VMS-20-15 CUI Inc

Additional Resources: Product Page 3D Model PCB Footprint date 07/22/2013 page 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 3.3~24 V no load power < 0.3W over voltage and short circuit protections full medical safety approvals efficiency up to 85% RoHS output output output ripple and efficiency MODEL 1 voltage current power noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VMS-20-3.3 3.3 4.0 13.2 50 75 VMS-20-5 5 4.0 20.0 50 80 VMS-20-9 9 2.3 20.7 90 81 VMS-20-12 12 1.7 20.4 100 83 VMS-20-15 15 1.4 21.0 100 84 VMS-20-24 24 0.9 21.6 100 85 Notes: 1. Measured at 20MHz, with 0.1uF ceramic and 10uF electrolytic capacitors PART NUMBER KEY VMS-20 - XX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model PCB Footprint CUI Inc SERIES: VMS-20 DESCRIPTION: AC-DC POWER SUPPLY date 07/22/2013 page 2 of 4 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz current 0.5 A inrush current at 230 Vac, cold start at 25 C 40 A OUTPUT parameter conditions/description min typ max units line regulation low line to high line, full load 0.5 % load regulation 10% to 100% full load 1 % hold-up time 115 Vac 10 ms switching frequency 100 KHz PROTECTIONS parameter conditions/description min typ max units over voltage protection 115 140 % short circuit protection continuous SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output 5,656 Vdc safety approvals UL 60601-1, IEC 60601-1, EN 60601-1 EMI/EMC EN 60601-1/EN 61204-3/EN 55022/CISPR Class B, EN 55024 leakage current 0.1 mA RoHS compliant yes MTBF MIL-HDBK-217F, GB 400,000 hrs ENVIRONMENTAL parameter conditions/description min typ max units operating temperature see derating curve -25 70 C storage temperature -40 85 C operating humidity non-condensing 93 % DERATING CURVE output power vs. ambient temperature 100 80 (Natural Convection) 60 40 20 -30 -20010203040506070 Ambient Temperature (C) cui.com Load (%)