Additional Resources: Product Page 3D Model date 06/10/2021 page 1 of 6 SERIES: VOF-225A DESCRIPTION: AC-DC POWER SUPPLY FEATURES up to 225 W continuous power -40C to 70C operating temperature industry standard foot print 2 x 4 low profile 1 power factor correction 12 V/0.5 A fan output standby power <0.5 W efficiency up to 94% long life electrolytic capacitors output output output ripple efficiency MODEL 1,2 3,4 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VOF-225A-12 12 18.75 225 120 92 VOF-225A-15 15 15 225 150 92 VOF-225A-24 24 9.38 225 240 93 VOF-225A-30 30 7.5 225 300 93 VOF-225A-48 48 4.69 225 480 94 VOF-225A-58 58 3.88 225 580 94 Notes: 1. Maximum output power of 225 W with 13 CFM forced air cooling, and 120 W with natural convection cooling at 100 to 264 Vac. 2. Combined output power of main output and fan supply shall not exceed the max power rating. 3. Ripple is peak to peak with 20 MHz bandwidth and 10 F tantalum capacitor in parallel with a 0.1 F capacitor at rated line voltage and load ranges. 4. Output ripple can be more than 10% of the output voltage at -40C. 5. All specifications are measured at Ta=25C, nominal input voltage, and rated output load unless otherwise specified. PART NUMBER KEY VOF-225A - XX - X Base Number Output Connections: blank = screw type Output Voltage 1 = header type cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VOF-225A DESCRIPTION: AC-DC POWER SUPPLY date 06/10/2021 page 2 of 6 INPUT parameter conditions/description min typ max units voltage 80 264 Vac frequency 47 63 Hz at 115 Vac, full load 2.2 A current at 230 Vac, full load 1.1 A inrush current at 230 Vac, cold start 45 A leakage current at 230 Vac 0.3 mA power factor at full load 0.95 no load power consumption 0.5 W input fuse 6.3 A/250 V time delay fuse (included) OUTPUT parameter conditions/description min typ max units initial set point accuracy 1 % line regulation 0.5 % load regulation from 100% to 10% load 1 % start-up delay time 2 s rise time at 115/230 Vac 55 ms hold-up time at 115/230 Vac 10 ms 1 adjustability built in trim pot 3 % switching frequency 50 300 kHz 25% step load change, at 0.1 A/S slew rate, 50% transient response duty cycle, 50/60 Hz, max excursion 4%, recovery time 5 ms temperature coefficient at 0~50C 0.05 %/C 2 fan output 12 Vdc / 500 mA Notes: 1. Adjustment potentiometer is located on the SMT side of the PCB. 2. Fan supply output voltage tolerance including set point accuracy, line and load regulation is 10% and ripple and noise is less than 10%. PROTECTIONS parameter conditions/description min typ max units over voltage protection hiccup, auto recovery 110 140 % over current protection hiccup, auto recovery 110 % short circuit protection hiccup, auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units input to output 3,000 Vac isolation voltage input to ground 1,500 Vac EN 60950-1, IEC 60950-1 (ed.2), UL 60950 safety approvals (ed.2), CSA C22.2 No. 60950-1 (ed.2), Class 1 SELV complies with LVD directive safety class class I conducted emissions EN 55032 Class B EN 55032 Class B (to be controlled in end system with external radiated emissions core (King core K5B RC 25 x 12 x 15-M in input cable (5 turns)) input current harmonics EN 61000-3-2, class D voltage fluctuation and flicker EN 61000-3-3, pass ESD immunity EN 61000-4-2, level 3, criterion A Notes: 3. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directiv es. cui.com