Additional Resources: Product Page PCB Footprint date 12/09/2021 page 1 of 6 SERIES: VBM-70 DESCRIPTION: AC-DC POWER SUPPLY FEATURES universal input range (90 ~ 264 Vac) wide operating temperature range (-40 to +85 C) ultra-low profile (17 mm) Class B emissions no external components required over temperature, over voltage, over current, and short circuit protections low no-load power consumption (150 mW) RoHS 2 output output output ripple efficiency MODEL 1 voltage current power and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VBM-70-12 12 5.83 70.0 120 88.0 VBM-70-24 24 2.92 70.0 240 88.5 VBM-70-36 36 1.94 69.8 360 89.0 VBM-70-48 48 1.46 70.0 480 89.5 Notes: 1. Ripple and noise are measured at 20 MHz BW with 10 uF aluminum electrolytic capacitor and 0.1 uF ceramic capacitor on the output. 2. Measured at 230 Vac, full load, and 25C. 3. All specifications measured at: Ta=25C, 230 Vac input voltage and 60% rated output load, unless otherwise specified. PART NUMBER KEY VBM-70 - XX - X Base Number Output Voltage Heatsinkblan = No H = Yes cui.comAdditional Resources: Product Page PCB Footprint CUI Inc SERIES: VBM-70 DESCRIPTION: AC-DC POWER SUPPLY date 12/09/2021 page 2 of 6 INPUT parameter conditions/description min typ max units voltage 90 264 Vac frequency 47 63 Hz leakage current at 264 Vac 3.5 mA no load power consumption 0.15 W OUTPUT parameter conditions/description min typ max units line regulation 90~264 Vac, full load 0.5 % load regulation 60% 40% rated load 1 % voltage accuracy 25C, full load 1 % hold-up time at 115 Vac 6 ms switching frequency 65 kHz PROTECTIONS parameter conditions/description min typ max units over current protection auto recovery, hiccup 110 150 % 12 Vdc output model 16 Vdc 24 Vdc output model 35 Vdc over voltage protection auto recovery 36 Vdc output model 50 Vdc 48 Vdc output model 63 Vdc short circuit protection auto recovery over temperature protection auto recovery SAFETY AND COMPLIANCE parameter conditions/description min typ max units input to output for 1 minute 3,000 Vac isolation voltage input to ground for 1 minute 1,800 Vac output to ground for 1 minute 500 Vac safety approvals certified to 62368: IEC/UL/EN EN 55032: 2015+AC: 2016, EN 61204-3: 2000, EN 61000-6-3: 2007+A1: 2011+AC: 2012, conducted emissions EN 61000-6-4: 2007+A1: 2011, 47 CFR FCC Part 15 Subpart B, Class B EN 55032: 2015+AC: 2016, EN 61204-3: 2000, EN 61000-6-3: 2007+A1: 2011+AC: 2012, radiated emissions EN 61000-6-4: 2007+A1: 2011, 47 CFR FCC Part 15 Subpart B, Class B harmonic current EN 61000-3-2: 2014 ESD IEC 61000-4-2: 2008, Air Discharge: 8KV, Contact Discharge: 4KV, perf. Criteria A radiated immunity EN 55035:2017, EN 61204-3:2000, EN 61000-6-1:2019, EN 61000-6-2:2019 EFT/Burst IEC 61000-4-4: 2012, 1kv, 2kv, perf. Criteria A IEC 61000-4-5: 2014+A1: 2017, perf. Criteria A surge L-N: 0.5kv, 1kv, L/N-E(Earth): 0.5kv, 1kv, 2kv, perf. Criteria A conducted immunity EN 55035: 2017, EN 61204-3: 2000, EN 61000-6-1: 2019, EN 61000-6-2: 2019 voltage dips and interruption IEC 61000-4-11: 2004+A1: 2017, Dip: 30% Reduction, Dip >95% Reduction, perf. Criteria A MTBF as per MIL-HDBK-217F at 25C 550,000 hours RoHS compliant yes cui.com