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 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% VSKM-S5-3R3U output voltage output current output power ripple and noise efficiency (Vdc) max (mA) max (W) typ (mVp-p) max (%) 1250 4.125 30 66 1000 5 30 72 550 5 30 74 3.3 VSKM-S5-5U 5 VSKM-S5-9U 9 5 30 76 15 12 333 420 5 30 76 24 230 5.5 30 78 N VSKM-S5-12U TI MODEL N U • • • • • • • ED FEATURES VSKM-S5-15U O VSKM-S5-24U VSKM-S5 - XXU Base Number Output Voltage D IS C PART NUMBER KEY cui.com For 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 conditions/description min voltage frequency current at 110 Vac at 230 Vac inrush current at 110 Vac at 230 Vac input fuse recommended external 1 A/250 V, slow-blow type max units 85 110 264 370 Vac Vdc 47 63 Hz temperature coefficient parameter conditions/description min voltage set accuracy 3.3 V model all other models hold-up time at 230 Vac switching frequency leakage current PROTECTIONS TI at 10~100% load conditions/description over voltage protection diode clamp short circuit protection shutdown and auto restart parameter isolation voltage safety approvals 10 20 A A 0.02 %/°C typ conditions/description min for 1 minute max units ±0.5 % ±1 % ±3 ±2 % % 50 ms 100 kHz typ typ 4,000 0.3 mA max units 150 °C max units Vac UL60601 Class II IS C safety class min O SAFETY & COMPLIANCE mA mA N parameter over temperature protection N line regulation load regulation 110 70 U OUTPUT typ ED parameter 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 EFT/burst surge IEC/EN61000-4-4 Class B, ±2 kV IEC/EN61000-4-4 Class B, ±4 kV (external circuit required, see figure 2) IEC/EN61000-4-5 Class B, ±1 kV / ±2 kV IEC/EN61000-4-5 Class B, ±2 kV / ±4 kV (external circuit required, see figure 2) 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 25°C, max. load RoHS 2011/65/EU D conducted immunity 300,000 cui.com hours For more information, please visit the product page. CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY date 01/08/2014 │ page 3 of 6 ENVIRONMENTAL parameter conditions/description min max units operating temperature see derating curves -25 70 °C -40 105 °C ED storage temperature case temperature humidity non-condensing DERATING CURVES load vs. input voltage (Vac) 95 °C 95 % load vs. input voltage (Vdc) TI N U load vs. ambient temperature typ EFFICIENCY CURVES N 90 80 O 75 70 VSKM-S5-5U @ 115 Vac VSKM-S5-5U @ 230 Vac VSKM-S5-12U @ 115 Vac 65 VSKM-S5-12U @ 230 Vac 60 VSKM-S5-24U @ 115 Vac IS C Efficiency (%) 85 55 VSK-S5-24UA @ 230 Vac 50 20 30 40 50 60 70 80 90 100 Load (%) D 10 cui.com For more information, please visit the product page. CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY date 01/08/2014 │ page 4 of 6 MECHANICAL conditions/description 50.8 x 25.4 x 15.16 (2.00 x 1.00 x 0.597 inch) min material UL94V-0 typ max units mm ED parameter dimensions weight 35 MECHANICAL DRAWING D IS C O N TI N U units: mm [inch] tolerance: ±0.50 [±0.020] pin section tolerance: ±0.10 [±0.004] g cui.com PIN CONNECTIONS PIN FUNCTION 1 AC(L) 2 AC(N) 3 +Vo 4 -Vo For more information, please visit the product page. CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY date 01/08/2014 │ page 5 of 6 TYPICAL APPLICATION CIRCUIT Table 1 L L C1 +Vo C2 Recommended External Circuit Components + Figure 1 MODEL RL MOV -Vo N C21 (μF) FUSE NTC VSKM-S5-3R3U 1 47 1 A/250 V 5D-9 VSKM-S5-5U 1 47 1 A/250 V 5D-9 VSKM-S5-9U 1 33 1 A/250 V 5D-9 VSKM-S5-12U 1 33 1 A/250 V 5D-9 VSKM-S5-15U 1 33 1 A/250 V 5D-9 VSK-S5-24UA 1 10 1 A/250 V 5D-9 U N C11 (μF) 1. Output filtering capacitor C1 is a ceramic capacitor that is used to filter high frequency noise. C2 is an electrolytic capacitor. It is recommended to use high frequency and low impedance electrolytic capacitors. For capacitance and current of capacitor please refer to the manufacturer’s datasheet. Voltage derating of capacitor should be 80% or above. N Note: ED FUSE NTC L FUSE TI EMC RECOMMENDED CIRCUIT Recommended External Circuit Components R2 L CY1 M OV LCM CX CY2 R1 CY3 R3 ACDC CY4 N Figure 2 OUT PUT N O N Table 2 FUSE 1 A/250 V MOV 561KD14 R1, R2 2Ω/3W winding resistor R3 1MΩ/2W CY1, CY2, CY3, CY4 1000pF/400Vac CX 0.22μF/275Vac LCM 10mH-30mH CY Y capacitor, 102K/400V IS C TEST CONFIGURATION L FUSE +Vo D Figure 3 N Note: Connect Oscillograph Probe Copper sheet C1 C2 12.7mm 25.4mm 25.4mm Table 3 Capacitors C1 1μF ceramic capacitor C2 10μF electrolytic capacitor Load -Vo 1. All specifications measured at Ta=25°C, humidity <75%, 220 Vac input voltage, and rated output load, unless otherwise specified. cui.com For more information, please visit the product page. CUI Inc │ SERIES: VSKM-S5│ DESCRIPTION: MEDICAL AC-DC POWER SUPPLY date 01/08/2014 │ page 6 of 6 REVISION HISTORY description date 01/16/2012 1.0 initial release 1.01 added leakage current to Safety & Compliance 1.02 picture updated 1.03 updated input data 1.04 updated spec ED rev. 06/20/2012 09/06/2012 11/13/2012 01/08/2014 D IS C O N TI N U 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.