date 06/06/2011 page 1 of 5 SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • • Up to 80 W continuous power <0.5W no load power consumption Industry standard footprint Universal input (85-264 Vac) Single output from 3.3 to 48V User trimmable output voltage 3000V isolation Over current, over voltage, and short circuit protections UL/cUL and TUV 60950-1 safety approvals Efficiency up to 89% RoHS MODEL VOF-80-3.3 VOF-80-5 output voltage output current output power ripple1 and noise efficiency (Vdc) max (A) max (W) max (mVp-p) typ (%) 3.3 10 33 120 75 5 10 50 120 76 VOF-80-12 12 6.66 80 120 85 VOF-80-15 15 5.33 80 150 86 VOF-80-24 24 3.33 80 240 87 VOF-80-48 48 1.66 80 480 89 Notes: 1. Ripple & noise are measured at 20 MHz BW with 0.1 μF ceramic and 10 μF electrolytic capacitors on the output PART NUMBER KEY VOF-80 - XX Base Number Output Voltage cui.com CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 06/06/2011 │ page 2 of 5 INPUT parameter conditions/description min voltage frequency input current 110 Vac 220 Vac inrush current 115 Vac, full load, cold start 220 Vac, full load, cold start input fuse built-in, non-user serviceable max units 85 120 typ 264 375 Vac Vdc 47 63 Hz 1.5 0.8 A A 25 50 A A max units OUTPUT parameter conditions/description line regulation high line to low line at full load load regulation full load to 10% load min typ ±0.5 temperature coefficient hold-up time 115 Vac at full load adjustability adjustable with built-in trim pot % ±1 % ±0.05 %/°C 8 ms -10 switching frequency +5 65 % kHz PROTECTIONS parameter conditions/description over voltage protection clamped by TVS min typ 3.3 and 5 V models all other models over current protection automatically recovers short circuit protection continuous, long term short circuit may reduce reliability max units 6.8 135 V % 105 %Io SAFETY & COMPLIANCE parameter conditions/description isolation voltage primary to secondary for 1 minute primary to transformer core for 1 minute primary to ground for 1 minute min isolation resistance input to output at 500 Vdc @ 25°C safety approvals TUV EN60950, CE, UL/cUL 60950-1 EMI/EMC FCC class B, EN55022 class B typ max Vac Vac Vac 50 MΩ leakage current 1.5 RoHS compliant yes MTBF according to MIL-HDBK-217F 250,000 cui.com units 3,000 1,500 1,500 mA hours CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 06/06/2011 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description operating temperature see derating curve min storage temperature max units 0 typ 60 °C -20 85 °C operating humidity non-condensing 20 90 % storage humidity non-condensing 20 95 % operating altitude 10,000 3,000 ft m storage altitude 30,000 9,000 ft m MECHANICAL parameter conditions/description dimensions 4 x 2 x 1.40 (102 x 51 x 35.6 mm) min typ max inch weight 0.2 cooling method units kg free air convection or forced air (see derating curves below) DERATING CURVES 1. output power vs. ambient temperature a. 3.3, 5 V models 2. output power vs. input voltage all models b. all other models 1 40 100 100 90 Load factor (%) 2 Load factor (%) Load factor (%) 2 100 90 80 70 60 1 70 0 0 0 10 20 30 40 50 60 0 0 Ambient Temperature (°C) 1 2 Convection Forced air (1m/s) (200 LFM) 80 10 20 30 40 50 60 0 85 Ambient Temperature (°C) 1 2 Convection Forced air (1m/s) (200 LFM) MATING CONNECTORS parameter conditions/description ac input (CN1) mates with Molex housing 09-50-7031 with Molex 2878 series crimp contact dc output (CN2) mates with Molex housing 09-50-7061 with Molex 2878 series crimp contact MOUNTING METHOD Horizontal (performace evaluations conducted under this mounting method) cui.com 90 Input Votage (Vac) 264 CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 06/06/2011 │ page 4 of 5 MECHANICAL DRAWING tolerance: ±1.0mm unless otherwise specified 102.0 4.016 94.0 3.701 CN2 6 5 4 3 2 1 CN1 3 2 43.0 1.693 1 51.0 2.008 CN1 1 L 2 no pin 3 N 3.5 0.138 (4 PLCS) MOUNTING HOLE 32.6 1.283 1.6 0.063 3.0 MAX (LEAD) cui.com CN2 1 +Vo 2 +Vo 3 +Vo 4 -Vo 5 -Vo 6 -Vo CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 06/06/2011 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 03/13/2009 1.01 updated pin designation 04/01/2010 1.02 updated derating curves and mechanical drawing and applied new spec template 05/02/2011 The revision history provided is for informational purposes only and is believed to be accurate. Headquarters 20050 SW 112th Ave. Tualatin, OR 97062 800.275.4899 Fax 503.612.2383 cui.com [email protected] CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. CUI reserves the right to make changes to the product at any time without notice. Information provided by CUI is believed to be accurate and reliable. However, no responsibility is assumed by CUI for its use, nor for any infringements of patents or other rights of third parties which may result from its use. CUI products are not authorized or warranted for use as critical components in equipment that requires an extremely high level of reliability. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.