For more information, please visit the product page. date 03/18/2013 page 1 of 4 SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER FEATURES • • • • • • • up to 50 W isolated output industry standard quarter brick package 4:1 input range (9~36 V, 18~75 V) single output from 3.3~48 V 1,500 V isolation tantalum free capacitors used over current, over temperature, over voltage, and short circuit protections • remote on/off • very high efficiency up to 92% RoHS MODEL input voltage output voltage output current output power ripple and noise1 efficiency range (Vdc) (Vdc) max (A) max (W) max (mVp-p) typ (%) VQE50W-Q24-S3R3 9 ~ 36 3.3 10 33 100 90.5 VQE50W-Q24-S5 9 ~ 36 5 10 50 100 91.5 VQE50W-Q24-S12 9 ~ 36 12 4.16 50 150 91.5 VQE50W-Q24-S15 9 ~ 36 15 3.33 50 150 91.5 VQE50W-Q24-S24 9 ~ 36 24 2.08 50 240 90 VQE50W-Q24-S48 9 ~ 36 48 1.04 50 480 88.5 VQE50W-Q48-S3R3 18 ~ 75 3.3 10 33 100 90 VQE50W-Q48-S5 18 ~ 75 5 10 50 100 92 VQE50W-Q48-S12 18 ~ 75 12 4.16 50 150 92 VQE50W-Q48-S15 18 ~ 75 15 3.33 50 150 91 VQE50W-Q48-S24 18 ~ 75 24 2.08 50 240 90.5 VQE50W-Q48-S48 18 ~ 75 48 1.04 50 480 89 Notes: 1. ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output PART NUMBER KEY VQE50W - QXX - SXX X Base Number Input Voltage Output Voltage cui.com Remote On/Off Control "blank" = positive logic N = negative logic For more information, please visit the product page. CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER date 03/18/2013 │ page 2 of 4 INPUT parameter conditions/description operating input voltage 24 V input 48 V input surge voltage 100 ms max. under voltage lockout power up power down min typ max units 9 18 24 48 36 75 Vdc Vdc 500 100 Vdc Vdc 24 V input 48 V input 24 48 24 48 V V V V input input input input 8.8 17 8 16 Vdc Vdc Vdc Vdc positive logic remote on/off1 filter Notes: PI type 1. logic compatibility, open collector ref to -input Module ON, 3.5 ~ 75 Vdc or open circuit Module OFF, <1.2 Vdc 2. negative logic remote on/off available Module ON, <1.2 Vdc current limit, 110~165% nominal output Module OFF, 3.5 ~ 75 Vdc or open circuit OUTPUT parameter conditions/description max units line regulation measured from high line to low line min typ ±0.2 % load regulation measured from full load to zero load ±0.2 % ±1.5 % 500 µs voltage accuracy transient response 25% step load change external trim adj. range switching frequency ±10 100% load, input voltage range temperature coefficient % 300 kHz ±0.03 %/°C PROTECTIONS parameter conditions/description min max units over voltage protection %Vo 115 140 % short circuit protection continuous current limit % nominal output current 110 165 % thermal shutdown case temp. typ 110 °C SAFETY AND COMPLIANCE parameter conditions/description isolation voltage input to output input to case output to case min isolation resistance UL 60950-1, CE RoHS compliant yes MTBF MIL-STD-217F, GB, 25°C, full load max units 1,500 1,500 1,500 Vdc Vdc Vdc 10 MΩ isolation capacitance safety approvals typ 1,000 pF TBD hours ENVIRONMENTAL parameter conditions/description min case operating temperature storage temperature humidity non-condensing cui.com max units -40 typ 105 °C -55 125 °C 95 % For more information, please visit the product page. CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER date 03/18/2013 │ page 3 of 4 DERATING CURVE Load (%) 100 80 60 40 20 -40 -20 0 20 40 60 80 105 120 Ambient Temperature (°C) MECHANICAL parameter conditions/description min dimensions 1.45 x 2.28 x 0.50 (36.8 x 57.9 x 12.7 mm) case material aluminum typ max units inch weight 63 g MECHANICAL DRAWING units: inches[mm] tolerance: inches: X.XX = ±0.02 X.XXX = ±0.010 mm: X.XX = ±0.5 X.XXX = ±0.25 Mounting Inserts M3x0.5 Through 4pl. PIN CONNECTIONS 4 5 6 7 8 3 2 1 min. Bottom View DIA 6PLACES Note: DIA 2PLACES All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted. cui.com PIN FUNCTION 1 +Vin 2 On/Off 3 -Vin 4 -Vo 5 -S 6 TRIM 7 +S 8 +Vo For more information, please visit the product page. CUI Inc │ SERIES: VQE50W │ DESCRIPTION: DC-DC CONVERTER date 03/18/2013 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 08/22/2012 1.01 added negative logic option to part number key, updated derating curve 03/04/2013 1.02 updated spec 03/18/2013 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] 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 be 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.