dc/dc converter for igbt driver QA156D-24 2016 . 10 . 18 - a/ 1 page 1 of 3 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation dc/dc converter for igbt driver rohs features ? high efficiency up to 78% ? isolation voltage: 12kvdc ? isolation capacitance: 3pf ? operating temperature range: -40 to +85 ? input under-voltage protection ? output short circuit protection (self-recovery) QA156D-24 is dc-dc converters for igbt drivers, offer 3.6 w rated output power. adopting electromagnetism isolation technology, this model has the characteristics of ultra high isolation. and it has the function of input under voltage protection and output sho rt circuit protection, and can be widely used in: 1. general inverter 2. ac servo drive system 3. electric welding machine 4. uninterruptible power supply (ups) selection guide part no. input output efficiency (%, min./ typ) @ full load max. capacitive load ( f) ) input voltage(vdc) input current(ma, typ.) full load/no-load output voltage (vdc)vo output current (ma , max./ min. ) io nominal(range) qa15 6 d -24 15 (13.5 - 16.5) 368/35 24 150/15 78/80 1000 input specifications item operating conditions min. typ. max. unit input under-voltage protection full load -- 12.0 -- vdc input filter filter capacitor hot plug unavailable output specifications item operating conditions min. typ. max. unit output current io vin=15vdc 15 -- 150 ma output voltage +vo vin=15vdc, full load 21.6 24 26.4 vdc output voltage accuracy see tolerance envelope graph (fig. 1) line regulation full load -- 1.2 1.5 -- load regulation 10%-100% load -- 8 10 % temperature coefficient full load -- -- 0.03 %/ ripple & noise * full load , 20mhz bandwidth -- 120 200 mvp-p note: * ripple and noise are measured by parallel cable method, please see dc-dc converter application notes for specific operation. general specifications item operating conditions min. typ. max. unit insulation voltage input-output, with the test time of 1 minute and the leak current lower than 1ma 12000 -- -- vdc insulation resistance input-output, isolation voltage 500vdc 1000 -- -- m operating temperature full load -40 -- 85 storage temperature -55 -- 125 pin welding resistance temperature welding spot is 1.5mm away from the casing, 10 seconds -- -- 300 casing temperature rise ta=25 , nominal input, full load output -- 30 -- isolation capacitance input-output, 1mhz/0.1v -- 3.0 -- pf storage humidity non-condensing 5 -- 95 %rh
dc/dc converter for igbt driver QA156D-24 2016 . 10 . 18 - a/ 1 page 2 of 3 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation switching frequency full load, nominal input voltage -- 280 -- khz mtbf mil-hdfk-217f@25 500 -- -- k hours physical specifications casing material black flame-retardant and heat-resistant plastic dimensions 51.50*26.50*12.00 mm weight 24g (typ.) cooling method free air convection emc specifications ems esd iec/en61000-4-2 contact 4kv perf. criteria b rs iec/en61000-4-3 10v/m perf. criteria a eft iec/en61000-4-4 2kv perf. criteria b surge iec/en61000-4-5 2kv (input to output) perf. criteria b cs iec/en61000-4-6 3 vr.m.s perf. criteria a product characteristic curve -20% 80% 20% 10% 40% 60% -10% 0 +10% +20% 100% typ . min. max. -10% 0 +10% tolerance envelope cur ve output current percent (nominal input voltage) output voltage accuracy fig. 1
dc/dc converter for igbt driver QA156D-24 2016 . 10 . 18 - a/ 1 page 3 of 3 m ornsun guangzhou science & technology co., ltd. reserves the copyright and right of final interpretation design reference 1. typical application fig. 2 c1/ c2 100uf/35v (low internal resistance capacitance) 2. it is not allowed to connect modules output in parallel to enlarge the power 3. for more information please find dc-dc converter application notes on www.mornsun-power.com dimensions and recommended layout notes: 1. packing information please refer to product packing information . packing bag number: 58210039 ; 2. the lead wire connecting the power supply module and igbt driver should be as short as possible during use; 3. the input&output filtering capacitor should be as close as possible to the power supply module and igbt driver; 4. the peak of the igbt driver gate drive current is high, so low internal resistance electrolytic capacitor is recommended to be used for the power supply module output filter capacitor; 5. the average output power of the driver must be lower than that of the power supply module; 6. the maximum capacitive load offered were tested at nominal input voltage and full load ; 7. unless otherwise specified, parameters in this datasheet were measured under the conditions of ta=25 , humidity<75% with nominal input voltage and rated output load; 8. all index testing methods in this datasheet are based on our company s corporate standards; 9. the performance parameters of the product models listed in this manual are as above, but some parameters of non-standard model products may exceed the requirements mentioned above. please contact our technicians directly for specific information; 10. we can provide product customization service; 11. specifications are subject to change without prior notice. mornsun guangzhou science & technology co., ltd. address: no. 5, kehui st. 1, kehui development center, science ave., guangzhou science city, luogang district, guangzhou, p. r. china tel: 86-20-38601850-8801 fax: 86-20-38601272 e-mail: info@mornsun.cn control signal igbt driver
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