mcd10088 rev. 1.1, 3-oct-08 page 1 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts description the SFP450-12BG is a 450-watt, power factor corrected (pfc) front-end which provides a 12 vdc output for datacom and other distributed power applications. its co mpact size enables mounting in both 1u and 2u height racks. high efficiencies, advanced thermal management tec hniques, and an internal fan increase reliability over a broad range of operating conditions. internal oring diodes facilitate use in hot-swap, redundant configurations. status is provided with front panel leds, logic signals, and via the i 2 c management interface bus. in addition, the i 2 c bus can enable the power supply and control fan speed. the SFP450-12BG meets international safety requirements and is ce marked to the low voltage directive (lvd). model selection model nominal output voltage (vdc) adjustment range (vdc) maximum output current (amps) regulation % ripple & noise @ 20 mhz bw (mv) SFP450-12BG 12 3.3 (standby) n/a n/a 36.6 3 3 3 100 100 applications ? datacom ? distributed power systems features ? rohs compliant for all six substances ? wide input voltage range (90-264 vac) with pfc ? high power density, 9 watts/cubic inch ? 1u or 2u height configurations ? active current share with oring fet ? i 2 c interface status and control ? standby voltage of 3.3 vdc @ 3 a ? overtemperature, overload, and overvoltage protection ? status leds: ac ok, dc ok, overtemperature
mcd10088 rev. 1.1, 3-oct-08 page 2 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts input specifications parameter conditions/descripti on min. nom. max. units ac input voltage single-phase c ontinuous input range. 90 264 vac input frequency ac input. 47 63 hz hold-up time after last ac line peak at full power. at 115 vac. 20 ms input current at full-rated load. at 90 vac. 6 a rms inrush surge current excluding xcap. vin = 264 vac. 25 oc 15 a pk power factor per en61000-3-2 > 0.95 w/va output specifications parameter conditions/descripti on min. nom. max. units with vin at 115vac and 50% to 100% load on v1. 88.5 % with vin at 230vac and 50% to 75% load on v1. 90.5 % efficiency note: internal fan is considered part of the load as it is driven from the 12v output; vaux load is set to 0a for efficiency measurements. with vin at 230vac and 75% to 100% load on v1. 91.0 % minimum load minimu m loading required to maintain regulation. 0 a output power 450 w overshoot output voltage over shoot at turn-on. < 5 % transient response maximum recovery time to within 1% of initial set point due to a 25% load change, 1a/s. 12v output: standby output: maximum deviation: 12v output: standby output: 5 5 3 3 ms ms % % turn-on delay with ps_on signal time required for initial output voltage stabilization after application of ac input or on/off signal. 1500 ms output regulation see model selection data on page 1.
mcd10088 rev. 1.1, 3-oct-08 page 3 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts interface signals and internal protection 1 parameter conditions/descripti on min. nom. max. units overvoltage protection latch-style overvoltage protection. 15 4.3 v overcurrent protection current lim it (latching mode). 12v output: standby output: 38.4 3.2 47.6 6 a short-circuit protection latching mode. overtemperature/ fan failure warning 12v output will shut down in the event of an overtemperature condition or blocked fan rotor. ot setpoint is 62 3 oc. supply's fan and vaux are active. power supply will recover when ot condition is removed. amber ot led will turn on to indicate fault condition. ps_kill output enable. pulled low on conjunction with ps_on being pulled low allows v1 to be activated. +12v current share 0 to 8v signal used for active current sharing. write protect for factory use only. ps a0 i 2 c address. sda i 2 c data line (3.3v). scl i 2 c clock line (3.3v). tach two pulses per fan revolution. ac_ok/h high signal indicates ac is within psu limits. present/l 100 ohm resistor internally connected to rtn allowing the psu to be detected on insertion. alert/l low signal indicates psu fan is running belo w speed or an overtemperature limit was exceeded. pwrok/h high signal indicates both out puts are within regulation limits. 1 refer to product specification for inter nal pull up impedances and timing of these signals.
mcd10088 rev. 1.1, 3-oct-08 page 4 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts i 2 c bus management interface 1 static includes static information such as: part number an d revision level, output rating, serial number, date code, and manufacturing location. status (logic 1 or 0) ac input ok. dc output ok. overtemperature. overcurrent. fan ok. overvoltage alert undervoltage alert real-time monitoring output voltage (main output). lsb = 20 mv output current (main output). lsb = 50 ma 1 reference "i 2 c management interface" and "eeprom table of content s" documents for SFP450-12BG (consult factory). safety, regulatory, and emi specifications parameter conditions/descripti on min. nom. max. units agency approvals ul 60950-1, csa c22.2 no. 609 50-1, en 60950-1 (tv), ce mark for lvd. electromagnetic interference fcc cfr title 47 part 15 sub-part b, conducted: en55022/cispr 22. radiated: a a class harmonics per iec61000-3-2. a class voltage fluctuation and flicker per iec61000-3-3. pass esd susceptibility per en61000-4-2, level 4. 8 . kv radiated susceptibility per en 61000-4-3, level 3. 10 . v/m eft/burst per en 61000-4-4, level 4. 4 . kv input transient protection per en 61000-4-5, class 3. line-to-line: line-to-ground: 1 2 . kv rf conducted disturbances per en 61000-4-6, level 3. 10 . v voltage interruptions per en 61000-4-11, performance criterion b 30%. per en 61000-4-11, performance criterion c 60%. per en 61000-4-11, performance criterion c 95%. 10 100 5 . ms ms sec voltage sag immunity per semi f47-0999 > 100 vac. no output voltage interruption. . leakage current per en60950. at 240 vac: 1.75 ma
mcd10088 rev. 1.1, 3-oct-08 page 5 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts environmental specifications parameter conditions/descripti on min. nom. max. units altitude operating. non-operating. 10k 40k asl ft asl ft operating temperature internal dc fan for cooling. at 100% load: 0 50 oc storage temperature -40 85 oc temperature coefficient 0 oc to 45 oc (after 15-minute warm-up). 0.02 %/oc relative humidity non-condensing. 95 %rh shock operating: half-sine, 10 ms, 3-axis. non-operating: half-sine, 10 ms, 3-axis. +20 +40 gpk gpk vibration operating: swept sine 5-2000-5 hz, 5-32 hz, 0.02?da, 32-2000 hz. non-operating: random 10-2000 hz. 1 6.15 gpk grms reliability parameter conditions/descripti on min. nom. max. units mtbf (calculated) milhdbk 217f ground benign. demonstrated. useful life. 100 000 200 000 10 hrs hrs yrs led indicators indicatorr led color power good green ac ok green (input > 85 vac fail amber
mcd10088 rev. 1.1, 3-oct-08 page 6 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts mechanical drawings weight: 1.46 kg (3.22 lb)
mcd10088 rev. 1.1, 3-oct-08 page 7 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts connector information power supply: input - iec 320 input (male) standard line cord connection output - p/n fci 51721-10002406aa or equivalent mating connections: input - iec 320 output (socket) standard line cord (15a) output - p/n: fci 51741-10002406cc input iec connector input location chassis (safety) ground ground line 1 (line) l line 2 (neutral) n
mcd10088 rev. 1.1, 3-oct-08 page 8 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts
mcd10088 rev. 1.1, 3-oct-08 page 9 of 9 www.power-one.com SFP450-12BG ac-dc front-end data sheet 12v output, 450 watts nuclear and medical applications - power-one products are not des igned, intended for use in, or authorized for use as critical components in life support systems, equipment used in hazardous envir onments, or nuclear control systems without the express wr itten consent of the respective divisional pr esident of power-one, inc. technical revisions - the appearance of products, including safe ty agency certifications pictured on labels, may change dependi ng on the date manufactured. specifications ar e subject to change without notice.
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