For more information, please visit the product page. date 04/01/2013 page 1 of 4 SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER FEATURES • • • • • • up to 50 W isolated output industry standard half brick package 4:1 input range (9~36 V, 18~75 V) single output from 3.3~48 V 1,500 V isolation over current, over temperature, over voltage, and short circuit protections • remote on/off • efficiency up to 87% 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 (%) VHB50W-Q24-S3R3 9 ~ 36 3.3 10 33 100 77 VHB50W-Q24-S5 9 ~ 36 5 10 50 100 81 VHB50W-Q24-S12 9 ~ 36 12 4.16 50 150 83 VHB50W-Q24-S15 9 ~ 36 15 3.33 50 150 83 VHB50W-Q24-S24 9 ~ 36 24 2.08 50 240 83 VHB50W-Q24-S28 9 ~ 36 28 1.78 50 280 83 VHB50W-Q24-S48 9 ~ 36 48 1.04 50 480 83 VHB50W-Q48-S3R3 18 ~ 75 3.3 10 33 100 78 VHB50W-Q48-S5 18 ~ 75 5 10 50 100 82 VHB50W-Q48-S12 18 ~ 75 12 4.16 50 150 84 VHB50W-Q48-S15 18 ~ 75 15 3.33 50 150 84 VHB50W-Q48-S24 18 ~ 75 24 2.08 50 240 84 VHB50W-Q48-S28 18 ~ 75 28 1.78 50 280 84 VHB50W-Q48-S48 18 ~ 75 48 1.04 50 480 83 Notes: 1. ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output PART NUMBER KEY VHB50W - 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: VHB50W │ DESCRIPTION: DC-DC CONVERTER date 04/01/2013 │ page 2 of 4 INPUT parameter conditions/description operating input voltage 24 V input 48 V input under voltage lockout power up power down 24 48 24 48 V V V V min typ max units 9 18 24 48 36 75 Vdc Vdc 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 Vdc or open circuit Module OFF, <1.8 Vdc OUTPUT parameter conditions/description line regulation load regulation min typ max units measured from high line to low line ±0.2 % measured from full load to zero load ±0.2 % ±1 % 25% step load change 500 µs voltage accuracy transient response adjustability2 switching frequency 100% load, input voltage range temperature coefficient Notes: ±10 % 300 kHz ±0.03 %/°C 2. trim-up: connect a resistor between the trim pin and -Sense trim-down: connect a resistor between the trim pin and +Sense PROTECTIONS parameter conditions/description min over voltage protection %Vo 115 short circuit protection continuous current limit % nominal output current typ 110 thermal shutdown case temp. max units 140 % 160 100 % °C SAFETY AND COMPLIANCE parameter conditions/description isolation voltage input to output input to case output to case min typ 1,500 1,500 1,500 isolation resistance MΩ 1,000 safety approvals UL 60950-1 RoHS compliant yes cui.com units Vdc Vdc Vdc 10 isolation capacitance max pF For more information, please visit the product page. CUI Inc │ SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER date 04/01/2013 │ page 3 of 4 ENVIRONMENTAL parameter conditions/description min case operating temperature storage temperature humidity max units -40 typ 100 °C -55 105 °C 95 % max units non-condensing MECHANICAL parameter conditions/description dimensions 57.9 x 61.0 x 12.7 (2.28 x 2.40 x 0.5 inch) min case material aluminum typ mm weight 94 g MECHANICAL DRAWING units: mm [inches] tolerance: ±0.25mm [±0.01 inches] pin tolerance: ±0.5mm [±0.02 inches] 4.60 0.181 57.90 2.280 12.70 0.500 2.03 0.080 (2 PLCS) 50.80 2.000 (2 PLCS) 4 5 3 6 15.24 0.600 (2 PLCS) M3X0.5 THROUGH (4 PLCS) 7 2 8 1 9 61.00 2.402 35.56 1.400 (2 PLCS) 1.02 0.040 (7 PLCS) R1.50 0.059 (2 PLCS) 48.25 1.900 BOTTOM VIEW Note: All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted. cui.com PIN CONNECTIONS PIN FUNCTION 1 +Vin 2 On/Off 3 CASE 4 -Vin 5 -Vo 6 -S 7 TRIM 8 +S 9 +Vo For more information, please visit the product page. CUI Inc │ SERIES: VHB50W │ DESCRIPTION: DC-DC CONVERTER date 04/01/2013 │ page 4 of 4 REVISION HISTORY rev. description date 1.0 initial release 09/07/2006 1.01 new template applied 08/05/2011 1.02 add remote on/off control to the part number key 11/23/2011 1.03 features updated 12/20/2011 1.04 updated trim note, updated pin references 04/20/2012 1.05 updated spec 04/01/2013 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.