Additional Resources: Product Page 3D Model date 07/07/2021 page 1 of 10 SERIES: VOF-300 DESCRIPTION: AC-DC POWER SUPPLY FEATURES up to 300W continuous power universal input voltage range industry standard 3 x 5 footprint power factor correction remote voltage sense remote on/off control fan & 5 Vdc aux outputs covered and open-frame configurations over voltage, over current, over temperature, and short circuit protections UL/cUL & TUV safety approvals efficiency up to 94% 3 output output output ripple efficiency MODEL 1 2 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VOF-300-12 12 25 300 120 92.5 VOF-300-24 24 12.5 300 150 93.5 VOF-300-36 36 8.34 300 150 93.5 VOF-300-48 48 6.25 300 150 94 4 Vstb 5 1 5 100 -- Notes: 1. Maximum output power of 300 W (5 W for Vstb) with 10 CFM forced air, 200 W (3 W for Vstb) with convection cooling. 2. At full load, nominal input, 20 MHz bandwidth oscilloscope, output terminated with 10 F electrolytic and 0.1 F ceramic capacitors. 3. At full load, 25C, 230 Vac input. 4. Standby output voltage. Present on all models. 5. All specifications are measured at Ta=25C, 230 Vac input voltage, and 60% rated output load unless otherwise specified. PART NUMBER KEY VOF-300 - XX - XXX - X Base Number Input Connector: blank = TAIWAN KING PIN Output Voltage Chassis: TERMINAL PVHI series blank = open-frame 1 = LONG CHU P3060 series CNF = covered cui.comAdditional Resources: Product Page 3D Model CUI Inc SERIES: VOF-300 DESCRIPTION: AC-DC POWER SUPPLY date 07/07/2021 page 2 of 10 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz at 100 Vac 4.0 A current at 240 Vac 1.8 A inrush current at 240 Vac, 25C, cold start 30 A leakage current 3.5 mA power factor correction meets EN 61000-3-2 no load power consumption measured with the PS-ON signal configured to OFF 0.3 W OUTPUT parameter conditions/description min typ max units at 115/230 Vac, full load 12 Vdc output models 25,000 F output capacitance 24 Vdc output models 12,500 F 36 Vdc output models 5,000 F 48 Vdc output models 3,750 F at full load, 25C initial set point accuracy Vo 1 % Vstb 3 % high line to low line at full load line regulation Vo 0.5 % Vstb 1 % from full to 10% load load regulation Vo 1 % Vstb 5 % hold-up time at 115 Vac 16 ms adjustability built in trim pot (VR) 5 % switching frequency at full load 60 80 kHz temperature coefficient 0.05 %/C PS-ON 0 2 Vdc power on PS-ON = 0V 4.5 mA 1 PS-ON signal PS-ON = NC (internal circuit will drive PS-On to 11~16 Vdc) power off PS-ON = NC 0 mA TTL goes high 50~250 ms after powered on power good (PG) TTL goes low 5~20 ms before 90% Vo standby output voltage 5 Vdc / 1 A fan output 12 Vdc / 500 mA Notes: 1. When not used, short PS-ON & signal GND. PROTECTIONS parameter conditions/description min typ max units latch mode 12 Vdc output models 15 Vdc over voltage protection 24 Vdc output models 30 Vdc 36 Vdc output models 43 Vdc 48 Vdc output models 56 Vdc over current protection hiccup, auto recovery 130 150 180 % short circuit protection auto recovery over temperature protection auto recovery (temperature of C37) 110 C cui.com