rev . 06-2007 1 / 3 v -infinity , llc, 20050 sw 1 12th a ve., t ualatin, or 97062 www .v-infinity .com 1-866-372-1258 viesd1-sip series dc-dc converter features isolated 1 w outputregulated high efficiency to 73% dual volt age output small footprintsip p ackage style industry st andard pinout ul94-v0 p ackage no heat sink required 3k vdc isolationt emperature range: -40c~+85c no external component requiredlow cost model input v olt age output output current package number nominal range v olt age max. min. efficiency s tyle viesd1-s5-d5-sip 5 vdc 4.75~5.25 vdc 5 vdc 100 ma 10 ma 69% sip viesd1-s5-d9-sip 5 vdc 4.75~5.25 vdc 9 vdc 56 ma 6 ma 70% sip viesd1-s5-d12-sip 5 vdc 4.75~5.25 vdc 12 vdc 42 ma 5 ma 72% sip viesd1-s5-d15-sip 5 vdc 4.75~5.25 vdc 15 vdc 33 ma 4 ma 72% sip viesd1-s12-d5-sip 12 vdc 1 1.4~12.6 vdc 5 vdc 100 ma 10 ma 70% sip viesd1-s12-d9-sip 12 vdc 1 1.4~12.6 vdc 9 vdc 56 ma 6 ma 72% sip viesd1-s12-d12-sip 12 vdc 1 1.4~12.6 vdc 12 vdc 42 ma 5 ma 73% sip viesd1-s12-d15-sip 12 vdc 1 1.4~12.6 vdc 15 vdc 33 ma 4 ma 73% sip viesd1-s24-d5-sip 24 vdc 22.8~25.2 vdc 5 vdc 100 ma 10 ma 72% sip viesd1-s24-d9-sip 24 vdc 22.8~25.2 vdc 9 vdc 56 ma 6 ma 72% sip viesd1-s24-d12-sip 24 vdc 22.8~25.2 vdc 12 vdc 42 ma 5 ma 73% sip viesd1-s24-d15-sip 24 vdc 22.8~25.2 vdc 15 vdc 33 ma 4 ma 73% sip description designed to convert fixed volt - ages into an isolated regulatedvolt age, the viesd1-sip series is well suited for providing board-mount local supplies in a wide range of applications, including mixed analog/digit al circuit s, test & measurement equip.,process/machine controls, dat a- com/telecom fields, etc... output s pecifications item t est conditions min. t yp. max. unit s output power 0.1 1 w line regulation for v in change of 1% 0.25 % load regulation 10% to 100% full load 1 % output volt age accuracy 100% full load 3 % t emperature drif t 100% full load 0.03 %/c output ripple & noise 20hz bandwid th 10 15 mvp-p switching frequency full load, nominal input 100 khz note: 1. all specifications measured at t a=25c, humidity <75%, nominal input volt age and rated output load unless otherwise specified.
rev . 06-2007 2 / 3 v -infinity , llc, 20050 sw 1 12th a ve., t ualatin, or 97062 www .v-infinity .com 1-866-372-1258 viesd1-sip series dc-dc converter general s pecifications short circuit protection 1 second t emperature rise at full load 25c max, 15c t yp. cooling free air convection operating temperature range -40c to +85c s torage temperature range -55c to +125c soldering temperature 300c (1.5mm from case for 10 sec.) s torage humidity range 95% case material plastic (ul94-v0) mtbf >3,500,000 hrs. isolation s pecifications item t est conditions min. t yp. max. unit s isolation v olt age t ested for 1 min. 3000 vdc insulation resist ance t est at 500 vdc 1000 m t ypical characteristics oper ating t emp .( ) c tem peratur e d erati ng g r aph si de v iew bo ttom vi ew 12 7 9 10 no te: a ll p i ns on a 2.54mm pitch; all pin diameters are 0.50mm; all dimensions in mm . outline dimensions & recommended layout pattern 12 7 9 10 vin gn d + -v o 0v vo pi n pin function
rev . 06-2007 3 / 3 v -infinity , llc, 20050 sw 1 12th a ve., t ualatin, or 97062 www .v-infinity .com 1-866-372-1258 viesd1-sip series dc-dc converter application notes: - filteringin some circuit s which are sensitive to noise and ripple, a filtering cap acitor may be added to the dc/dc output end and input end to reduce the noise and ripple. however , the cap acit ance of the output filter cap acitor must be appropriate. if the cap acit ance is too big, a st artup problem might arise. for every channel of output, providing that safe and reliable operation is ensured, the greatest cap acit ance of it s filter cap acitor is shown in the external cap acitor t able. t o get an extreme low ripple, an ?lc? filtering network may be connected to the input and output ends of the dc/dc converter , which may produce a more significant filtering ef fect. it should also be noted that the induct ance and the frequency of the ?lc? filtering network should be st aggered with the dc/dc frequency to avoid mutual interference (see figure 1). dc c l l dc c -vin +vin -vout +vout - requirement on output loadt o ensure this module can operate ef ficiently 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 volt age is not exceeded, the minimum output load is not less than 10% of thefull 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 resist ance at the output end in p arallel to increase the load, or use our comp any? s product s with a lower rated output power . - overload protectionunder normal operating conditions, the output circuit of these product s has no protection against over-current and short-circuit s. the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. external ca p acitor t able v in ex ternal cap a citor v out ex ternal cap a citor 5v dc 4 . 7uf 5v dc 4.7uf 12v dc 2 . 2uf 9v dc 2.2uf 24v dc 1 u f 12v dc 1uf -- -- 15v dc 0.47uf
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