cui .com date 11/05/2012 page 1 of 5 series: vhs1-sip description: dc-dc converter date 11/05/2012 page 1 of 5 features ? 1 w isolated output ? industry standard 7 pin sip package ? single unregulated outputs ? 6,000 v isolation ? short circuit protection ? ul safety approvals ? wide temperature (-40~85c) ? efficiency up to 74% rohs part number key model input voltage output voltage output current output power ripple and noise 1 ef ciency typ (vdc) range (vdc) (vdc) min (ma) max (ma) max (w) max (mvp-p) typ (%) vhs1-s5-s5-sip 5 4.5~5.5 5 20 200 1 200 70 vhs1-s5-s9-sip 5 4.5~5.5 9 12 111 1 200 72 vhs1-s5-s12-sip 5 4.5~5.5 12 9 84 1 200 73 vhs1-s5-s15-sip 5 4.5~5.5 15 7 67 1 200 74 vhs1-s12-s5-sip 12 10.8~13.2 5 20 200 1 200 70 vhs1-s12-s9-sip 12 10.8~13.2 9 12 111 1 200 71 vhs1-s12-s12-sip 12 10.8~13.2 12 9 84 1 200 72 vhs1-s12-s15-sip 12 10.8~13.2 15 7 67 1 200 74 notes: 1. ripple and noise are measured at 20 mhz bw vhs1 - s xx - s xx -sip input voltage output voltage base number packaging style
cui .com cui inc series: vhs1-sip description: dc-dc converter date 11/05/2012 page 2 of 5 input parameter conditions/description min typ max units operating input voltage 5 v model 12 v model 4.5 10.8 5 12 5.5 13.2 vdc vdc output parameter conditions/description min typ max units line regulation for vin change of 1% 1.2 % load regulation measured from 10% load to full load 5 v model 9 v model 12 v model 15 v model 12.8 8.3 6.8 6.3 15 15 15 15 % % % % voltage accuracy see derating curves switching frequency 100% load, input voltage range 5 v model 12 v model 250 50 khz khz temperature coef cient 0.03 %/c protections parameter conditions/description min typ max units short circuit protection 5 v models all other models, continuous 1s safety and compliance parameter conditions/description min typ max units isolation voltage for 1 minute at 1 ma max. 6,000 vdc isolation resistance at 500 vdc 1,000 m safety approvals ul 60950-1 (e222736) mtbf 3,500,000 hours rohs compliant yes environmental parameter conditions/description min typ max units operating temperature -40 85 c storage temperature -55 125 c storage humidity non-condensing 95 % temperature rise at full load 15 25 c lead temperature 1.5 mm from case for 10 seconds 300 c
cui .com cui inc series: vhs1-sip description: dc-dc converter date 11/05/2012 page 3 of 5 mechanical parameter conditions/description min typ max units dimensions 0.768 x 0.396 x 0.492 (19.50 x 9.90 x 12.50 mm) inch case material plastic (ul94-v0) weight 4.2 g 19.50 [0.768] 9.80 [0.386] 12.50 [0.492] 4.10 [0.161] 7.62 [0.300] 2.54 [0.100] 0.50 [0.020] 2.00 [0.079] 3.20 [0.126] 0.50 [0.020] 0.30 [0.012] 1 2 6 7 5 (side view) (bottom view) 1 27 5 mechanical drawing pin connections pin function 1 +vin 2 gnd 50 v 6 no pin 7+vo units: mm [inches] tolerance: 0.25 [0.010] pin section tolerance: 0.10 mm [0.004] +10% +5% output current (%) nominal voltage 50% output voltate (%) 10% 100% +2.5% -2.5% -7.5% 100 80 60 40 20 ambient temperature (c) load (%) -40 -20 0 20 40 60 85 105 120 derating curves 1. output power vs. ambient temperature 2. output voltage vs. output current
cui .com cui inc series: vhs1-sip description: dc-dc converter date 11/05/2012 page 4 of 5 1. requirement on output load in order to ensure the product operates ef ciently and reliably, make sure the speci ed range of input voltage is not exceeded and the minimum output load is not less than 10% load. if the actual load is less than the speci ed minimum load, the output ripple may increase sharply while its ef ciency and reliability will reduce greatly. if the actual output power is very small, please add an appropriate resistor as extra loading. 2. overload protection under normal operating conditions, the output circuit of these products has no protection against over-current and short-circui ts. the simplest method is to connect a self-recovery fuse in series at the input end or add a circuit breaker to the circuit. 3. filtering in some circuits which are sensitive to noise and ripple, a ltering capacitor may be added to the dc/dc output end and input end to reduce the noise and ripple. however, the capacitance of the output lter 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 lter capacitor sees the external capacitor table. to get an extremely low ripple, an ?lc? ltering network may be connected to the input and output ends of the dc/dc converter, which may produce a more signi cant ltering effect. it should also be noted that the inductance and the frequency of the ?lc? ltering network should be staggered with the dc/dc frequency to avoid mutual interference (figure 1). 4. 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). 5. external capacitor table it is not recommended to connect any external capacitor in the application eld with less than 0.5 w output. l vin gnd +vo 0v dc cin l dc cout vin (vdc) cout ( f) vout (vdc) cout ( f) 5 4.7 5 10 12 2.2 9 4.7 -- -- 12 2.2 -- -- 15 1 table 1 figure 1 application notes figure 2 vin gnd 0v +vo dc dc reg reg
cui inc series: vhs1-sip description: dc-dc converter date 11/05/2012 page 5 of 5 cui offers a two (2) year limited warranty. complete warranty information is listed on our website. cui reserves the right to make changes to the product at any time without notice. information provided by cui is believed to b e accurate and reliable. however, no responsibility is assumed by cui for its use, nor for any infringements of patents or other rights of third parties which may result from its use . cui products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. a critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. headquarters 20050 sw 112th ave. tualatin, or 97062 800.275.4899 fax 503.612.2383 cui .com techsupport@cui.com rev. description date 1.0 initial release 01/03/2011 1.01 new template applied 04/12/2012 1.02 v-in nity branding removed 09/05/2012 1.03 added 9 and 15 v load regulation data 11/05/2012 the revision history provided is for informational purposes only and is believed to be accurate. revision history
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