embedded power for business-critical continuity vrm64 series single output special features ? meets amd64 processor specifcation ? allows dynamic vid code changes ? 5 bit vid input ? 0.8 vdc to 1.55 vdc in 25 mv steps ? up to 100 a/s load transient ? differential remote sense for improved load regulation ? vertical plug-in to standard motherboard connector with or without retention latch ? output current up to 80 a continuous ? open collector power good signal ? monotonic turn-on and turn-off ? fused input ? smbus interface ? available rohs compliant ? 2 year warranty input voltage: 12 vdc # of outputs: single electrical specifcations output voltage adjustability: see vid codes, table 3 0.8 - 1.55 vdc output current: 80 a votlage setting accuracy: 20 mhz bandwidth 0.8% ripple and noise: (see notes 1, 2) 50 mv pk-pk short circuit protection: (see note 7) continuous current limit, default setting as trip remote sensing compensating voltage: up to 300 mv max input input voltage range: 12 vin nominal 10.8 - 13.2 vdc input current: operation no load remote off 12.54 a max. 1.1 a max. 45 ma max. uvlo: turn on voltage turn off voltage hysteresis 10.5 v typ. 9.8 v typ. 0.65 v typ. start-up time: nominal line 10 ms max. enable logic compatibility on off ref. to -input > 1.7 vdc < 0.8 vdc +5_always current demand 250 ma typ. rev.11.21.12_64 vrm64 series 1 of 7 embedded power
rev.11.21.12_64 vrm64 series 2 of 7 embedded power for business-critical continuity unless otherwise stated, all specifcations are typical at nominal input, maximum continuous rated load at 25 c and voltages are referenced to vin-. specifcations general charateristics effciency: 1.5 v output @ 60 a 84% typ. switching frequency: fixed (see note 4) 830 khz material fammability: ul94v-0 weight: < 52 g (< 2 oz) mtbf: telcordia sr-332 > 2,000,000 hours mating connector: (see table 1 for pin out) tyco/elcon 283-0172-01303 connector fngers: gold plated, 30 -inches environmental specifcations maximum temperature shock: operating 5 c/10 min. temperature shock: operating non-operating 10 c/hour 20 c/hour humidity: (non-condensing) operating non-operating 85% rh 95% rh altitude: operating non-operating 10,000 feet max. 50,000 feet max. shock: operational and non-operational 30g 11 ms half sine wave vibration: (see note 8) operational and non-operational 0.02 g 2 /hz max. electrostatic discharge: iec61000-4-2 (see note 6) indirect air indirect contact 15 kv 8 kv thermal performance: (see note 5) operating ambient temperature non-operating 0 c to +60 c -40 c to +100 c
rev.11.21.12_64 vrm64 series 3 of 7 embedded power for business-critical continuity table 2: voltage identification (vid) codes table 1: pin connections pin connections pin no. function pin no. function 1 gnd 54 +12 vin 2 gnd 53 +12 vin 3 gnd 52 +12 vin 4 vid4 51 vid3 5 vid2 50 vid1 6 vid0 49 current share 7 corefb h 48 corefb l 8 pwrgd 47 cb out 9 enable 46 add 0 10 sm da 45 add 1 11 sm cl 44 -vrmpres 12 sgnd 43 +5 v_always 13 v dd core + 42 v dd core + 14 v dd core + 41 v dd core + 15 v dd core + 40 v dd core + 16 gnd 39 gnd 17 gnd 38 gnd 18 gnd 37 gnd 19 v dd core + 36 v dd core + 20 v dd core + 35 v dd core + 21 v dd core + 34 v dd core + 22 v dd core + 33 v dd core + 23 v dd core + 32 v dd core + 24 v dd core + 31 v dd core + 25 gnd 30 gnd 26 gnd 29 gnd 27 gnd 28 gnd voltage identifcation (vid) codes vid4 vid3 vid2 vid1 vid0 vdac 1 1 1 1 1 off 1 1 1 1 0 0.800 1 1 1 0 1 0.825 1 1 1 0 0 0.850 1 1 0 1 1 0.875 1 1 0 1 0 0.900 1 1 0 0 1 0.925 1 1 0 0 0 0.950 1 0 1 1 1 0.975 1 0 1 1 0 1.000 1 0 1 0 1 1.025 1 0 1 0 0 1.050 1 0 0 1 1 1.075 1 0 0 1 0 1.100 1 0 0 0 1 1.125 1 0 0 0 0 1.150 0 1 1 1 1 1.175 0 1 1 1 0 1.200 0 1 1 0 1 1.225 0 1 1 0 0 1.250 0 1 0 1 1 1.275 0 1 0 1 0 1.300 0 1 0 0 1 1.325 0 0 1 1 1 1.350 0 0 1 1 1 1.375 0 0 1 1 0 1.400 0 0 1 0 1 1.425 0 0 1 0 0 1.450 0 0 0 1 1 1.475 0 0 0 1 0 1.500 0 0 0 0 1 1.525 0 0 0 0 0 1.550 ordering information input voltage output voltage ovp output current efficiency (typ) regulation load model numbers (10, 11) min max 12 vdc 0.8 - 1.55 vdc 2.2 vdc 0 a 80 a 84% 50 mv VRM64-80-12-UY 12 vdc 0.8 - 1.55 vdc 2.2 vdc 0 a 80 a 84% 50 mv vrm64-80-12-uj
embedded power for business-critical continuity notes: 1 recommended output capacitance, 48 x 22 f ceramic mlcc. 2 50 mv pk-pk ripple. vin = 12 v, vout = 1.5 v, iout = 80 a. 3 with the recommended capacitors (see note 1) across the output, the output voltage stays within the load regulation window for all loads and transient events, up to 80 a. it will also allow instantaneous vid-on-the-fy changes of up to 500 mv at 80 a. 4 vrm64 uses a fve phase buck topology. each phase switches at 830 khz. this gives an equivalent switching frequency of 4.2 mhz 5 maximum current requires adequate forced air over the converter. please consult figure 1 for thermal derating. 6 when the vrm detects an output over-voltage event, the ovp pin transitions to logic high. this signal can be used to shut down the supply to the vrm, or drive an external crowbar device. 7 these are default settings. the current limit may be set to trip or hiccup. the output overvoltage limits, input overvoltage and undervoltage settings, the output droop and offset, the current limit setpoint and many others can be changed by component changes. please consult the factory for details. 8 0.01 g 2 /hz from 5 hz to 20 hz, maintaining 0.02 g 2 /hz from 20 hz to 500 hz, all axes. 9 in accordance with amd requirements, pwrgd will go high at least 2 ms after vdd settles within specifcations. 10 the y suffx indicates that these parts are tse rohs 5/6 (non pb-free) compliant. pb-free (rohs 6/6) compliant versions are j suffx. 11 notice: some models do not support all options. please contact your local emerson network power representative or use the on-line model number search tool at http://www.powerconversion.com to fnd a suitable alternative. rev.11.21.12_64 vrm64 series 4 of 7 signal electrical interface characteristic - signal name symbol min typ max units notes and conditions enable - on enable (on) 1.7 5.5 v no pull up resistor provided by the vrm enable - off enable (off) -0.3 0.8 v no pull up resistor provided by the vrm pwrgd - high v pwrgd (high) 1.7 v no pull up resistor provided by the vrm pwrgd - low v pwrgd (low) -0.3 0.8 v open-collector output to not more than 5.5 v, max current 5 ma pwrgd - low threshold 150 mv below vid setting pwrgd - turn-on response to enable going high t rise 2 2.5 10 ms for waveforms, refer to application note 185 vid - high v ih (vid) 1.7 5.5 v vid - low v il (vid) -0.3 0.8 v ovp1 (see note 7) 2.2 v default setting is trip. at ovp1 or ovp 2 whichever is smaller ovp2 (see note 7) 133 % of vid setting ovp drive voltage cb _ out 4 v smbus address high add _ x (high) 3.8 v smbus address low add _ x (low) -0.3 0.7 v smbus data high sm da (high) 2.1 5.5 v smbus data low sm da (low) -0.3 0.8 v electromagnetic compatibility characteristic - signal name symbol min typ max units notes and conditions esd - indirect air 15 kv en61000-4-2 in end user equipment esd - indirect contact 8 kw en61000-4-2 in end user equipment input characteristics input current - operating i in 12 a v in = v in (typ) i out (cont.) = 80 a, vid = 1.5 v input capacitance - external bypass c inext 1600 f
rev.11.21.12_64 vrm64 series 5 of 7 embedded power for business-critical continuity figure 2: load regulation 0 40 90 100 -25 -15 -10 -5 0 11 vin 12 vin 13 vin output v ol ta ge (v) output current (a) -20 20 10 30 50 60 70 80 110 figure 1: typical thermal derating at sea level (12 vin, 1.5 vout) figure 3: typical efficiency vs load tempera ture (oc) output current (a) 20 30 40 50 60 70 40 50 60 70 80 90 100 600lfm (3m/s) 500lfm (2.5m/s) 400lfm (2m/s) 300lfm (1.5m/s) 40 60 80 100 78 80 82 84 86 11 vin 12 vin 13 vin efficienc y (%) output current (a) figure 4: output ripple and noise 10 mv per square, 2 s per square
rev.11.21.12_64 vrm64 series 6 of 7 embedded power for business-critical continuity figure 5: mechanical drawing
embedded power for business-critical continuity rev.11.21.12_64 vrm64 series 7 of 7 americas 5810 van allen way carlsbad, ca 92008 usa telephone: +1 760 930 4600 facsimile: +1 760 930 0698 europe (uk) waterfront business park merry hill, dudley west midlands, dy5 1lx united kingdom telephone: +44 (0) 1384 842 211 facsimile: +44 (0) 1384 843 355 asia (hk) 14/f, lu plaza 2 wing yip street kwun tong, kowloon hong kong telephone: +852 2176 3333 facsimile: +852 2176 3888 for global contact, visit: www.powerconversion.com techsupport.embeddedpower @emerson.com while every precaution has been taken to ensure accuracy and completeness in this literature, emerson network power assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions. emerson and the emerson network power logo are trademarks of emerson electric co. ?2012 emerson electric co. all rights reserved. emersonnetworkpower.com embedded computing embedded power monitoring outside plant power switching & controls precision cooling racks & integrated cabinets services surge protection emerson network power. the global leader in enabling business-critical continuity. ac power connectivity dc power
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