output combinations of 3.3v, 2.5v and 1.8v 30 watt, dc/dc converters dual output mixed voltage, dlv models features figure 1. simpli ed schematic innovation and ex c ell e n c e ? ? datel, inc., mans eld, ma 02048 (usa) ? tel: (508)339-3000, (800)233-2765 fax: (508)339-6356 ? email: sales@datel.co m ? internet: www.datel.com t he dlv (dual low voltage) series from datel provides both digital i/o and core logic supply voltages from a single 2" x 2" industry-standard pinout, plastic package. the dlv-3.3/6-2.5/7 provides 3.3v @ 6 amps and 2.5v @ 7 amps, the dlv-3.3/6-1.8/7 provides 3.3v @ 6 amps and 1.8v @ 7 amps, and the dlv-2.5/7- 2.5/7 provides 2.5v @ 7 amps and 1.8v @ 7 amps. all models are available with input ranges of 10 to 18v (-d12), 18 to 36v (-d24) or 36 to 75v (-d48). plug-in compatibility with a number of converters from other leading manufactur- ers is possible because datel offers these 30 watt converters with the exibility to add/remove the sync (pin 3) and higher-voltage trim (pin 5). each output is independently regulated with its own control loop to provide 1.0% line and load regulation. fully synchronous output topology allows no load operation and high ef ciencies. models are available with either positive or negative on/off control and independent output voltage adjustment. "i" suf x models offer independent, "higher- voltage" on/off control for proper power sequencing of core and i/o voltages. both outputs are internally synchronized to eliminate asynchronous beat frequencies. all models include input pi ltering, input overvoltage and undervoltage shut- down circuitry, output overvoltage protection, output short-circuit and current limit- ing protection and thermal shutdown. these devices meet iec950, ul1950 and en6950 safety standards. cb reports are available on request. "-d48" models are ce marked (meet lvd requirements). two independently regulated outputs: 3.3v @ 6a, 2.5v @ 7a or 1.8v @7a 30 watts total output power available input voltage ranges: 10-18v, 18-36v or 36-75v independent output voltage adjustment remote on/off control and sync pins synchronous recti er; no load operation 2" x 2" package; industry standard pinout iec950/ul1950/en60950 certi ed ce mark available (75v in models) input under and overvoltage shutdown output overvoltage protection thermal shutdown fully isolated (1500vdc) ? input pwm controller opto isolation reference & error amp switch control v2 output switch control output return v1 output v1 trim (option) v2 trim +input sync (option) on/off control input undervoltage and overvoltage comparators pwm controller opto isolation reference & error amp preliminary
30w, dual output, mixed-voltage dc/dc converters dlv series part number structure v 1 nominal output voltage 3.3 dlv 6 -/ d48 - input voltage range: d12 = 10-18 volts (12v nominal) d24 = 18-36 volts (24v nominal) d48 = 36-75 volts (48v nominal) i 1 maximum output current dual low voltage/ mixed-voltage series 2.5 7 /- t v 2 nominal output voltage i 2 maximum output current add t, s, n and i suf xes as desired part number suf xes standard dlv dc/dc s provide a trim function (pin 9) for the lower of the two output voltages. a trim pin (pin 5) for the higher voltage can be added by indicating a "t" suf x. a sync pin can also be added and is indicated by an "s" suf x. an "n" suf x indicates that the on/off control function incorporates negative polarity logic. an "i" suf x provides independent on/off control (pin 4) for the higher output voltage. no suf x pins 3 & 5 not installed, positive polarity on/off control t suf x pin 5 added for higher voltage trim option s suf x pin 3 added for sync option n suf x negative polarity on/off control i suf x pin 4 independent on/off control of pin 6 output voltage mec anical specifi cations 2 i/o connections pin function p40 function p47 function p48 1 +input +input +input 2 input input input 3 sync* sync* sync* 4 on/off control on/off control on/off control 5 +3.3v trim* +3.3v trim* +2.5v trim* 6 +3.3v output +3.3v output +2.5v output 7 output return output return output return 8 +2.5v output +1.8v output +1.8v output 9 +2.5v trim +1.8v trim +1.8v trim performance speci cations and ordering guide ? dlv-2.5/7-1.8/7-d12 2.5 7 75 tbd 1% 1% 12 10-18 tbd tbd 83% c26, p48 1.8 7 75 tbd 1% 1 % dlv-2.5/7-1.8/7-d24 2.5 7 75 tbd 1% 1% 24 18-36 tbd tbd 83% c26, p48 1.8 7 75 tbd 1% 1 % dlv-2.5/7-1.8/7-d48 2.5 7 75 tbd 1% 1% 48 36-75 tbd tbd 83% c26, p48 1.8 7 75 tbd 1% 1 % dlv-3.3/6-1.8/7-d12 3.3 6 75 tbd 1% 1% 12 10-18 tbd tbd 83% c26, p47 1.8 7 75 tbd 1% 1 % dlv-3.3/6-1.8/7-d24 3.3 6 75 tbd 1% 1% 24 18-36 tbd tbd 83% c26, p47 1.8 7 75 tbd 1% 1 % dlv-3.3/6-1.8/7-d48 3.3 6 75 tbd 1% 1% 48 36-75 tbd tbd 83% c26, p47 1.8 7 75 tbd 1% 1 % dlv-3.3/6-2.5/7-d12 3.3 6 75 tbd 1% 1% 12 10-18 tbd tbd 85% c26, p40 2.5 7 75 tbd 1% 1 % dlv-3.3/6-2.5/7-d24 3.3 6 75 tbd 1% 1% 24 18-36 tbd tbd 85% c26, p40 2.5 7 75 tbd 1% 1 % dlv-3.3/6-2.5/7-d48 3.3 6 75 tbd 1% 1% 48 36-75 tbd tbd 85% c26, p40 2.5 7 75 tbd 1% 1 % ? typical at t a = +25 c under nominal line voltage and "balanced," full-power conditions: 3.3v @ 4.5a/2.5v @ 6a; 3.3v @ 5.2a/1.8v @ 7a; 2.5v @ 7a/1.8v @ 7a. ? any combination of rated i out current, not to exceed 30 watts of output power. (see derating graphs.) output input r/n (mvp-p) ? regulation (max.) ef ciency package v out i out ? v in nom. range i in ? (case, model (volts) (amps) typ. max. line load ? (volts) (volts) (ma) min. typ. pinout) bottom view 9 8 5 6 7 1 2 3 4 2.00 (50.08) 1.400 (35.56) 1.200 (30.48) 3 eq. sp. @ 0.400 (10.16) 1.800 (45.72) 0.10 (2.54) 0.10 (2.54) 0.40 (10.16) 0.600 (15.24) 3 eq. sp. @ 0.200 (5.08) plastic case 0.040 ?.001 dia. (1.016 ?.025) 0.20 min (5.08) 2.00 (50.08) 0.48 (12.19) standoff 0.020 (0.51) case c26 * optional pins ? ripple/noise (r/n) measured over a 20mhz bandwidth. all models are specic ed with tbd ceramic capacitors. ? tested from no load to 100% load (other output at no load). ? nominal line voltage, no load/balanced full-power condition. s n i see page 5 for ordering information.
dlv models 30w, dual output, mixed-voltage dc/dc converters performance/functional speci cations typical @ t a = +25 c under nominal line voltage, balanced "full-load" conditions, unless noted. ? input input voltage range: d12 models 10-18 volts (12v nominal) d24 models 18-36 volts (24v nominal) d48 models 36-75 volts (48v nominal) overvoltage shutdown: d12 models 19-23 volts (21v nominal) d24 models 37-42 volts (40v nominal) d48 models 77-81 volts (79v nominal) start-up threshold: d12 models 9-10 volts (9.3v nominal) d24 models 16.5-18 volts (17v nominal) d48 models 34.5-36 volts (35v nominal) undervoltage shutdown: d12 models 8.5-9.6 volts (9.3v nominal) d24 models 16-17 volts (16.5v nominal) d48 models 33-35 volts (34v nominal) input current: normal operating conditions see ordering guide standby mode: off, ov, uv, thermal shutdown 10ma typical input re ected ripple current: source impedance d12 models tbd d24 models tbd d48 models tbd internal input filter type pi (0.039f - 2.2h - tbd) reverse-polarity protection: d12 models tbd minute duration, 6a maximum d24 models tbd minute duration, 4a maximum d48 models tbd minute duration, 2a maximum on/off control (pin 4): ? ? ? d12, d24, d48 models on = open or tbd to +v in , i in = tbda @ tbdv off = 0-0.8v, i in = tbd @ 0v d12n, d24n, d48n models on = 0-0.8v, i in = tbd @ 0v off = open or tbd to +5.5v i in = tbda @ tbdv sync (option, pin 3): ? ? input threshold (rising edge active) 1-2.7 volts input voltage low 0-0.9 volts input voltage high 2.8-5 volts input resistance 35k ? minimum output high voltage (100a load) 3.5-4.8 volts output drive current 35ma input/output pulse width 160-360nsec output v out accuracy 2.5v/1.8v models 1.5% / 2% maximum 3.3v/1.8v models 1% / 2% maximum 3.3v/2.5v models 1% / 1.5% maximum minimum loading per speci cation no load ripple/noise (20mhz bw) see ordering guide line/load regulation see ordering guide ef ciency see ordering guide/ef ciency curves trim range ? 5% each output isolation voltage: input-to-output 1500vdc isolation capacitance 470pf isolation resistance 100m ? output (continued) isolation resistance 100m ? current limit inception: 2.5/1.8v models 2.5v @ 98%v out tbd amps 1.8v @ 98%v out tbd amps 3.3/1.8v models 3.3v @ 98.5%v out tbd amps 1.8v @ 98%v out tbd amps 3.3v/2.5v models 3.3v @ 98.5%v out tbd amps 2.5v @ 98%v out tbd amps short circuit current : 3.3v outputs tbd amps average, continuous 2.5v outputs tbd amps average, continuous 1.8v outputs tbd amps average, continuous overvoltage protection: comparator, magnetic feedback 2.5/1.8v models tbd/tbd 3.3/1.8v models tbd/tbd 3.3/2.5v models tbd/tbd maximum capacitive loading 2.5/1.8v models tbd/tbdf 3.3/1.8v models tbd/tbdf 3.3/2.5v models tbd/tbdf temperature coef cient 0.02% per c dynamic characteristics dynamic load response: 2.5/1.8v models 2.5v (50-100% step to 1.5%v out ) tbd sec maximum 1.8v (50-100% step to 2%v out ) tbd sec maximum 3.3/1.8v models 3.3v (50-100% step to 1%v out ) tbd sec maximum 1.8v (50-100% step to 2%v out ) tbd sec maximum 3.3v/2.5v models 3.3v (50-100% step to 1%v out ) tbd sec maximum 2.5v (50-100% step to 1.5%v out ) tbd sec maximum start-up time: v in to v out tbd on/off to v out tbd switching frequency 225khz (tbd khz) environmental mtbf d12 models tbd hours d24 models tbd hours d48 models tbd hours operating temperature (ambient): without derating: 2.5/1.8v models d12 model tbd d24 model tbd d48 model tbd 3.3/1.8v models d12 model tbd d24 model tbd d48 model tbd 3.3v/2.5v models d12 model tbd d24 model tbd d48 model tbd with derating to +100 c (see derating curves) case temperature: maximum operational +100 c for thermal shutdown tbd minimum, tbd maximum storage temperature 40 to +120 c 3
30w, dual output, mixed-voltage dc/dc converters dlv series physical dimensions 2" x 2" x 0.5" (50.8 x 50.8 x 12.7mm) case material diallyl phthalate, ul94v-0 rated pin material brass, solder coated weight: tbd primary to secondary insulation level operational absolute maximum ratings input voltage: continuous: d12 models 23 volts d2a models 42 volts d48 models 81 volts transient (100msec): d12 models 25 volts d24 models 50 volts d48 models 100 volts input reverse-polarity protection ? input current must be limited. tbd minute duration. fusing recommended. d12a models 6 amps d24a models 4 amps d48a models 2 amps output current ? current limited. devices can withstand an inde nite output short circuit. on/off control (pin 4) max. voltages referenced to input (pin 2) no suf x +v in "n" suf x +8 volts sync control (pin 3) max. voltages "s" suf x +5.7 volts storage temperature 40 to +120 c lead temperature (soldering, 10 sec.) +300 c these are stress ratings. exposure of devices to any of these conditions may adversely affect long-term reliability. proper operation under conditions other than those listed in the performance/functional speci cations table is not implied, nor recommended. 4 figure 2. trim connections using a trim pot figure 3. trim connections to decrease output voltages using fixed resistors ? all models are speci ed with external tbd ceramic output capacitors. ? see technical notes/graphs for details. ? devices may be order with opposite polarity. sync pin available with "s" suf x. see part number suf xes and technical notes for details. ? applying a voltage to on/off control (pin 4) or the sync (pin 3) when no input power is applied to the converter may cause permanent damage. ? output noise may be further reduced with the installation of additional external output capacitors. see technical notes. ? on/off control is designed to be driven with open collector or by appropriate voltage levels. voltages must be referenced to the input (pin 2). ? demonstrated mtbf available on request. ? trim function for the higher of two voltages available with "t" suf x. see part number suf xes and technical notes for details. +3.3v load ? input on/off control +input +3.3v output output return +2.5v output +2.5v trim 7 8 1 4 9 5 6 3 2 +2.5v load 20k ? 5-22 turns 20k ? 5-22 turns +3.3v trim * sync * * optional pin +3.3v load ? input on/off control +input +3.3v output output return +2.5v output +2.5v trim 7 8 1 4 9 5 6 3 2 +2.5v load r trim down r trim down +3.3v trim * sync * * optional pin technical notes trimming output voltages these dlv converters have a trim capability (pins 9 & 5) that allow users to independently adjust the output voltages 5%. (note: pin 5 is an option, see ordering information.) adjustments to the output voltages can be accom- plished via a trim pot, figure 2, or a single xed resistor as shown in figures 3 and 4. a single xed resistor can increase or decrease the output voltage depending on its connection. fixed resistors should have absolute tcr's less than 100ppm/ c to minimize sensitivity to changes in temperature. a single resistor connected from the trim pin 9 to +output (pin 8), see figure 3, will decrease the lower output voltage. a resistor connected from trim pin 9 to output return (pin 7) will increase the lower output voltage. see figure 4. similarly, the higher output voltage can be adjusted using a single resistor connected from the trim (pin 5) to +output (pin 6) or to output return (pin 7). see figures 3 and 4. C28.7 down r t (k ? ) = 3.3 C v o 3.48(v o C 1.577) l n l n C19.7 down r t (k ? ) = 2.5 C v o 2.41(v o C 1.18) l n l n 2.5 volt trim down C14.17 down r t (k ? ) = 1.8 C v o 1.73(v o C 0.86) l n l n 1.8 volt trim down 3.3 volt trim down
dlv models 30w, dual output, mixed-voltage dc/dc converters higher voltage control of "higher" independent on/off trim sync function positive/negative output voltage control, both outputs (pin 5 installed) (pin 3 installed) logic (via pin 4) (via pin 4) suf x positive no yes no suf x no yes no i negative no yes n no yes no ni positive no yes s ye s yes no si negative no yes sn yes no sni positive no yes t no yes no ti negative no yes tn ye s yes no tni positive no yes ts ye s yes no tsi negative no yes tsn yes no tsni ordering information datel makes no representation that the use of its products in the circuits described herein, or the use of other technical info rmation contained herein, will not infringe upon existing or future patent rights. the descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. speci cations are subj ect to change without notice. the datel logo is a registered datel, inc. trademark. datel (uk) ltd. tadley, england tel: (01256)-880444 datel s.a.r.l. montigny le bretonneux, france tel: 01-34-60-01-01 datel gmbh m ? nchen, germany tel: 89-544334-0 datel kk tokyo, japan tel: 3-3779-1031, osaka tel: 6-6354-2025 datel, inc. 11 cabot boulevard, mans eld, ma 02048-1151 tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 internet: www.datel.com email: sales@datel.com iso 9001 registered innovation and ex c ell e n c e ds-0490 12/00 figure 4. trim connections to increase output voltages using fixed resistors +3.3v load +3.3v trim * input sync * on/off control +input * optional pin +3.3v output output return +2.5v output +2.5v trim 7 8 1 4 9 5 6 3 2 +2.5v load r trim up r trim up part number structure v 1 nominal output voltage 3.3 dlv 6 -/ d48 - input voltage range: d12 = 10-18 volts (12v nominal) d24 = 18-36 volts (24v nominal) d48 = 36-75 volts (48v nominal) i 1 maximum output current dual low voltage/ mixed-voltage series 2.5 7 /- t v 2 nominal output voltage i 2 maximum output current add t, s, n and i suf xes as desired s n i part number suf xes standard dlv dc/dc s provide a trim function (pin 9) for the lower of the two output voltages. a trim pin (pin 5) for the higher voltage can be added by indicating a "t" suf x. a sync pin can also be added and is indicated by an "s" suf x. an "n" suf x indicates that the on/off control function incorporates negative polarity logic. an "i" suf x provides independent on/off control (pin 4) for the higher output voltage. no suf x pins 3 & 5 not installed, positive polarity on/off control t suf x pin 5 added for higher voltage trim option s suf x pin 3 added for sync option n suf x negative polarity on/off control i suf x pin 4 independent on/off control of pin 6 output voltage note: resistor values are in k ? . accuracy of adjustment is subject to tolerances of resistors and fac- tory-adjusted output accuracy. v o = desired output voltage. 5 C28.7 up r t (k ? ) = v o C 3.3 5.88 l n l n C19.7 up r t (k ? ) = v o C 2.5 2.84 l n l n 2.5 volt trim up C14.17 up r t (k ? ) = v o C 1.8 1.49 l n l n 1.8 volt trim up 3.3 volt trim up
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