db series up to 40 watts www . wallindustries . com 1 603 778 2300 product features - single, dual , triple dc/dc converter, up to 40watts - ideal for telecom and networking applications - 2:1 input range, high efficiency - industry compatible pin out, 2? x 2? form factor - remote on / off, ttl - six side shielded, low profile 0.4? height - no external input or output filtering required - regulated output(s) - >1500vdc i/o isolation, ul, cul approved - mtbf = 1.398x10 6 hours, bellcore tr-nwt-000332 overview the db series of high efficiency dc/dc converters are available as single dual, or triple output versions, with up to 40 watts of output power. the product is ideal for telecom and networking applications. the converter is designed for a 2:1 input range, either nominal 24 volt (18vdc -36vdc) or nominal 48vdc (36vdc-75vdc). the converter is pcb mountable, the package has a form factor of 2? x2? x .4? and is six side shielded. the standard specifications include the pi-input filter, excellent load regulation, remote on/off capability, and short circuit protection. the isolation voltage meets the >1500vdc telecom requirements. specifications: nominal input: 48vdc (36-75vdc) 24vdc (18-36vdc) output voltage: see table 1 output power: 40w efficiency: up to 90% isolation voltage: >1500vdc operating temperature: -25c to +71c max. case temp. 100c dimensions: 2? x 2? x 0.4? table 1 model input output effic. number voltage volts//amps % vdc db24s3.3-26 18-36 3.3 // 8 88 db24s-5-40 18-36 5 // 8 88 db24s12-40 18-36 12 // 3.33 90 db24s15-40 18-36 15 // 2.67 90 db24d3.3-5-33** 18-36 3.3/5 // 4/4 88 db24t3.3-12-31 18-36 3.3/+-12 //6/.4 88 db24t3.3-15-31 18-36 3.3/4-15/6/.3 82 db24t5-12-40 18-36 5/+/-12 //6/+/-.4 89 db24t5-15-40 18-36 5/+/-15//6/+/-.3 89 db48s3.3-26 36-75 3.3 // 8 88 db48s5-40 36-75 5 // 8 90 DB48S5-12-40 36-75 12 // 3.33 90 db48s5-15-40 36-75 15 // 2.67 90 db48d3.3-5-33** 36-75 3.3/5 // 4/4 88 db48t3.3-12-31 36-75 3.3/+/-12 // 6/.4 88 db48t3.3-15.31 36-75 3.3/ +/-15/6/.3 88 db48t5-12-40 36-75 5/+/-12 // 6/+/-.4 89 db48t5-15-40 36-75 5/+/-15 // 6/+/-.3 89 ** ul/cul pending typical applications: 24vdc or 48vdc telecom on-board distributed power low profile & height pcb multiple output requirements for further information or application support: www.wallindustries.com or call 1-888-597-wall 11/16/02
up to 40 watts db series 2 www . wallindustries . com 603 778 2300 specification method min. typ. max. units input voltage: 48v version 36 48 75 volts 24v version 18 24 36 volts remote on/off ttl ttl logic input filter pi-filter output voltage see table volts output voltage set point +/- 1% % of vout auxillaries +/- 5% output current see table a overcurrent protection limiting % of iout output ripple 20mhz bw <70mvpp mv peak/peak short circuit protection continuous line regulation hl / ll +/- 0.5% main output +/- 3.0% auxiliary output load regulation 10-100% load +/- 0.5%(single) +/-1% (dual) +/-2% (triple), primary +/- 5% (aux.) transient response within +/-1% vout <500u sec output trim single output 10% % of vout efficiency see table isolation voltage >1500vdc vdc/sec isolation resistance in/out >100mohms switching frequency 300khz typ. operating temperature -25 +71 degree c storage temperature -55 105 degree c weight ~2 oz dimensions case w/o pin 2?x 2?x 0.4? inches case material ni coated cu all case and pin-to-case dimensions are for reference only, unless otherwise noted. all dc/dc converters should be externally fused at the front end for pro- tection. significant capacitive load at the output of the converter may inhibit the start-up and operation. 11/16/02
3 603 778 2300 www . wallindustries . com up to 40 watts db series pin connections single dual triple 1 +vin +vin +vin 2 -vin -vin -vin 3 ctrl ctrl ctrl 4 nc 3.3v +aux out 5 -sense 3.3v com return 6 +sense nc -aux out 7 +vout nc +vout 8 -vout 5v -vout 9 trim 5v nc return all dimensions in inches (mm) pin pitch tolerance +/- 0.35mm 11/16/02
|
