rev. page date rev. page date description: dc-dc converter 1 of 3 09/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2382 part number: vbsd1-dip series features isolated 1 w output temperature range: -40c~+85c unregulated high efficiency to 80% single voltage output small footprint dip package style industry standard pinout ul94-v0 package no heatsink required 1k vdc isolation power density 0.85 w/cm3 no external component required low cost description designed to convert fixed volt- ages into an isolated voltage, the vbsd1-dip series is well suited for providing board-mount local supplies in a wide range of appli- cations, including mixed analog/digital circuits, test & measurement equip., process/machine controls, data- com/telecom fields, etc... the semi-regulated output can be followed by 3-terminal regulators to provide output protection, in addition to output regulation. model input voltage output voltage output current efficiency nominal range (v dc) max. min. typ. ul60950-1 (v dc) (v dc) (ma) (ma) (%) vbsd1-s3.3-s3.3-dip 3.3 3.00~3.60 3.3 303 31 72 no vbsd1-s3.3-s5-dip 3.3 3.00~3.60 5 200 20 74 no vbsd1-s5-s3.3-dip 5 4.5~5.5 3.3 303 30 72 no vbsd1-s5-s5-dip 5 4.5~5.5 5 200 20 70 yes vbsd1-s5-s9-dip 5 4.5~5.5 9 111 12 78 yes vbsd1-s5-s12-dip 5 4.5~5.5 12 83 9 78 yes vbsd1-s5-s15-dip 5 4.5~5.5 15 67 7 80 yes vbsd1-s12-s3.3-dip 12 10.8~13.2 3.3 303 30 72 no vbsd1-s12-s5-dip 12 10.8~13.2 5 200 20 71 yes vbsd1-s12-s9-dip 12 10.8~13.2 9 111 12 76 yes vbsd1-s12-s12-dip 12 10.8~13.2 12 83 9 78 yes vbsd1-s12-s15-dip 12 10.8~13.2 15 67 7 79 yes vbsd1-s15-s3.3-dip 15 13.5~16.5 3.3 303 31 73 no vbsd1-s15-s5-dip 15 13.5~16.5 5 200 20 74 no vbsd1-s15-s9-dip 15 13.5~16.5 9 111 12 75 no vbsd1-s15-s12-dip 15 13.5~16.5 12 83 9 79 no vbsd1-s15-s15-dip 15 13.5~16.5 15 67 7 75 no vbsd1-s24-s3.3-dip 24 21.6~26.4 3.3 303 31 76 no vbsd1-s24-s5-dip 24 21.6~26.4 5 200 20 73 yes vbsd1-s24-s9-dip 24 21.6~26.4 9 111 12 78 yes vbsd1-s24-s12-dip 24 21.6~26.4 12 83 9 78 yes vbsd1-s24-s15-dip 24 21.6~26.4 15 67 7 79 yes vbsd1-s24-s24-dip 24 21.6~26.4 24 42 4 78 no
rev. page date description: dc-dc converter 2 of 3 09/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2382 part number: vbsd1-dip series side view bottom view note: all pins on a 2.54mm(0.1) pitch; all pin diameters are 0.50 mm(0.02); tolerances: unit: mm(inch) 0.25mm(0.01) 1 4 7 5 pin 1 4 5 7 gnd vin +vo 0v 12.70 1 75 4 2.54 14 7 5 +0.15 0 (0.1) (0.5) dimensions (mm) output parameter conditions/description min nom max units output power 0.1 1 w voltage accuracy refer to tolerance envelope graph ripple @ 20 mhz bandwidth 50 75 mvpp noise @ 20 mhz bandwidth 75 150 mvpp line regulation for vin change of 1% (3.3 v output) 1.5 % for vin change of 1% (other v output) 1.2 % load regulation 10% to 100% full load 3.3 v 15 20 % 5 v 12.8 15 % 12 v 8.3 15 % 9 v 6.8 15 % 15 v 6.3 15 % temperature coefficient refer to recommended circuit 0.03 %/c switching frequency 100% load, nominal input 100 khz note: 1. all specifications measured at ta-25c, humidity <75%, normal input voltage and rated output load unless otherwise spe cified. general specifications parameter conditions/description output short circuit protection 1 second temperature rise at full load 15c typ., 25c max. cooling free air convection operating temp. range -40c ~ +85c storage temp. range -55c ~ +125c storage humidity range 95% case material plastic (ul94-v0) mtbf >3,500,000 hours isolation specifications parameter conditions/description min nom max units isolation voltage flash tested for 1 minute 1000 v dc isolation resistance test at 500 v dc 1000 m
rev. page date description: dc-dc converter 3 of 3 09/2008 20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2382 part number: vbsd1-dip series application notes: - requirement on output load to ensure this module can operate efficiently and reliably, the minimum output load should not be less than 10% of the full load. also, this product should never be operated under no load conditions. if the actual output power is too small, please connect a resistor with proper resistance at the output end in parallel to increase the load. - overload protection under normal operating conditions, the output circuit of these products has no protection against overload. the simplest method is to connect a self-recovery fuse in series at the input end or to add a circuit breaker to the circuit. - recommended circuit 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, see (figure 1). to ensure this module can operate efficiently and reliably, a minimum load is specified for this kind of dc-dc converter in addition to a maximum load (namely full load). during operation, make sure the specified range of input voltage is not exceeded, the minimum output load is not less than 10% of the full load, and that this 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, or use our companys products with a lower rated output power. it is not recommended to connect any external capacitor in the application field with less than a 0.5 watt output. v in external capacitor v out external capacitor 3.3/5vdc 4.7uf 3.3vdc 10uf 12vdc 2.2uf 5vdc 10uf 24vdc 1uf 9vdc 4.7uf --- --- 12vdc 2.2uf -- -- 15vdc 1uf external capacitor table l +vin -vin +vout -vout dc cin l dc cout - output voltage regulation and over-voltage protection circuit the simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (figure 2). vin nd vin nd re +vout 0v 0v +vout dc dc dc dc re figure 1 figure 2 ambient temperature c ( ) typical characteristics
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