mcd10133 rev. 1.0, 22-feb-10 page 1 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts description the SFD1200-12BG is a 1200-watt, dc-in put front-end which has a main 12 v dc output for datacom, distributed power, and server applications, and provides a 3.3 vdc standby output. its compact size enables mounting in both 1u and 2u height racks. high efficiencies, advanced ther mal management techniques, and an internal fan increase reliability over a broad range of operating conditions. in ternal oring fets facilitate use in hot-swap, redundant configurations. status is provided with front panel leds, logic signals, and via an i 2 c management interface bus. in addition, the i 2 c bus can supply status information about the pow er supply including output current and voltage. the sfd1200-12g meets international safety requirements for ite and is ce marked to the low voltage directive (lvd). model selection model nominal output voltage (vdc) adjustment range (vdc) minimum load (a) maximum output current (amps) regulation % ripple & noise @ 20 mhz bw (mv) SFD1200-12BG 12 3.35 (standby) n/a n/a 0.5 0 99.2 3 3 3 100 100 applications ? datacom ? distributed power systems ? servers features ? rohs compliant for all six substances ? wide dc input range (-40 to -75 vdc) ? 1u or 2u height configurations ? active current share with oring fet on +12v ? i 2 c interface status and control ? standby voltage of 3.3 vdc @ 3 a ? overtemperature, overload, and overvoltage protection ? variable-speed fan for low noise at low ambient temperatures ? status leds: input ok, output ok, and fault
mcd10133 rev. 1.0, 22-feb-10 page 2 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts input specifications parameter conditions/descripti on min. nom. max. units dc input voltage continuous input range. -40 -53 -75 vdc hold-up time on all outputs. @ -53 vdc 5 ms input current at full-rated load. @ -40 vdc 35 a inrush surge current excluding xcap. @ 25 oc 35 a pk output specifications parameter conditions/descripti on min. nom. max. units with vin at -40 vdc and 50% to 75% load on v1. 90 % with vin at -40 vdc and 75% to 100% load on v1. 90 % with vin at -70 vdc and 50% to 75% load on v1. 91 % efficiency note: internal fan is considered part of the load as it is driven from the 12v output; vaux load is set to 0.5a for efficiency measurements. with vin at -70 vdc and 75% to 100% load on v1. 91 % minimum load minimu m loading required to maintain regulation. 0.5 a output power input of - 40 to -75 vdc: 1200 w overshoot output voltage oversh oot at turn-on. overshoot lasts <5 ms. < 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 dc input or on/off signal. 3000 ms output regulation see model selection data on page 1.
mcd10133 rev. 1.0, 22-feb-10 page 3 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts interface signals and internal protection 1 parameter conditions/descripti on min. nom. max. units overvoltage protection latch-style ov ervoltage protection. 12v output: standby output: 15 4.3 v overcurrent protection slow current limit 12v output: overcurrent (latching mode). 12v output: standby output: 104 116 4 115 130 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 55 5 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_on output enable. 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, ps a1 i 2 c addresses. sda i 2 c data line (3.3v). scl i 2 c clock line (3.3v). tach_1 pulses per fan revolution; variable in temperature function. 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.
mcd10133 rev. 1.0, 22-feb-10 page 4 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts i 2 c bus management interface 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) dc 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 = 200 ma input voltage (vdc). lsb = 30 mv input current (idc). lsb = 15 ma safety, regulatory, and emc specifications parameter conditions/descripti on min. nom. max. units agency approvals ul 60950-1/csa 60950-1 (ccsaus), en 60950-1 (tv), ce mark for lvd (pending). electromagnetic interference fcc cfr title 47 part 15 sub-part b, conducted: en 55022/cispr 22. radiated: a a class harmonics per iec 61000-3-2. n/a class voltage fluctuation and flicker per iec 61000-3-3. n/a esd susceptibility per en 61000-4-2 8 . kv radiated susceptibility per en 61000-4-3 10 . v/m eft/burst per en 61000-4-4 1 . kv input transient protection per en 61000-4-5 line-to-line: line-to-ground: 0.5 0.5 . kv rf conducted disturbances per en 61000-4-6, level 2. 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%. n/a . ms ms sec leakage current n/a ma magnetic field en61000-4-8 30 a/m
mcd10133 rev. 1.0, 22-feb-10 page 5 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts environmental specifications parameter conditions/descripti on min. nom. max. units altitude operating. 4000 m operating temperature internal dc fan for cooling. at 100% load: 0 50 oc storage temperature -40 70 oc temperature coefficient 0 oc to 45 oc (after 15-minute warm-up). 0.02 %/oc relative humidity non-condensing.@ 40 ? c 5 93 %rh shock operating: half-sine, 11 ms, 10 shock per face, 6 faces non-operating: half-sine, 11 ms, 10 shock per face, 6 faces 7 30 g g vibration operating: 3 axis swept sine 5-500 hz, 1 octave/min, 5 sweep cycles per axis non-operating: random 10-500 hz. 1 3.5 g grms reliability parameter conditions/descripti on min. nom. max. units mtbf (calculated) bellcore ground benign @ 25 ? c. 250 000 hrs led indicators indicator led color power good green dc ok green fail amber
mcd10133 rev. 1.0, 22-feb-10 page 6 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts mechanical drawings: (drawing dimensions are shown in mm) weight: 1.37 kg overall dimensions: 290 x 78 x 40mm front view rear view
mcd10133 rev. 1.0, 22-feb-10 page 7 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts side view top view connector information power supply: input ? dp5zjw0300-001
mcd10133 rev. 1.0, 22-feb-10 page 8 of 8 www.power-one.com SFD1200-12BG front-end preliminary data sheet dc input, 12v output, 1200 watts output - p/n fci 51721-10002406aa or equivalent mating connections: input ? dp5tjy0300-001 output - p/n: fci 51741-10002406cc 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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