VF-S320-28A

Additional Resources: Product Page | 3D Model date 06/02/2022 page 1 of 5 SERIES: VF-S320-XXA │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • up to 320 W continuous power w/ 22 CFM forced air 700 W peak power within 500 µs duty duration passive power factor correction power good signal 3,000 Vac isolation voltage over load, over voltage, over temperature, and short circuit protections UL/EN/IEC 62368 certified efficiency up to 83% RoHS MODEL output voltage VF-S320-05A* VF-S320-09A* output current output power1 ripple and noise 3,4 efficiency (Vdc) max (A) max w/ airflow2 (A) max (W) max w/ airflow2 (W) max (mVp-p) typ (%) 5 27.28 45 136 225 50 75% 9 16.37 29.1 147 262 90 83% VF-S320-12A 12 15 26.67 180 320 120 80% VF-S320-15A 15 12 21.33 180 320 150 83% VF-S320-18A 18 10 17.78 180 320 180 83% VF-S320-24A 24 7.5 13.33 180 320 240 83% VF-S320-28A 28 6.43 11.43 180 320 280 83% VF-S320-36A 36 5 8.89 180 320 360 83% VF-S320-48A 48 3.75 6.67 180 320 480 83% VF-S320-54A 54 3.33 5.93 180 320 540 83% Notes: 1. 2. 3. 4. 5. Maximum power must not exceed 180 W with convection cooling or 320 W for forced air. With external 22 CFM fan. 1% minimum load is required to maintain the ripple and regulation. Ripple and noise is measured from 10 KHz to 20 MHz at output terminals with a 0.1 μF ceramic capacitor and a 22 μF electrolytic capacitor in parallel. * Discontinued model. PART NUMBER KEY VF - S320 - XX A - X Base Number Output Voltage cui.com Input/Output connector: “blank” = Terminal block input / Terminal block output 1 = Molex input / Molex output 2 = Molex input / Terminal block output 3 = Terminal block input / Molex output Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S320-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 2 of 5 INPUT parameter conditions/description voltage 90-132/180-264 auto selectable min frequency current at 100~120 Vac, cold start at 200~240 Vac, cold start inrush current at 115 Vac, cold start at 230 Vac, cold start power factor Compliant to EN 61000-3-2 class A max units 90/180 typ 132/264 Vac 47 63 Hz 6 3 A A 35 70 A A max units OUTPUT parameter conditions/description line regulation low line to high line load regulation all other outputs min typ ±1 temperature coefficient ±1 % 0.25 mV/°C transient response Output voltage returns to within 1% in less than 2.5 ms for a 50% load change. Peak transient does not exceed 5%. start-up time At 120 Vac rise time hold-up time 0.2 At 120 Vac and 80% of rated maximim load % 1 s 20 ms 20 adjustability ms ±5 power good Designated as PG on the CN3. This signal goes TTL high 100-500 ms after the output reaches regulation. It goes low at least 1 mS before loss of regulation. fan drive 12 Vdc / 400 mA for external fan % PROTECTIONS parameter conditions/description min typ over voltage protection AC input needs to be reset to restart the power supply. over current protection automatically recovers short circuit protection short circuit can be continuous, recovers automatically upon removal of short over temperature protection auto recovery 110 max units 130 % 140 85 °C max units SAFETY & COMPLIANCE parameter conditions/description isolation voltage applied for 3 seconds at 10 mA max. primary to secondary primary to transformer core primary to earth chassis min safety approvals certified to 62368: IEC, EN, UL EMI/EMC pass FCC Part 15, CISPR 22 class B, conducted leakage current at 240 Vac at 120 Vac RoHS compliant yes MTBF according to MIL-HDBK-217 at 30 ºC typ 3,000 1,500 1,500 Vac Vac Vac 500 300 cui.com 100,000 μA μA hrs Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S320-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description operating temperature see derating curve min typ 0 storage temperature max units 70 °C -20 85 °C operating humidity non-condensing 5% 90% % storage humidity non-condensing 5% 95% % vibration acceleration ± 7.35 M/(SxS), on X, Y and Z Axis 5 50 Hz max units DERATING CURVES MECHANICAL parameter conditions/description dimensions 152.40 x 101.60 x 38.10 [6 x 4 x 1.5 inch] min weight typ mm 600 cui.com g Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S320-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 4 of 5 MECHANICAL DRAWING units: mm[inches] tolerance: ±0.3 mm unless otherwise specified 25.40 1.000 (2 PLCS) 25.40 1.000 101.60 4.000 SCALE: 1:3 101.60 4.000 (2 PLCS) connector part no. JS-1120-05 (5 pins, 3 used) CN1 1 ground 2 ac neutral 3 ac line L L 76.20 3.000 (2 PLCS) N N G G VO- VO- VO+ VO+ 101.60 4.000 CN2 1 Vo+ 2 Vo+ 3 Vo+ 4 Vo+ 5 Vo+ 6 Vo- 7 Vo- 8 Vo- 9 Vo- 10 Vo- A UNC 8-32 (6 PLCS) terminal block option M3.5 screw 7pins 9.5mm center connector part no. JS-1120-10 (10 pins) FAN2 + - 152.40 6.000 CN3 FF RTN PG 38.10 1.500 CN3 1 power good 2 RTN 3 fan fail Notes: 1. 2. 3. 4. 5. DETAIL A SCALE 2 : 1 CN1 mates with JST VH series 5-pin connector. CN2 mates with VH series 10-pin connector. CN3 mates with JST XHP-3 or equivalent (CHYAO SHIUNN JS-2001-03) and JST SXH-002T-P0.6 mating pins Fan drive connector mates with JST part no. XHP-2 or equivalent Mounting hole max depth 4.00mm cui.com Additional Resources: Product Page | 3D Model CUI Inc │ SERIES: VF-S320-XXA │ DESCRIPTION: AC-DC POWER SUPPLY date 06/02/2022 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 05/5/2009 1.01 new template applied 12/17/2011 1.02 V-Infinity branding removed 08/28/2012 1.03 removed on/off information, removed low leakage option, updated spec 04/23/2013 1.04 company logo updated 12/22/2020 1.05 safeties updated 02/10/2021 1.06 derating curve updated 04/22/2021 discontinued models VF-S320-05A & VF-S320-09A 06/02/2022 1.07 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 techsupport@cui.com 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.