bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com ?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output control functions page 1 GAQW3V330 C 1 / 8 brick aquarius series ordering information ? industry standard pinout and footprint ? no heat sink required ? high effciency: 91% at 3.3v, 30a 91% at 3.3v, 15a ? very low common-mode noise for a commercial dc/dc converter ? two-stage input flter ? constant switching frequency ? remote sense ? single board design ? very low parts count ? uses patented power supply control and architecture ? microprocessor controlled ? primary-side enable, choice of logic protection features ? over temperature protection ? over voltage protection ? over current protection ? over/under input voltage protection typical characteristics ? output setpoint accuracy: 1% ? load regulation: 0.2% ? line regulation: 0.2% ? regulation over line, load, and temperature: 2% ? low output ripple ? output trim standard model number input voltage output voltage max current GAQW3V330* 48v 3.3v 30a * options: p = positive logic version; high = on e = 0.18" pins ( .01") m = 0.145" pins ( .01") s = 0.12" pins ( .01") t = tuned model** ** t (tuned model) option designed for higher di/dt and ? l applications, the transient response has been modifed to take advantage of the capacitance on the customers pcb. this unit requires a minimum load capacitance of 5600f with an impedance magnitude of less than 0.005 at 15khz. it offers a minmum 3x improvement in the peak response compared to a standard unit. example part number: (all options) GAQW3V330 p s t part number options: positive logic version optional pin lengths e = 0.18" m = 0.145" s = 0.12" tuned model
?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com page 2 input specifcations parameter min typical max units operating input voltage 36 48 75 v dc input current 3.5 a input capacitance 3 f input hysteresis, low line 2 v dc v in = 48v dc , t a @25? c, 300 lfm airfow, v out = 3.3v dc , i out = full load unless otherwise noted. available output power depends on ambient temperature and good thermal management. (see application graphs for limits.) 1. during short circuit, converter will shut down and attempt to restart once per second. the average current during this condition will be very low and the device can be safely left in this condition continuously. 2. limited by output energy storage. for improved performance see tuned (t) model information. output specifcations parameter min typical max units regulation over line, load & temperature 3.234 3.3 3.366 v voltage ripple 20 mv rms voltage ripple, 20mhz bw 60 mv pCp current range 0 30 a current limit inception 30.9 42 a short circuit current, peak 1 45 a output transient response, 50% to 75% load change, 1a/sec 2 16 %v out settling time to 1% 200 s turn-on time to 98% vnom 25 ms output overshoot at turn-on 0 %v out trim range 70 110 %v out over voltage protection, latching 130 %v out
bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com ?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output page 3 isolation specifcations parameter min typical max units isolation test voltage, input/output (basic) 2250 v dc isolation resistance 10 m 3. pcb less than 130 ? c. features parameter min typical max units over temperature protection, thermal sensor, latching 3 110 ? c switching frequency, fixed 250 khz general specifcations operating temperature -40 ? c to + 100 ? c storge temperature -55 ? c + 125 ? c relative humidity 10% to 95% rh, non-condensing vibration 2 to 9 hz, 3mm disp., 9 to 200 hz, 1g material flammability ul v-0 weight 27 grams mtbf telcordia (bellcore) 2.2 million hours approvals and standards ul and c-ul recognized component, tuv**, ul60950, csa 22.2 no. 950, iec/en 60950 emc characteristics: designed to meet emission and immunity requirements per en55022, cispr 22, class b, and cispr 24. ** an external fuse shall be used to comply with the requirements.
?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com page 4 application notes coolconverter ? bel powers proprietary coolconverter? ? patented single-stage power conversion architecture, control and magnetic design allow unprecedented power density and effciency in an isolated power supply. protection and control valid input voltage range the converter measures the input voltage and will not allow operation outside of the input voltage specifcation. as shown by the graphs, hysteresis is added to both the high and low voltage to prevent the converter from turning on and off repeatedly when the voltage is held near either voltage extreme. at low line, this assures the maximum input current is not exceeded; at high line, this assures the semiconductor devices in the converter are not damaged by excessive voltage stress. on/off logic option the on/off control logic can be either negative (standard) or positive to enable the converter. for negative logic, the on/off pin is brought to below 1.0v with respect to the Cinput pin to enable the converter. the pull-down must be able to sink 100a. for positive logic, the on/off pin is brought to greater than 4.0v with respect to the Cinput pin and be limited to less than 10v. to request the positive logic version, add the suffx (p) to the standard part number. the on/off pin has a built-in pull-up resistor of approximately 100k to +5v. output over voltage protection the output voltage is constantly monitored by the microprocessor with a redundant secondary-side measurement circuit that both shuts down the duty cycle and triggers the microprocessor to shut down. if the output voltage exceeds the over voltage specifcation, the microprocessor will latch the converter off. to turn the converter on required either cycling the on/off pin or power to the converter. this advanced feature prevents the converter from damaging the load if there is a converter failure or application error. if non- latching is required, consult factory. ? an advanced microcontroller reduces parts count while adding features, performance and fexibility in the design. ? low common-mode noise results from lower capacitance in the transformer from balanced winding design. under voltage hysteresis 1.0 0 30 34 37 input voltage (v) output voltage normalized 36 32 33 35 31 over voltage hysteresis 1.0 0 76.5 78.5 80.5 input voltage (v) output voltage normalized 79.5 77.5 78 80 79 77
bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com ?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output page 5 protection and control thermal shutdown the printed circuit board temperature is measured using a semiconductor sensor. if the maximum rated temperature is exceeded, the converter is latched off. to re-enable the converter requires cycling the on/off pin or power to the converter. if non-latching is required, consult factory. control options as the behavior of the circuit is determined by frmware in the microcontroller, specifc requirements, such as: ? non-latching thermal protection ? custom valid input voltage range ? controlled delay from initiating an on/off signal for power sequencing can be accomplished with no change to hardware. the standard behavior was chosen based on system design experience, but customers may have their own requirements. please contact bel power for any special needs. remote sense the output voltage is regulated at the point where the sense pins connect to the power output pins. total sense compensation should not exceed 0.4v or 10% of vout, whichever is greater. safety an external input fuse must always be used to meet these safety requirements. external output trimming trim to trim the output voltage higher, connect the required trim resistor from the trim pin to the +sense pin. to trim the output voltage lower, connect the required trim resistor from the trim pin to the Csense pin. the trim-down equation applies to all voltages. coolconverter ? trim-down +sense trim Csense trim up trim down 10k trimpot increase in output v oltage (%) 1000 100 10 0 1 2 3 4 5 6 7 8 9 1 0 t rim resistance (k ) 3.3v t rim-up decrease in output v oltage (%) 1000 100 10 0 1 2 3 4 5 6 7 8 9 10 t rim resistance (k ) t rim-do wn r trim-up = 3.3 (100+ ? %) _ (100+ 2 ? %) 5.11k 1.225 ? % ? % { } r trim-down = 100 _ 2 5.11k ? % { } trim-up
?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com page 6 effciency data ef ficiency 94 92 90 88 86 84 82 80 0 2 0 3 0 output curr ent (a) ef ficiency (%) 36v vi n 48v vi n 75v vi n 10 15 25 5 power dissipation 14 12 10 8 6 4 2 0 0 2 0 3 0 output curr ent (a) power dissipation (w) 36v vi n 48v vi n 75v vi n 10 5 1 5 25 start up 1) vo ut 1v 4ms/div 2) iout 10a/div 3) enable 5v/div ch3 ch1 ch2 v oltage ripple 1) v out 20mv/div 2 s/div 10 f ext cap 20mhz bw t ransient response 1) v out 500mv/div 200 s/div 2) iout 10a/div line/load regulation 3.37 3.35 3.33 3.31 3.29 3.27 3.25 3.23 0 1 0 2 0 output curr ent (a) output v oltage (v) 36v vi n 48v vi n 75v vi n 15 5 2 5 3 0 setpoint accuracy 0.8061% line regulation 0.0595% load regulation 0.0397% line & load regulation 0.0839% power dissipation start up voltage ripple transient response line/load regulation 1. v out 1v 4ms/div 2. i out 10a/div 3. enable 5v/div 1. v out 20mv/div 2s/div 10f ext cap 20mhz bw 1. v out 500mv/div 200s/div 2. i out 10a/div
bel power inc. 155 flanders road, westborough, ma 01581 ? tel 508-870-9775 ? fax 508-870-9796 ? www.belpower.com ?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output page 7 back bias back bias 1) vo ut 1v/div 20ms/div 35 30 25 20 15 10 5 0 0 2 0 3 0 8 0 9 0 ambient t emperatur e ( c) output curr ent (a ) 300 lfm 200 lfm 100 lfm 10 40 70 50 60 thermal derating cr osswise airflow over v oltage pr otection 1) v out 1v/div 0.25ms/div over -curr ent pr otection 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 30 40 45 output curr ent (a) output v oltage (v) 35 note: over -current protection is blip-mode (aka hiccup). 36v vi n 48v vi n 75v vi n 35 30 25 20 15 10 5 0 0 2 0 3 0 8 0 9 0 ambient t emperatur e ( c) output curr ent (a ) 300 lfm 200 lfm 100 lfm 10 40 70 50 60 thermal derating lengthwise airflow over current protection note: over current protection is blip-mode (aka hiccup). thermal derating crosswise airfow thermal derating lengthwise airfow over voltage protection 1. v out 1v/div 0.25 ms/div 1. v out 1v/div 20ms/div
corporate bel fuse inc. 206 van vorst street jersey city, nj 07302 tel 201-432-0463 fax 201-432-9542 www.belfuse.com far east bel fuse ltd. 8f / 8 luk hop street san po kong kowloon, hong kong tel 852-2328-5515 fax 852-2352-3706 www.belfuse.com europe bel fuse europe ltd. preston technology management centre marsh lane, suite g7, preston lancashire, pr1 8ud, u.k. tel 44-1772-556601 fax 44-1772-888366 www.belfuse.com ?2006 bel fuse inc. specifcations subject to change without notice. 11.06 power products aquarius dc/dc converters GAQW3V330 48v input C 3.3vdc C 30a output page 8 ref. .270 min. .011 .385 bottom view 2.28 .15 .14 2.000 pin 4 .600 pin 5 .450 pin 6 .300 pin 7 .150 pin 8 .00 0 pin 3 .600 pin 2 .300 pin 1 0.00 .90 pin function pin dia. (in.) 1 + input 0.040 2 on/off 0.040 3 C input 0.040 4 C output 0.060 5 C sense 0.040 6 trim 0.040 7 + sense 0.040 8 + output 0.060 notes: 1. mechanical tolerances x.xxx in. = 0.005 in. x.xx in = 0.01 in. 2. pin material: brass with tin/lead plating over nickel 3. workmanship: meets or exceeds ipc-a-610b class ii pin confguration C bottom view mechanical GAQW3V330 rohs compliance complies with the european directive 2002/95/ec, calling for the elimination of lead and other hazardous substances from electronic products. these parts are not however compatible with the higher temperatures associated with lead free solder processes and must be soldered using a refow profle with a peak temperature of no more than 240 ? c.
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