For more information, please visit the product page. date 01/08/2014 page 1 of 6 SERIES: VSKM-S5 DESCRIPTION: MEDICAL AC-DC POWER SUPPLY FEATURES up to 5.5 W continuous output compact board mount design universal input (85~264 Vac/110~370 Vdc) single regulated output from 3.3~24 V over voltage, over temperature, and short circuit protections full medical approvals efficiency up to 78% output output output ripple efficiency MODEL voltage current power and noise max max typ max (Vdc) (mA) (W) (mVp-p) (%) VSKM-S5-3R3U 3.3 1250 4.125 30 66 VSKM-S5-5U 5 1000 5 30 72 VSKM-S5-9U 9 550 5 30 74 VSKM-S5-12U 12 420 5 30 76 VSKM-S5-15U 15 333 5 30 76 VSKM-S5-24U 24 230 5.5 30 78 PART NUMBER KEY VSKM-S5 - XXU Base Number Output Voltage cui.com DISCONTINUEDFor more information, please visit the product page. CUI Inc SERIES: VSKM-S5 DESCRIPTION: MEDICAL AC-DC POWER SUPPLY date 01/08/2014 page 2 of 6 INPUT parameter conditions/description min typ max units 85 264 Vac voltage 110 370 Vdc frequency 47 63 Hz at 110 Vac 110 mA current at 230 Vac 70 mA at 110 Vac 10 A inrush current at 230 Vac 20 A input fuse recommended external 1 A/250 V, slow-blow type temperature coefficient 0.02 %/C OUTPUT parameter conditions/description min typ max units line regulation 0.5 % load regulation at 10~100% load 1 % 3.3 V model 3 % voltage set accuracy all other models 2 % hold-up time at 230 Vac 50 ms switching frequency 100 kHz leakage current 0.3 mA PROTECTIONS parameter conditions/description min typ max units over voltage protection diode clamp short circuit protection shutdown and auto restart over temperature protection 150 C SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage for 1 minute 4,000 Vac safety approvals UL60601 safety class Class II conducted emissions CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2) radiated emissions CISPR11/EN55011 Class A, Class B (external circuit required, see figure 2) ESD IEC/EN61000-4-2 Class B, contact 6 kV / air 8 kV radiated immunity IEC/EN61000-4-3 Class A, 10V/m IEC/EN61000-4-4 Class B, 2 kV EFT/burst IEC/EN61000-4-4 Class B, 4 kV (external circuit required, see figure 2) IEC/EN61000-4-5 Class B, 1 kV / 2 kV surge IEC/EN61000-4-5 Class B, 2 kV / 4 kV (external circuit required, see figure 2) conducted immunity IEC/EN61000-4-6 Class A, 10 Vr.m.s PFM IEC/EN61000-4-8 Class A, 10 A/m voltage dips & interruptions IEC/EN61000-4-11 Class B, 0%-70% MTBF at 25C, max. load 300,000 hours RoHS 2011/65/EU cui.com DISCONTINUED