e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 1 of 9 applications ? distributed power architectures ? telecommunications equipment ? lan/wan applications ? data processing applications features ? low profile (<8.5mm) ? 2000 vdc input to output isolation meets basic insulation ? high efficiency ? start-up into high capacitive load ? low conducted and radiated emi ? output overcurrent protection ? output overvoltage protection ? overtemperature protection ? back drive protection ? remote sense ? set point accuracy 1% ? remote on/off (primary referenced), positive or negative logic ? output voltage trim adjust ? ul 1950 recognized, csa 22.2 no. 950- 95 certified, tuv iec950 description the new e2s15 series of single-output dc/dc conv erters, offer unprecedented density and performance in an eighth brick, which is 40% smaller than the traditio nal quarter-brick footprint. patent pending technology combined with thermally optimized construction allows the e2s15 to provide 15a of output current in an 8.5mm package without a heatsink. a nd the e2s15 series requires minimal derating to operating in high ambient temperatures. the 100% surface mount desi gn provides consistent high quality and reliability and the smt mounting option eliminates the need for sepa rate (additional manual) operations to mount the converters to the motherboards during mass production. selection chart model input voltage range, vdc input current, max, adc output voltage, vdc output rated current, i rated adc output ripple / noise, typ, mv p-p efficiency @ i rated, typical , % e2s15zy 36-75 0.62 1.2 15 30 81.5 e2s15za 36-75 0.77 1.5 15 30 83.5 e2s15zb 36-75 0.9 1.8 15 30 84.5 e2s15zc 36-75 1.0 2.0 15 30 85.5 e2s15zd 36-75 1.2 2.5 15 30 87 e2s15ze 36-75 1.60 3.3 15 30 88 e2s10zg 36-75 1.65 5.0 10 30 86
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 2 of 9 absolute maximum ratings stresses in excess of the absolute maximum rating s may cause performance deg radation, adversely effect long-term reliability and cause permanent damage to the converter. parameter conditions/description min max units input voltage continuous 10ms 75 100 vdc vdc operating temperature ambient -40 85 c storage temperature -55 125 c on/off control voltage referenced to -vin 20 vdc environmental and mechanical specifications all specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. parameter conditions/description min nom max units shock halfsine wave, 3 axes 50 g sinusoidal vibration gr-63-core, section 5.a.2 1 weight 0.53 (15 ) oz/g water washing standard process yes mtbf telcordia tr-332, method i case 1 2.6 mhrs isolation specifications all specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. parameter conditions/description min nom max units insulation safety rating basic isolation voltage 2000 vdc isolation resistance 10 mohm isolation capacitance 160 pf input specifications all specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. parameter conditions/description min nom max units input voltage continuous 36 48 75 vdc turn-on input voltage ramping up vin= 36-75 33 35 vdc turn-off input voltage ramping down vin = 36-75 31 33 vdc turn-on time to output regulation band 100% resistive load 3ms input reflected ripple current 25mhz bandwidth 6 ma pk.pk inrush transient vin=vin.max 0.1 a 2 s
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 3 of 9 output specifications all specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. parameter conditions/description min nom max units output voltage setpoint accura cy vin=vin.nom, full load -1 1 %vout output current 0 15 adc line regulation vin.min to vin.max, iout.max +/- 2 +/- 5 mv load regulation vin=vnom, iout.min to iout.max +/- 2 +/- 5 mv total output voltage regulation over all input voltage, load, and temperature conditions -3 3 %vout remote sense headroom*** 10% %vout dynamic regulation peak deviation settling time 50-75% load step change di/dt = 5 a/ s to 1% error band 140 100 mv s admissible load capacitance iout.max, nom vin 15,000 f output current limit threshold** vout 0.97vout.nom 16.5 20 adc switching frequency 435 khz over voltage protection, non latching over all input voltage and load conditions 117 122 127 %vout trim range iout.max, vin=vnom -20 +10 %vout ** overcurrent protection is non-latching with auto recovery. *** vout can be increased up to 10% via the sense leads or up to 10% via the trim function, however total output voltage trim from all sources should not exceed 10% of vout (nom) in order to insure specified operation of over-volt age protection circuitry. feature specifications all specifications apply over specified input voltage, output load and temperature range, unless otherwise noted. parameter conditions/description min nom max units shutdown (on/off) negative logic - converter on - converter off positive logic - converter on - converter off on/off signal is low ? converter is on low logic range high logic range on/off signal is low ?converter is off high logic range low logic range -20 2.4 2.4 -20 0.8 20 20 0.8 vdc vdc vdc vdc overtemperature protection (pcb) shut down 118 c
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 4 of 9 characteristic curves load current [adc] 024681012 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 1. e2s10zg (5.0v) efficiency vs. load load current [adc] 0 2 4 6 8 10 12 14 16 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 2. e2s15ze (3.3v) efficiency vs. load load current [adc] 0246810121416 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 3. e2s15zd (2.5v) efficiency vs. load load current [adc] 0 2 4 6 8 10121416 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 4. e2s15zc (2.0v) efficiency vs. load load current [adc] 0246810121416 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 5. e2s15zb (1.8v) efficiency vs. load load current [adc] 0 2 4 6 8 10 12 14 16 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 6. e2s15za (1.5v) efficiency vs. load
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 5 of 9 load current [adc] 0 2 4 6 8 10 12 14 16 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 7. e2s15zy (1.2v) efficiency vs. load load current [adc] 0246810121416 efficiency 0.65 0.70 0.75 0.80 0.85 0.90 0.95 72 v 48 v 36 v figure 8. e2s15zw (1.0v) efficiency vs. load
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 6 of 9 thermal considerations the e2s15 series converters are designed for natural or forced convection cooling. the maximum allowable output power of the converters is determined by meeting the derating criteria of all electronic components used in the power supplies. an example of the derating criteria for the semiconductor junction temperature is not to exceed 120c to provide reliable long-term operation of the converters. the graphs in fig. 9 -16 show the maximum output current of the e2s15 series converters at different ambient temperatures under both natural and forced (airflow direction from pin1 to pin3) convection. ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 2 4 6 8 10 12 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 9. e2s10zg (5.0v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 10. e2s15ze (3.3v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 11. e2s15zd (2.5v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 12. e2s15zc (2.0v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 13. e2s15zb (1.8v) derating curves
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 7 of 9 ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 14. e2s15za (1.5v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 15. e2s15zy (1.2v) derating curves ambient temperature [c] 20 30 40 50 60 70 80 90 load current [adc] 0 5 10 15 20 500 lfm (2.5 m/s) 400 lfm (2.0 m/s) 300 lfm (1.5 m/s) 200 lfm (1.0 m/s) 100 lfm (0.5 m/s) 0 lfm (0 m/s) figure 16. e2s15zw (1.0v) derating curves
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 8 of 9 mechanical drawing inches (mm) top view 1 2 3 7 8 6 5 4 side view e2s15 pinout (surface mount) top view 1 2 3 7 8 6 5 4 side view e2s15 pinout (through-hole) e2s platform notes ? all dimensions are in inches [mm] ? connector material: copper ? connector finish: gold over nickel ? converter weight: 0.53 oz [15 g] ? recommended surface-mount pads: min. 0.080? x 0.112? [2.03 x 2.84] max. 0.092? x 0.124? [2.34 x 3.15] pad/pin connections pad/pin # function 1vin (+) 2 on/off 3 vin (-) 4 vout (-) 5 sense(-) 6 trim 7 sense(+) 8 vout (+) height option ht (max. height) +0.000 [0.00] - 0.038 [-0.97] cl (min. clearance) +0.030 [+0.77] -0.000 [-0.00] 0.303 [7.69] 0.030 [0.77] c2 0.336 [8.53] 0.063 [1.60]
e2s series ? eighth-brick dc/dc converter 48v input data sheet 5.0v, 3.3v, 2.5v, 2.0v, 1.8v , 1.5v, 1.2v, 1.0v output rev. jun 06, 2002 page 9 of 9 ordering information product series output current input voltage output voltage 1 on/off logic surface mount pin length height option e2s 15 z g - n m6 c2 single output eighth- brick format vout1=5 iout = 10a vout1 < 5 iout=15a z = 48vin nom. g = 5.0v e = 3.3v d = 2.5v c = 2.0v b = 1.8v a = 1.5v y = 1.2v w = 1.0v n ? negative (blank) ? positive m6 ? surface mount (blank) ? through hole blank ? 0.188? 7 ? 0.145? 8 ? 0.110? not valid w/m6 option see chart below not valid w/m6 option height, clearance and pin options for through hole versions ht (maximum height) cl (minimum clearance) pl pin length height option +0.000 [+0.00] -0.038 [- 0.97] +0.030 [+0.77] -0.000 [- 0.00] pin option 0.005 [0.13] blank 0.303 [7.69] 0.030 [ 0.77] 0.188 [4.77] c2 0.336 [8.53] 0.063 [1.600] 7 0.145 [3.68] c3 0.400 [10.16] 0.127 [3.23] 8 0.110 [2.79] c4 0.500 [12.70] 0.227 [5.77] exam ple: e2s10zg-nm6 indicates a 5.0v output model with negative on/off logic in a smt mounting package. notes 1. consult factory for the complete list of available options. 2. power-one products are not authorized for use as critical components in life support systems, equipment used in hazardous environments, or nucl ear control systems with out the express written consent of the respective divisional president of power-one, inc. 3. the appearance of products, including safety agen cy certifications pictured on labels, may change depending on the date manufactured. specificat ions are subject to change without notice.
|
