres s expres s pci audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 7 of 8 2006/07/04
enhance electronics co.,ltd ____________________________________________________________________________________ product specification 9.2 connectors (intel approved or equivalent) p1 connector (24pin:molex 44476-1111 or equivalent) 1 6awg wire signal pin pin signal 1 6awg wire orange +3.3v 13 1 +3.3v orange orange(22awg) + 3.3vsense 13 blue (18awg) -12vdc 14 2 +3.3v orange blac k com 15 3 com blac k green(20awg) ps-on 16 4 +5vdc re d blac k com 17 5 com blac k blac k com 18 6 +5vdc re d blac k com 19 7 com blac k white n /c 20 8 pwrgood grey (20awg) re d +5vdc 21 9 +5v sb purple(18awg) re d +5vdc 22 10 +12v 3 yellow/blue re d +5vdc 23 11 +12v 3 yellow/blue blac k com 24 12 +3.3v orange p3,p4,p5,p6,p7,p9(amp 1-480424-0 o r p8,p11(amp 171822-4 or molex 8981-04p or equivalent) equivalent) 18 awg wire signal pin pin signal 22awg wire yellow/green +12v 4 1 1 +5vdc re d blac k com 2 2 com blac k blac k com 3 3 com blac k re d +5vdc 4 4 +12v 4 yellow/green p2 connector (8pin:molex 44476-1111 or equivalent) 1 8awg wire signal pin pin signal 1 8awg wire yello w + 12v2 5 1 com blac k yello w + 12v2 6 2 com blac k yellow/black + 12v1 7 3 com blac k yellow/black + 12v1 8 4 com blac k p16 (6pin:molex 39-01-2060 or equivalent)(optional) 18awg wire signal pin pin signal 18awg wire gnd blac k 4 1 orange +3.3v gnd blac k 5 2 orange +3.3v yello w +12v2 6 3 yello w +12v2 p17 pci 6pin (molex 90331-0010 or equivalent) 18 awg wire signal pin pin signal 18 awg wire com blac k 41 yellow/blac k +12v1 com blac k 52 yellow/blac k +12v1 com blac k 63 yellow/blac k +12v1 p18 pci 6pin (molex 90331-0010 or equivalent) 18 awg wire signal pin pin signal 18 awg wire com blac k 41 yellow/blue +12v3 com blac k 52 yellow/blue +12v3 com blac k 63 yellow/blue +12v3 p12,p13,p14,p15 sata power connector (molex* 88751 or equivalent)(optional) 18awg wire signal pin orange +3.3v 5 blac k gnd 4 re d +5v 3 blac k gnd 2 yellow/gree n +12v4 1 ) 10. fan speed control (optional) fan voltage varies with the ambient temperature or output power. audit:________ ________check:________ ? _______design:__________ m _ _____ ENS0575.spec rev:1.1 8 of 8 2006/07/04
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