Additional Resources: Product Page 3D Model date 11/19/2020 page 1 of 5 SERIES: VOF-50 DESCRIPTION: AC-DC POWER SUPPLY FEATURES up to 50 W continuous power compact size universal input (90~277 Vac) single output from 5~24 Vdc user trimmable output voltage option no load power consumption <0.19W 3000 Vac isolation over current, over voltage, and short circuit protections certified to 60950: UL/cUL efficiency up to 89% output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VOF-50-5 5 6.67 33.35 120 82 VOF-50-12 12 4.2 50 120 87 VOF-50-15 15 3.4 50 150 88 VOF-50-24 24 2.1 50 240 89 Notes: 1. Ripple & noise are measured at 20 MHz BW with 0.1 F ceramic cap and a 10 F electrolytic capacitors on the output and the two earth ground pads are connected to input earth ground. PART NUMBER KEY VOF-50 - XX Base Number Output Voltage cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VOF-50 DESCRIPTION: AC-DC POWER SUPPLY date 11/19/2020 page 2 of 5 INPUT parameter conditions/description min typ max units voltage 90 277 Vac frequency 47 63 Hz at 115 Vac, full load 1.1 A input current at 230 Vac, full load 0.5 A inrush current at 230 Vac, cold start 50 A leakage current at 277 Vac 3.5 mA at 110 Vac 0.19 W no load power consumption at 230 Vac 0.30 W input fuse 2 A/250V time delay fuse (included) OUTPUT parameter conditions/description min typ max units line regulation low line to high line 0.5 % load regulation full load to 10% load 1 % initial set point accuracy 3 % 1 kHz, 10~100% load VOF-50-5 500 mVp-p transient response VOF-50-12 1200 mVp-p VOF-50-15 1500 mVp-p VOF-50-24 2400 mVp-p hold-up time at 115 Vac, full load 8 ms start-up time at 115 Vac, full load 50 ms start-up delay at 115 Vac, full load 1000 ms adjustability built in trim pot 5 % switching frequency 61 65 69 kHz temperature coefficient 0.03 %/C PROTECTIONS parameter conditions/description min typ max units short circuit protection hiccup, auto recovery 110 % over current protection hiccup, auto recovery 110 % over voltage protection clamped by TVS SAFETY & COMPLIANCE parameter conditions/description min typ max units input to output 3,000 Vac isolation voltage input to ground 1,500 Vac output to ground 1,500 Vac safety approvals certified to 60950: UL/cUL EN 55022: 2010 Class B, EN 61204-3:2000, EN 61000-6-3: 2007 +A1: 2011, EN 61000-3-2: 1 EMI/EMC 2006 +A2: 2009, EN 61000-3-3: 2008, EN 55024: 2010, EN 61000-6-1: 2007, ENV 50204: 1995, CE, FCC class class II MTBF as per MIL-HDBK-217F at 25 C, full load 250,000 hours RoHS 2011/65/EU Notes: 1. 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