VMS-20-5

date page 10/26/2011 1 of 4 SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • up to 21.6 W continuous power compact size universal input (90 ~ 264 Vac) single output from 3.3 to 24 V no load power < 0.3W over voltage and short circuit protections full medical safety approvals efficiency up to 85% RoHS MODEL VMS-20-3.3 VMS-20-5 VMS-20-9 VMS-20-12 VMS-20-15 VMS-20-24 Notes: output voltage (Vdc) output current max (A) output power max (W) ripple and noise1 max (mVp-p) efficiency typ (%) 3.3 5 9 12 15 24 4.0 4.0 2.3 1.7 1.4 0.9 13.2 20.0 20.7 20.4 21.0 21.6 50 50 90 100 100 100 75 80 81 83 84 85 1. Measured at 20MHz, with 0.1uF ceramic and 10uF electrolytic capacitors PART NUMBER KEY VMS-20 - XX Base Number Output Voltage cui.com CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY date 10/26/2011 page 2 of 4 INPUT parameter voltage frequency input current inrush current at 230 Vac, cold start at 25 °C conditions/description min 90 47 typ max 264 63 0.5 40 units Vac Hz A A OUTPUT parameter line regulation load regulation hold-up time switching frequency conditions/description low line to high line, full load 10% to 100% full load 115 Vac 10 100 min typ max ±0.5 ±1 units % % ms KHz PROTECTIONS parameter over voltage protection short circuit protection continuous conditions/description min 115 typ max 140 units % SAFETY & COMPLIANCE parameter isolation voltage safety approvals EMI/EMC leakage current RoHS compliant MTBF yes MIL-HDBK-217F, GB 400,000 hrs conditions/description input to output UL60601-1, IEC60601-1, EN60601-1 EN60601-1/EN61204-3/EN55022/CISPR Class B, EN55024 0.1 mA min 5,656 typ max units Vdc ENVIRONMENTAL parameter operating temperature storage temperature operating humidity non-condensing conditions/description see derating curve min -25 -40 typ max 70 85 93 units °C °C % MECHANICAL parameter dimensions weight cooling method free air convection (see derating curves below) conditions/description 2.38 x 1.60 x 0.80 (60.5 x 40.6 x 20.4 mm) 50 min typ max units inch g cui.com CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY date 10/26/2011 page 3 of 4 DERATING CURVES output power vs. ambient temperature 100 Load (%) 80 60 40 20 (Natural Convection) -30 -20 0 10 20 30 40 50 60 70 Ambient Temperature (°C) MECHANICAL DRAWING units: mm[in] TOLERANCE: mm: X.X = ±0.5 ; X.XX = ±0.25 inch: X.XX = ±0.02 ; X.XXX = ±0.01 60.5 2.38 54.00 2.126 -Vo ACN +Vo 10.32 0.406 3.06 0.120 ACL 2.82 0.111 20.32 0.800 40.6 1.60 30.32 1.194 17.00 0.669 20.40 0.803 MAX 2.00 0.079 MAX 1.80 0.071 1.00 0.039 3.40 0.134 3.80 0.150 cui.com CUI Inc │ SERIES: VMS-20 │ DESCRIPTION: AC-DC POWER SUPPLY date 10/26/2011 page 4 of 4 REVISION HISTORY rev. 1.0 description initial release date 10/26/2011 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 CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. Fax 503.612.2383 cui.com techsupport@cui.com 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.