VHB350 CUI | Alldatasheet

Document overview

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Technical content

SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER cui.com date 03/14/2013 page 1 of 4

FEATURES

  • up to 350 W isolated output
  • industry standard half brick package
  • 2:1 input range (18~36 V, 36~75 V)
  • single output from 3.3~28 V
  • 1,500 V isolation
  • over current, over temperature, over voltage, and short circuit protections
  • remote on/off
  • efficiency up to 92.5% RoHS PART NUMBER KEY MODEL input voltage output voltage output current output power ripple and noise1 efficiency range (Vdc) (Vdc) max (A) max (W) max (mVp-p) typ (%) VHB350-D24-S3R3 18 ~ 36 3.3 70 231 100 88 VHB350-D24-S5 18 ~ 36 5 70 350 100 89.5 VHB350-D24-S12 18 ~ 36 12 29.2 350 120 91.5 VHB350-D24-S24 18 ~ 36 24 14.6 350 280 90 VHB350-D24-S28 18 ~ 36 28 12.5 350 280 91 VHB350-D48-S3R3 36 ~ 75 3.3 70 231 100 89 VHB350-D48-S5 36 ~ 75 5 70 350 100 91 VHB350-D48-S12 36 ~ 75 12 29.2 350 120 92.5 VHB350-D48-S24 36 ~ 75 24 14.6 350 280 91.5 VHB350-D48-S28 36 ~ 75 28 12.5 350 280 92.5 Notes: 1. Ripple and noise are measured at 20 MHz BW with 10µF tantalum capacitor and 1µF ceramic capacitor across output VHB350 - DXX - SXX X Input Voltage Output VoltageBase Number Remote On/Off Control "Blank" = Positive Logic N = Negative Logic For more information, please visit the product page.

cui.com CUI Inc │ SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER date 03/14/2013 │ page 2 of 4 INPUT parameter conditions/description min typ max units operating input voltage 18 Vdc Vdc surge voltage1 24 V input

48 V input

50 Vdc

positive logic remote on/off see note 2 filter PI type Notes: 1. 100 ms max 2. logic compatibility, open collector ref to -input Module ON, >3.5 to 75 Vdc or open circuit Module OFF, <1.2 Vdc OUTPUT parameter conditions/description min typ max units line regulation measured from high line to low line ±0.2 % load regulation measured from full load to zero load ±0.2 % voltage accuracy ±1.5 % transient response 25% step load change 500 µs adjustability3 ±10 % switching frequency 3.3 and 5 V models all other models 300 330 kHz kHz temperature coefficient ±0.03 %/°C Notes: 3. 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 typ max units over voltage protection %Vo 115 140 % short circuit protection continuous current limit 105 140 % thermal shutdown case temp. 110 °C SAFETY AND COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output input to case output to case 1,500 1,500 1,500 Vdc Vdc Vdc isolation resistance 10 MΩ isolation capacitance 1,000 pF safety approvals UL60950-1, EN60950-1 RoHS compliant yes For more information, please visit the product page.

cui.com CUI Inc │ SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER date 03/14/2013 │ page 3 of 4 ENVIRONMENTAL parameter conditions/description min typ max units case operating temperature -40 100 °C storage temperature -55 105 °C humidity non-condensing 95 % MECHANICAL parameter conditions/description min typ max units case material aluminum baseplate with plastic weight 114 g MECHANICAL DRAWING 0.0401.02 (5 PLCS) 0.52013.20 (TYP) MIN4.60 0.181 2.03 0.080 (4 PLCS) BOTTOM VIEW 35.56 1.400 1.89848.20 2.40261.00 2.280 0.098 57.90 2.50 0.60015.2450.80 2.000 PIN CONNECTIONS PIN FUNCTION 1 +Vin

2 On/Off

3 CASE

7 TRIM

All dimensions in mm(inches): Note: All specifications measured at 25°C, nominal input voltage, and full load unless otherwise noted. For more information, please visit the product page.

CUI Inc │ SERIES: VHB350 │ DESCRIPTION: DC-DC CONVERTER date 03/14/2013 │ page 4 of 4 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. 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 06/01/2011 1.01 add remote on/off control to the part number key 11/23/2011

1.02 V-Infinity branding removed 08/30/2012

1.03 updated spec 03/14/2013 The revision history provided is for informational purposes only and is believed to be accurate.

REVISION HISTORY

For more information, please visit the product page.