specification ipc-300a model output voltage range frequency range efficiency (typ.) input environment inrush current (typ.) leakage current(max.) power good signal power fail signal ps-on input signal safety standards safety & emc (note 4) working temp. working humidity storage temp., humidity temp. coefficient vibration others note protection ac current (typ.) 3.3v 5v ch2 12v ch3 -5v ch4 -12v ch5 5vsb standby 20a 0 ~ 20a 30a 1 ~ 30a 18a 1 ~ 18a 0.5a 0 ~ 0.5a 1a 0.1 ~ 1a 2a 0 ~ 2a 300w continue. +5v,+3.3v,+12v combine total power output shall not e xceed 270w.(the +5 & +3.3volt combine total output shall not exceed 150w) (the -5 & -12volt combine total output shall not exceed 12w) 50mvp-p 50mvp-p 120mvp-p 100mvp-p 120mvp-p 50mvp-p 1.0% 5.0% 5.0% 7.0% 7.0% 8.0% 10% 5.0% ch2 : 5.05 ~ 5.5v 1.0% 1.0% 2.0% 2.0% 1.0% 5.0% 5.0% 8.0% 10% 5.0% 90 ~ 264vac 47 ~ 63hz 75% 3ma/240vac compliance to en61000-4-2,3,4, 5,6,8,11, light industry level, c riteria a mtbf 94.1k hrs min. mil-hdbk-217f (25 ) cooling forced air ventilation by 4cm dc fan withstand voltage isolation resistance -10 ~ +60 (refer to "derating curve") 20 ~ 90% rh non-condensing the ttl compatible signal out with 100ms to 500ms delay after power set up the ttl compatible signal will go down at least 1ms before +5v below 4.75v power off: ps-on = "hi" or ">2v" ; power on: ps-on = "low" or "<0.5v" -40 ~ +85 10 ~ 95% rh 0.05% / (0 ~ 50 ) connector atx main power connector * 1ea; +12v power connector * 1ea peripheral power connector * 3ea; floppy drive power connector * 1ea dimension 260*83*40mm (l*w*h) packing 1. all parameters not specially mentioned are measured at 230vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. load regulation is measured from 20% to 100% max. load. 4. the power supply is considered a component which will be installed into a fi nal equipment. the final equipment must be re-confirmed that it still mee ts emc directives. 5. derating may be needed under low input voltages. please check the derati ng curve for more details. for guidance on how to perform these emc tests, please refer to ?emi testing of c omponent power supplies.? (as available on http://www.meanwell.com) function over load over voltage 105 ~ 150% rated output power protection type : shut down o/p voltage, re-power on to recover +3.3v, +5v: 110% ~ 140% of rated voltage ; +12v:13.2v ~ 16v protection type : shut down o/p voltage, re-power on to recover 4.6a/115vac 2.3a/230vac 40a/115vac 80a/230vac dc voltage rated current current range rated power ripple & noise (max.) note.2 voltage adj. range voltage tolerance note.3 line regulation load regulation setup, rise time hold time (typ.) 800ms, 20ms/230vac 2500ms, 20ms/115vac at full load 16ms/230vac 16ms/115vac at full load 10 ~ 500hz, 2g 10min./1cycle, 60min. each along x, y, z axes i/p-o/p:1.5kvac i/p-fg:1.5kvac i/p-o/p, i/p-fg, o/p-fg:50m ohms / 500vdc / 25 / 70% rh short circuit all output equipped with short circuit protection type : shut down o/p voltage, re-power on to recover features : meet 1u rack mount system universal ac input / full range active power factor 94% protections:short circuit / overload / over voltage forced air cooling by built-in dc fan with power good and fail signal output built-in remote on-off control remote dc sense +5v and +3.3v with +5vsb:0 ~ 2.0a max. 100% full load burn-in test high efficiency 2 years warranty ul60950-1, tuv en60950-1 approved compliance to en55022 (cispr22) class b, design refer to fcc part 15 class b, en61000-3-2,-3 ch1 output number 1.46kg; 10pcs/15.6kg/0.89cuft i p c - 3 0 0 a 300w industrial 1u atx 12v/p4 pc power supply file name: ipc-300a-spec 2011-08-09 emc immunity emc emission
mechanical specification file name: ipc-300a-spec 2011-08-09 air flow direction air flow 4.75 direction svr 19.5 40 2-m3 m3 240 260 7 4 72.7 83 (wire output of pcb, 18awg) l=450mm 10mm pin20 pin11 pin10 pin1 +12v(yellow) +5v(red) +5v(red) +5vsb(purple) -5v(white) pg(gray) gnd(black) gnd(black) +5v(red) gnd(black) ps-on(green) gnd(black) gnd(black) gnd(black) +5v(red) gnd(black) -12v(blue) +3.3v(orange) +3.3v(orange) +3.3v(orange) ( a ) (a)molex 39-01-2200 or equivalent (b)molex 8981-04p or equivalent (c)amp 171822-4 or equivalent (d)molex 39-01-2040 or equivalent l=150mm l=150mm 10mm 43 2 1 43 2 1 +5vdc(red) +5vdc(red) +5vdc(red) +5vdc(red) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) +12v(yellow) +12v(yellow) +12v(yellow) +12v(yellow) ( b )( b ) ( c ) 12 3 4 l=150mm l=150mm 43 2 1 ( b ) 12 34 gnd(black)gnd(black) +12v(yellow)+12v(yellow) l=440mm 10mm ( d ) i p c - 3 0 0 a 300w industrial 1u atx 12v/p4 pc power supply case no. ipc-250 unit:mm
derating curve output derating vs input voltage block diagram file name: ipc-300a-spec 2011-08-09 i p c - 3 0 0 a 300w industrial 1u atx 12v/p4 pc power supply ambient temperature ( ) input voltage (v) 60hz load (%) -10 0 10 20 30 40 50 60 70 (horizontal) 20 40 60 80 100 load(%) fosc : 100khz pwm o.v.p. circuit detection & o.l.p. emi filter rectifiers & p.f.c. power switch- +5v,+12v,-5v,-12v ps/on i/p fg ing control inrush current active limiting com pwm control power switching pg rectifiers & filter control ma & rectifiers & filter +3.3v filter rectifiers & +5vsb deterction +5vsb circuit p.g. detection circuit control ps/on 115 90 100 135 155 230 264 90 100 80 70 60 50 40
specification ipc-300 model output voltage range frequency range efficiency (typ.) input environment inrush current (typ.) leakage current(max.) power good signal power fail signal ps-on input signal safety standards safety & emc (note 4) working temp. working humidity storage temp., humidity temp. coefficient vibration others note protection ac current (typ.) 24v 5v ch2 12v ch3 -5v ch4 -12v ch5 5vsb standby 3a 0 ~ 7a 30a 1 ~ 30a 18a 1 ~ 18a 0.5a 0 ~ 0.5a 1a 0.1 ~ 1a 2a 0 ~ 2a 300w continue. +24v,+5v,+12v combine total power output shall not ex ceed 270w.(the +24 & +5volt combine total output shall not exceed 150w) (the -5 & -12volt combine total output shall not exceed 12w) 240mvp-p 50mvp-p 120mvp-p 100mvp-p 120mvp-p 50mvp-p 1.0% 5.0% 5.0% 7.0% 7.0% 8.0% 10% 5.0% ch2 : 5.05 ~ 5.5v 1.0% 1.0% 2.0% 2.0% 1.0% 5.0% 5.0% 8.0% 10% 5.0% 90 ~ 264vac 47 ~ 63hz 80% 3ma/240vac compliance to en61000-4-2,3,4, 5,6,8,11, light industry level, c riteria a mtbf 94.1k hrs min. mil-hdbk-217f (25 ) cooling forced air ventilation by 4cm dc fan withstand voltage isolation resistance -10 ~ +60 (refer to "derating curve") 20 ~ 90% rh non-condensing the ttl compatible signal out with 100ms to 500ms delay after power set up the ttl compatible signal will go down at least 1ms before +5v below 4.75v power off: ps-on = "hi" or ">2v" ; power on: ps-on = "low" or "<0.5v" -40 ~ +85 10 ~ 95% rh 0.05% / (0 ~ 50 ) connector atx main power connector * 1ea; +12v power connector * 1ea peripheral power connector * 3 ea; floppy drive power connector * 1 ea dimension 260*83*40mm (l*w*h) packing 1. all parameters not specially mentioned are measured at 230vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. load regulation is measured from 20% to 100% max. load. 4. the power supply is considered a component which will be installed into a fi nal equipment. the final equipment must be re-confirmed that it still mee ts emc directives. 5. derating may be needed under low input voltages. please check the derati ng curve for more details. for guidance on how to perform these emc tests, please refer to ?emi testing of c omponent power supplies.? (as available on http://www.meanwell.com) file name: ipc-300b-spec 2011-08-09 function overload over voltage 105 ~ 150% rated output power protection type : shut down o/p voltage, re-power on to recover +24v, +5v: 110% ~ 140% of rated voltage ; +12v:13.2v ~ 16v protection type : shut down o/p voltage, re-power on to recover 4.6a/115vac 2.3a/230vac 40a/115vac 80a/230vac dc voltage rated current current range rated power ripple & noise (max.) note.2 voltage adj. range voltage tolerance note.3 line regulation load regulation setup, rise time hold up time (typ.) 800ms, 20ms/230vac 2500ms, 20ms/115vac at full load 16ms/230vac 16ms/115vac at full load 10 ~ 500hz, 2g 10min./1cycle, 60min. each along x, y, z axes i/p-o/p:1.5kvac i/p-fg:1.5kvac i/p-o/p, i/p-fg, o/p-fg:50m ohms / 500vdc / 25 / 70% rh short circuit all output equipped with short circuit protection type : shut down o/p voltage, re-power on to recover features : meet 1u rack mount system universal ac input / full range active power factor 94% protections: short circuit / overload / over voltage forced air cooling by built-in dc fan with power good and fail signal output built-in remote on-off control remote dc sense +5v and +24v 24v/3a output an peak 7a for 30sec.(max.) with +5vsb:0 ~ 2.0a max. 100% full load burn-in test high efficiency 2 years warranty ul60950-1, tuv en60950-1 approved compliance to en55022 (cispr22) class b, design refer to fcc part 15 class b, en61000-3-2,-3 ch1 output number 1.46kg; 10pcs/15.6kg/0.89cuft i p c - 3 0 0 b 300w industrial 1u atx 12v/p4 pc power supply emc immunity emc emission
mechanical specification file name: ipc-300b-spec 2011-08-09 air flow direction air flow 4.75 direction svr 19.5 40 2-m3 m3 240 260 7 4 72.7 83 (wire output of pcb, 18awg) l=450mm 10mm +12v(yellow) +5v(red) +5v(red) +5vsb(purple) -5v(white) pg(gray) gnd(black) gnd(black) +5v(red) gnd(black) ps-on(green) gnd(black) gnd(black) gnd(black) +5v(red) gnd(black) -12v(blue) +24v(orange) +24v(orange) +24v(orange) ( a ) (a)molex 39-01-2200 or equivalent (b)molex 8981-04p or equivalent (c)amp 171822-4 or equivalent (d)molex 39-01-2040 or equivalent l=150mm l=150mm 10mm 43 2 1 43 2 1 +5vdc(red) +5vdc(red) +5vdc(red) +5vdc(red) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) gnd(black) +12v(yellow) +12v(yellow) +12v(yellow) +12v(yellow) ( b )( b ) ( c ) 12 3 4 l=150mm l=150mm 43 2 1 ( b ) 12 34 gnd(black)gnd(black) +12v(yellow)+12v(yellow) l=440mm 10mm ( d ) pin20 pin11 pin10 pin1 i p c - 3 0 0 b 300w industrial 1u atx 12v/p4 pc power supply case no. ipc-250 unit:mm
derating curve output derating vs input voltage block diagram ambient temperature ( ) input voltage (v) 60hz load (%) -10 0 10 20 30 40 50 60 70 (horizontal) 20 40 60 80 100 load(%) fosc : 100khz pwm o.v.p. circuit detection & o.l.p. emi filter rectifiers & p.f.c. power switch- +5v,+12v,-5v,-12v ps/on i/p fg ing control inrush current active limiting com pwm control power switching pg rectifiers & filter control ma & rectifiers & filter +24v filter rectifiers & +5vsb deterction +5vsb circuit p.g. detection circuit control ps/on 115 90 100 135 155 230 264 90 100 80 70 60 50 40 i p c - 3 0 0 b 300w industrial 1u atx 12v/p4 pc power supply file name: ipc-300b-spec 2011-08-09
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