rev. page date rev. page date description: dc-dc converter 1 of 3 07/2010 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: viblt1-smt features smd package temperature range: -40c~+85c 1k vdc isolation internal smd construction short circuit protection industry standard pinout no heatsink required no external component required rohs compliant description designed for applications where a group of polar power supplies are isolated from the input power sup- ply in a distributed power supply system on a circuit board. model input voltage output output current number nominal range voltage max. min. efficiency (typ) viblt1-s5-s5-smt 5 vdc 4.75~5.25 vdc 5 vdc 150 ma 15 ma 69% viblt1-s5-s9-smt 5 vdc 4.75~5.25 vdc 9 vdc 111 ma 12 ma 70% viblt1-s5-s12-smt 5 vdc 4.75~5.25 vdc 12 vdc 83 ma 9 ma 71% viblt1-s5-s15-smt 5 vdc 4.75~5.25 vdc 15 vdc 67 ma 7 ma 72% viblt1-s12-s5-smt 12 vdc 11.4~12.6 vdc 5 vdc 150 ma 15 ma 69% viblt1-s12-s9-smt 12 vdc 11.4~12.6 vdc 9 vdc 111 ma 12 ma 70% VIBLT1-S12-S12-SMT 12 vdc 11.4~12.6 vdc 12 vdc 83 ma 9 ma 71% viblt1-s12-s15-smt 12 vdc 11.4~12.6 vdc 15 vdc 67 ma 7 ma 72% viblt1-s15-s5-smt 15 vdc 12.8~15.2 vdc 5 vdc 150 ma 15 ma 69% viblt1-s15-s9-smt 15 vdc 12.8~15.2 vdc 9 vdc 111 ma 12 ma 70% viblt1-s15-s12-smt 15 vdc 12.8~15.2 vdc 12 vdc 83 ma 9 ma 71% viblt1-s15-s15-smt 15 vdc 12.8~15.2 vdc 15 vdc 67 ma 7 ma 72% viblt1-s24-s5-smt 24 vdc 22.8~25.2 vdc 5 vdc 150 ma 15 ma 69% viblt1-s24-s9-smt 24 vdc 22.8~25.2 vdc 9 vdc 111 ma 12 ma 70% viblt1-s24-s12-smt 24 vdc 22.8~25.2 vdc 12 vdc 83 ma 9 ma 71% viblt1-s24-s15-smt 24 vdc 22.8~25.2 vdc 15 vdc 67 ma 7 ma 72% output specifications item test conditions min. typ. max. units output power 0.1 1 w line regulation for vin change of 5% 0.3 % load regulation 10% to 100% full load 1 % output voltage accuracy @ full load 3 % temperature drift @ 100% load 0.03 %/c output ripple 20 mhz bandwidth 10 20 mvp-p output noise 20 mhz bandwidth 50 100 mvp-p switching frequency full load, nominal input 100 khz
rev. page date description: dc-dc converter 2 of 3 07/2010 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: viblt1-smt general specifications short circuit protection continuous temperature rise at full load 260c max, 1.5mm from case for 10 seconds cooling free air convection operating temperature range -40c to +85c storage temperature range -55c to +125c lead temperature range +15c to +25c storage humidity range <95% case material plastic (ul94-v0) mtbf >3,500,000 hrs. weight 2.8 g isolation specifications item test conditions min. typ. max units isolation voltage tested for 1 min. 1000 vdc insulation resistance test at 500 vdc 1000 m dimensions mm(inches) 5.75 [0.226] 17.78 [0.700] 9 10 13 12 5 3 12 8 6 6.00 [0.236] 2.54 [0.100] 15.24 [0.600] 17. 7 8[0.7 00] 12.70 [0.500] 0.60 [0.024] 7 14 note: unit: mm[inch] pin section tolerances: 0.10mm[ 0.004inch] general tolerances: 0.25mm[ 0.010inch] (side view) (top view) 12.22 [0.481] 0.25 [0.010] 1.30 [0.051] 5max a a note: 1. all specifications measured at ta=25c, humidity <75%, nominal input voltage and rated output load unless otherwise specifi ed. 1 2 6 7 vin nd 0v +vo 16.70 0.657 2.54 0.100 1.00 0.039 2.54 0.100 2.10 0.083 nc footprint details pin ncno connection others function 9 10 13 12 5 3 12 8 67 14 recommended footprint single output
rev. page date description: dc-dc converter 3 of 3 07/2010 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x www.v-infinity.com fax 503.612.2383 part number: viblt1-smt input filtering if you want to further decrease the input/output ripple, an lc filtering network may be connected to the input and output ends of the dc/dc converter as shown in figure 1. the inductance and frequency of the lc filtering network should be staggered with the dc/dc frequency to avoid mutual interference. however, the capacitance of the output filter capacitor must be proper. if the capacitance is too big, a startup problem might arise. for every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees. to ensure this module can operate efficiently and reliably during operation, the minimum output load is not less than 10% of the full load and the product should never be operated under no load. if the actual output power is very small, please connect a resistor with proper resistance at the output end in parallel to increase the load. its not recommended to connect any external capacitor in the application field with less than 0.5 watt output. typical characteristics recommended reflow soldering profile
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