Additional Resources: Product Page 3D Model date 05/11/2021 page 1 of 5 SERIES: VOF-70B DESCRIPTION: AC-DC POWER SUPPLY FEATURES safety Class II design industry standard 2 x 4 footprint no-load power consumption < 0.3 W EN 55032 Class B radiated emissions 5k meters high altitude operation 2 output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VOF-70B-12 12 5.84 70 120 87 VOF-70B-24 24 2.92 70 240 89 VOF-70B-48 48 1.46 70 300 89 Notes: 1. Measured at output within 20 MHz BW, at rated line voltage and output load, with a 10 F tantalum and a 0.1 F ceramic capacitor across the output. 2. At 230 Vac. PART NUMBER KEY VOF-70B - XX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VOF-70B DESCRIPTION: AC-DC POWER SUPPLY date 05/11/2021 page 2 of 5 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz at 115 Vac 1.8 A current at 230 Vac 0.9 A inrush current at 230 Vac, cold start, 25 C 90 A leakage current at 264 Vac, 63 Hz 0.25 mA at 110 Vac 0.2 W no load power consumption at 230 Vac 0.3 W OUTPUT parameter conditions/description min typ max units initial set point accuracy 3 % line regulation at full load 0.5 % load regulation at 10% to full load 1 % adjustability built in trim pot 5 % start-up time at 100 Vac, full load 1 s rise time at 100 Vac, full load 50 ms hold-up time at 115 Vac, full load 10 ms switching frequency at full load 60 85 kHz temperature coefficient 0.04 %/C PROTECTIONS parameter conditions/description min typ max units over voltage protection latch off 110 130 % over current protection auto recovery short circuit protection auto recovery over temperature protection auto recovery SAFETY & COMPLIANCE parameter conditions/description min typ max units isolation voltage input to output 3,000 Vac safety approvals UL 62368-1, EN 62368-1, IEC 62368-1 safety class Class II conducted emissions EN 55032 Class B, FCC Class B radiated emissions EN 55032 Class B, FCC Class B input current harmonics EN 61000-3-2 Class A voltage fluctuation and flicker EN 61000-3-3 ESD immunity EN 61000-4-2, air: 8 kV contact: 4 kV contact radiated field immunity EN 61000-4-3, 3 V/m electrical fast transient EN 61000-4-4, 2 kV immunity 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