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48vdc/24vdc input, 3.3vdc@25a output quarter-brick converter AVQ100-36S3V3 document no.: 31020993 august 31, 2011 rev 2.0 description the AVQ100-36S3V3 is a single output dc-dc converter with standard quarter-brick outline and pin configuration. it delivers up to 25a output current with 3.3v output voltage. above 90% efficiency and excellent thermal performance makes it an ideal choice to supply power in telecom and datacom. it can work under -40 c ~ +85 c. 18v ~ 60v wide input range makes it possible for both 24v and 48v power system application. operational features z delivers up to 25a output current z high efficiency: 90% (typ., full load, 48v). 92% (typ., half load, 24v) z wide input range: 18v ~ 60v z excellent thermal performance z no minimum load requirement z start-up and shut-down monotonically into any normal and pre-biased loads, internal pre-bias function circuit prevents back negative current drawn from external load z rohs 5/6,rohs 6/6 compliant control features z remote control function (negative or positive logic optional) z remote output sense z trim function: 80% ~ 110% protection features z input under voltage lockout z output over current protection z output over voltage protection z over temperature protection mechanical features z industry standard quarter-brick pin-out outline z open frame structure and with baseplate option z pin length option: 3.8mm, 4.8mm, 5.8mm safety & emc z meets safety standards ul 60950-1, csa-c22.2 no.60950-1, iec/en 60950-1 and gb4943. z approved by ul and tuv. z meets 2006/95/eec and 93/68/eec directives which facili tates ce marking in user?s end product z meets conducted emissi on's requirements of fcc class (and en55022 class a with external filter.
AVQ100-36S3V3 dc-dc converter 2/15 http://www.emersonnet workpower.com.cn electrical characteristics full operating ambient temperatur e range is -40c to +85c. specifications ar e subject to c hange without notice. parameter min. typ. max. unit notes & conditions absolute max. ratings input voltage non-operating 80 v 100ms operating 60 v continuous operating temperature -40 85 c storage temperature -55 125 c voltage at remote on/off pin -0.7 12 v input characteristics operating input voltage range 18 48 60 v input under-voltage lockout turn-on voltage threshold 16.2 16.7 17.2 v turn-off voltage threshold 14.6 15.1 15.6 v lockout voltage hysteresis 1.1 1.6 2.1 v max. input current 6 a 18v in , full load no-load input current 0.1 a standby input current 0. 005 0.01 a remote off inrush current transient rating 0.5 a 2 s figure 14 input reflected ripple current 10 20 ma through 12h inductor; figure 14 recommended input fuse 15 a fast blow external fuse recommended; figure 10 input filter component values (c\l) 7.6\2.2 f\h internal values recommended external input capacitance 100 f low esr capacitor recommended; figure 10 output characteristics output voltage set point (standard option) 3.267 3.300 3.333 v 48v in , full load output voltage line regulation 0.05 0.15 % 2 5 mv output voltage load regulation 0.05 0.15 % 2 5 mv
AVQ100-36S3V3 dc-dc converter 3/15 http://www.emersonnet workpower.com.cn parameter min. typ. max. unit notes & conditions output voltage temperature regulation 0.02 %/c total output voltage range 3.25 3.30 3.35 v over sample, line, load, temperature & life output voltage ripple and noise 40 70 mvpp figure 2 20mhz bandwidth; figure 14 operating output current range 0 25 a output dc current-limit inc eption 27.5 35 a hiccup: auto-restart when over-current condition is removed reverse current-limit while enabled 0.5 1.0 2.0 a negative current drawn from output reverse current-limit while disabled 0 10 50 ma negative current drawn from output vout pre-bias level 90 %v o output capacitance 470 470 10000 f high frequency and low esr is recommended dynamic characteristics dynamic response 50% ~ 75% ~ 50% i o,max , 0.1a/s 150 mv figure 4 test condition: 25c, nominal input voltage, see figure 10 settling time 100 s recovery to within 1% v o,nom 50% ~ 75% ~ 50% i o,max , 1a/s 180 mv figure 5 test condition: 25c, nominal input voltage, see figure 10 settling time 200 s recovery to within 1% v o,nom turn-on transient rise time 10 30 ms full load, figure 6 turn-on delay time 5 10 ms output voltage overshoot 0 %v o efficiency 100% load (24v in ) 90 % figure 1 50% load (24v in ) 92 % figure 1 100% load (48v in ) 90.5 figure 1 50% load (48v in ) 90 figure 1
AVQ100-36S3V3 dc-dc converter 4/15 http://www.emersonnet workpower.com.cn electrical characteristics (continued) parameter min. typ. max. unit notes & conditions isolation characteristics isolation voltage (conditions: 1ma for 60s, slew rate of 1500v/10s) 1500 v basic insulation, pollution degree 2, input to output 1500 v basic insulation, pollution degree 2, input to baseplate 1500 v basic insulation, pollution degree 2, output to baseplate feature characteristics switching frequency 295 300 305 khz remote on/off control (positive logic) off-state voltage -0.7 1.2 v see figure 11 on-state voltage 3.5 12 v remote on/off control (negative logic) off-state voltage 3.5 12 v on-state voltage -0.7 1.2 v output voltage trim range 2.64 3.63 v see trim characteristics of application note output voltage remote sense range 0.3 v output over-voltage protection 3.8 4.2 5 v hiccup: auto-restart when over-voltage condition is removed over-temperature shutdown 125 c auto recovery;o ver-temperature protect(otp) test point: see figure 16 over-temperature hysteresis 5 c reliability characteristics calculated mtbf (telcordia ) 2.5 10 6 h telcordia sr-332-2006; 80% load, 300lfm, 40c t a
AVQ100-36S3V3 dc-dc converter 5/15 http://www.emersonnet workpower.com.cn electromagnetic compatibility requirements test item regulations criteria notes & conditions conducted emission en 55022 dc input port, class a limits / see emc test conditions immunity to electrostatic discharge iec/en61000-4-2 enclosure port, level 3 b immunity to electrical fast transient iec/en61000-4-4 dc input port, level 3 b immunity to surges iec/en61000-4-5 dc input port line to ground(earth): 600v line to line: 600v b immunity to continuous conducted interference iec/en61000-4-6 dc input port, level 2 a immunity to voltage dips and short interruptions and voltage variations en 61000-4-29 dc input port b criterion a: normal performance during and after test. criterion b: for eft and surges, low-voltage protec tion or reset is not allowed. temporary output voltage fluctuation ceases after disturbances ceases, and from whic h the eut recovers its normal performance automatically. for dips and esd, output voltage fluctuation or reset is allowed during the test, but recovers to its normal performance automatically after the dist urbance ceases. criterion c: temporary loss of output, the corre ction of which requires operator intervention. criterion d: loss of output which is not recoverable, owing to damage to hardware.
AVQ100-36S3V3 dc-dc converter 6/15 http://www.emersonnet workpower.com.cn qualification testing parameter unit (pcs) test condition halt test 4 ~ 5 t a,min -10c to t a,max +10c, 5c step, v in = min to max, 0 ~ 105% load vibration 3 frequency range: 5hz ~ 20hz, 20hz ~ 200hz, a.s.d: 1.0m 2 /s 3 , -3db/oct, axes of vibration: x/y/z time: 30min/axis mechanical shock 3 30g, 6ms, 3axe s, 6directions, 3time/direction thermal shock 3 -40c to 100c, unit temperature 20cycles thermal cycling 3 -40c to 55c, temperature change rate: 1c/min, cycles: 2cycles humidity 3 40c, 95%rh, 48h solder ability 15 ipc j-std-002c-2007 characteristic curves 60 65 70 75 80 85 90 95 2.5 5 7.5 10 12.5 15 17.5 20 22.5 25 output current (a) efficiency (%) vin=24v vin=48v vin=60v figure 1 efficiency vs. output current, t a =25c, v o =3.3v figure 2 output ripple & noise (2s/div, 20mv/div), see figure 14 for test configuration figure 3 input reflected ripple current (2s/div, 5ma/div), see figure 14 for test configuration
AVQ100-36S3V3 dc-dc converter 7/15 http://www.emersonnet workpower.com.cn figure 4 dynamic response for 25% load step (50% ~ 75% ~ 50%) and 0.1a/s slew rate, (1ms/div), see figure 10 for test configur ation; ch1-output voltage (50mv/div); ch2-output current (2a/div) figure 5 dynamic response for 25% load step (50% ~ 75% ~ 50%) and 1a/s slew rate, (1ms/div), see figure 10 for test configuration; ch1-output voltage (100mv/div); ch2-output current (2a/div) figure 6 output voltage startup by power on, (5ms/div), see figure 10 for test configuration; ch1-output voltage (1v/div); ch2-intput voltage (20v/div) figure 7 output voltage shut down by power off, (2ms/div), see figure 10 for test configuration; ch1-output voltage (1v/div); ch2-input voltage (20v/div) figure 8 output voltage startup by remote on, (5ms/div), see figure 10 for test configuration; ch1-output voltage (1v/div); ch2-remote on (2v/div) figure 9 output voltage shutdown by remote off, (5ms/div), see figure 10 for test configuration; ch1-output voltage (1v/div); ch2-remote off voltage (2v/div)
AVQ100-36S3V3 dc-dc converter 8/15 http://www.emersonnet workpower.com.cn application note typical application emi filter fuse vdc in+ in- out+ out- c1 c2 vin+ vin- avq100 c3 c4 load vo+ s+ trim s- vo- cnt figure 10 typical application c1: 100f/100v electrolytic capacitor, p/n: upw2a101mhd (nichicon) or equivalent caps c2: 1f/100v x7r ceramic capacitor, p/n: c 3225x7r2a105kt0l0u (tdk) or equivalent caps c3: 1f/25v x7r ceramic capacitor, p/n: c 3225x7r1e105kt000n (tdk) or equivalent caps c4: 470f electrolytic capacitor, p/n: uud1h4 71mnl1gs (nichicon) or equivalent caps fuse: external fast blow fuse with a rati ng of 15a. the recommended fuse model is 0324020 mxp from littlefuse. remote on/off either positive or negative remote on/off logic is available in AVQ100-36S3V3. the logic is cmos and ttl compatible. below is the detailed internal circuit and reference in AVQ100-36S3V3. remote on/off remote on/off 10v 12.4k 15k 10k pwm controller pwm controller 10v 12.4k 10k 2.0v negative logic positive logic figure 11 remote on /off internal diagram
AVQ100-36S3V3 dc-dc converter 9/15 http://www.emersonnet workpower.com.cn trim characteristics connecting an external resistor between trim pin and v o - pin will decrease the output voltage. while connecting it between trim and v o + will increase the output volt age. the following equations determine the external resistance to ob tain the trimmed output voltage. ) ( 2 . 10 510 ? ? ? = ? k r down adj ( ) ) ( 2 . 10 510 225 . 1 100 1 . 5 ? ? ? ? ? ? + = ? k v r nom up adj 100 ? = ? nom desired nom v v v norm v : nominal output voltage. for example, to get 3.63v out put, the trimming resistor is () ) ( 2 . 10 10 510 10 225 . 1 10 100 3 . 3 1 . 5 ? ? ? + = ? k r up adj " 89.9k $ the output voltage can also be trimmed by potential applied at the trim pin. 69 . 2 ) 225 . 1 ( + = trim o v v where trim v is the potential applied at the trim pin, and o v is the desired output voltage. when trimming up, the output curr ent should be decreased accordingl y so as not to exceed the maximum output power and the minimum input vo ltage should be increased as shown in the following figures. load cout vo+ s+ trim s- vo- r trim _up load cout vo+ s+ trim s- vo- r trim _down figure 12 trim up figure 13 trim down sense characteristics if the load is far from the unit, connect s+ and s- to the terminal of the load respectively to compensate the voltage dr op on the transmission line . see figure 10. if the sense compensate function is not necessary, connect s+ to v o + and s- to v o - directly.
AVQ100-36S3V3 dc-dc converter 10/15 http://www.emersonnet workpower.com.cn input ripple & inrush current and output ripple & noise test configuration l1 vdc c1 c2 vin+ vin- dc/dc c3 c4 load vo+ vo- cin probe 50mm current probe figure 14 input ripple & inrush current, ripple & noise test configuration vdc: dc power supply l1: 12h cin: 220f/100v typical c1 ~ c4: see figure 11 note: using a coaxial cable with series 50 ? resistor and 0.68f ceramic capacitor or a ground ring of probe to test output ripple & noise is recommended. emc test conditions c1 c2 vin+ vin- dc/dc c3 c4 vo+ vo- u2 emi filter out+ out- u1 in+ in- pe 1uf/100v 22nf/1000v 1320uh resistive load figure 15 emc test configuration u1: 5a input emc filter module u2: module to test, AVQ100-36S3V3 c1 ~ c4: see figure 11
AVQ100-36S3V3 dc-dc converter 11/15 http://www.emersonnet workpower.com.cn thermal considerations the converter is designed to operat e in different thermal environm ents and sufficient cooling must be provided. proper cooling can be verified by meas uring the temperature at the otp test point. the temperature at this point should not exceed the max values in the table. for a typical application, figure 18 and figure 19 s how the derating of outpu t current vs. ambient air temperature at different air velocity. otp test point figure 16 thermal test point test point temperature limit otp test point 113c figure 17 typical test condition forced airflow direction is from v in - to v in +
AVQ100-36S3V3 dc-dc converter 12/15 http://www.emersonnet workpower.com.cn 0 5 10 15 20 25 25 40 55 70 85 temperature: ta ( ) output current io (a) 400lfm(2m/s) 300lfm(1.5m/s) 200lfm(1m/s) 100lfm(0.5m/s) 0lfm(0m/s) figure 18 output power derating, 48v in , air flowing across the converter from v in - to v in + 0 5 10 15 20 25 25 40 55 70 85 temperature: ta ( ) output current io (a) 400lfm(2m/s) 300lfm(1.5m/s) 200lfm(1m/s) 100lfm(0.5m/s) 0lfm(0m/s) figure 19 output power derating, 24v in , air flowing across the converter from v in - to v in +
AVQ100-36S3V3 dc-dc converter 13/15 http://www.emersonnet workpower.com.cn mechanical diagram 7.62[0.300] 57.9 [2.280] 50.83 [2.001] 36.8 [1.449] 7 5 6 4 8 2 3 bottom view 1 12.7[0.500]max. l load board side view 0.3[0.012]min. 15.24 [0.600] 15.24 [0.600] 6- ! 2.0 0.1 6- ! 1.0 0.1 2- ! 1.5 0.1 tolerance: x.xmm 0.5mm[x.x in. 0.02in.] x.xxmm 0.25mm[x.xx in. 0.01in.] unit: mm[inch] bottom view: pin on upside figure 20 mechanical diagram pin length option device code suffix l -4 4.8mm0.2mm -6 3.8mm0.2mm -8 2.8mm0.2mm none 5.8mm0.2mm
AVQ100-36S3V3 dc-dc converter 14/15 http://www.emersonnet workpower.com.cn pin designations pin no. name function 1 v in + positive input voltage 2 remote on/off remote control 3 v in - negative input voltage 4 v o - negative output voltage 5 s- negative remote sense 6 trim output voltage trim 7 s+ positive remote sense 8 v o + positive output voltage soldering the product is intended for standard manual or wave soldering. when wave soldering is used, the temperat ure on pins is spec ified to maximum 260 c for maximum 7s. when soldering by hand, the iron tem perature should be maintained at 300 c ~ 380 c and applied to the converter pins for less than 10s. longer exposure can cause inte rnal damage to the converter. cleaning of solder joint can be performed with cleaning solvent ipa or similative. ordering information avq100 - 36 s 3v3 p - 6 l ? ? ? ? model series avq: high efficiency quarter brick series, 100: output power 82.5w ? input voltage 36: 18v ~ 60v inpu t range, rated input voltage 48v output number s: single output rated output voltage 3v3: 3v3 output remote on/off logic default: negative; p: positive logic ? pin length -6: 3.8mm rohs status l: rohs, r6; y: rohs, r5 model number description AVQ100-36S3V3-6l 3.8mm pin length; negative on/off logic; without thread inside mounting hole; r6 compliant
AVQ100-36S3V3 dc-dc converter 15/15 http://www.emersonnet workpower.com.cn AVQ100-36S3V3p-6l 3.8mm pin length; positive on/off logic; without thread inside mounting hole; r6 compliant AVQ100-36S3V3-6y 3.8mm pin length; negative on/off logi c; with thread inside mounting hole; r5compliant AVQ100-36S3V3p-6y 3.8mm pin length; positive on/off logi c; with thread inside mounting hole; r5 compliant hazardous substances announcement (rohs of china) parts hazardous substances pb hg cd cr 6 pbb pbde AVQ100-36S3V3 : means the content of the hazardous subs tances in all the average quality materi als of the part is within the limits specified in sj/t-11363-2006 : means the content of the hazardous su bstances in at least one of the aver age quality materials of the part is outside the limits specified in sj/t11363-2006 emerson network power co., ltd. has been committed to the design and manufacturi ng of environment-friendly products. it will reduce and eventuall y eliminate the hazardous substances in the products through unremitting efforts in research. however, limited by the current tech nical level, the following parts still contain hazardous substances due to the lack of reliable substitute or mature solution: 1. solders (including high-temperatur e solder in parts) contain plumbum. 2. glass of electric parts contains plumbum. 3. copper alloy of pins contains plumbum

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