Additional Resources: Product Page date 08/16/2012 page 1 of 5 SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY D FEATURES • up to 80 W continuous power E • <0.5W no load power consumption • industry standard footprint • universal input (85-264 Vac) • single output from 3.3 to 48V U • user trimmable output voltage • 3000V isolation • over current, over voltage, and short circuit protections • UL/cUL and TUV 60950-1 safety approvals N • efficiency up to 89% RoHS I MODEL output output output ripple1 effi ciency voltage current Tpower and noise max max max typ (Vdc) (A) (W) (mVp-p) (%) VOF-80-3.3 3.3 10 33 120 75 VOF-80-5 5 10N 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 O 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 C PART NUMBER KEY S VOF-80 - XX I Base Number Output Voltage D cui.com

Additional Resources: Product Page CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/16/2012 │ page 2 of 5 INPUT D parameter conditions/description min typ max units 85 264 Vac voltage 120 375 Vdc frequency 47 63 Hz E 110 Vac 1.5 A input current 220 Vac 0.8 A 115 Vac, full load, cold start 25 A inrush current 220 Vac, full load, cold start U 50 A input fuse built-in, non-user serviceable OUTPUT parameter conditions/description min N typ max units high line to low line at line regulation ±0.5 % full load load regulation full load to 10% load ±1 % temperature coeffi cient I ±0.05 %/°C hold-up time 115 Vac at full load 8 ms adjustability adjustable with built-in trim pot T -10 +5 % switching frequency 65 kHz PROTECTIONS N parameter conditions/description min typ max units 3.3 and 5 V models 6.8 V over voltage protection clamped by TVS all other models 135 % over current protection automatically recovers 105 %Io O continuous, long term short circuit may reduce short circuit protection reliability SAFETY & COMPLIANCE C parameter conditions/description min typ max units primary to secondary for 1 minute 3,000 Vac isolation voltage primary to transformer core for 1 minute 1,500 Vac primary to ground for 1 minute 1,500 Vac isolation resistance S input to output at 500 Vdc @ 25°C 50 MΩ safety approvals TUV EN60950, CE, UL/cUL 60950-1 EMI/EMC FCC class B, EN55022 class B leakage current 1.5 mA I RoHS compliant yes MTBF according to MIL-HDBK-217F 250,000 hours D cui.com

Additional Resources: Product Page CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/16/2012 │ page 3 of 5 ENVIRONMENTAL D parameter conditions/description min typ max units operating temperature see derating curve 0 60 °C storage temperature -20 85 °C E operating humidity non-condensing 20 90 % storage humidity non-condensing 20 95 % 10,000 ft operating altitude 3,000 m U 30,000 ft storage altitude 9,000 m MECHANICAL N parameter conditions/description min typ max units dimensions 4 x 2 x 1.40 (102 x 51 x 35.6 mm) inch weight 0.2 kg free air convection or forced air I cooling method (see derating curves below) T DERATING CURVES 1. output power vs. ambient temperature 2. output power vs. input voltage N a. 3.3, 5 V models b. all other models all models 2 100 100 100 90 90 %) 80 2 %) %) 80 1 or ( 70 or ( 7O0 or ( act 60 1 act act d f d f d f a 40 a a o o o L L L 0 0 0 0 10 20 30 40 50 C60 0 10 20 30 40 50 60 0 85 90 264 Ambient Temperature (°C) Ambient Temperature (°C) Input Votage (Vac) 1 Convection 1 Convection 2 Forced air (1m/s) (200 LFM) 2 Forced air (1m/s) (200 LFM) S MATING CONNECTORS parameter conditions/description ac input (CN1) mates with Molex housing 09-50-7031 with Molex 2878 series crimp contact I dc output (CN2) mates with Molex housing 09-50-7061 with Molex 2878 series crimp contact D MOUNTING METHOD Horizontal (performace evaluations conducted under this mounting method) cui.com

Additional Resources: Product Page CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/16/2012 │ page 4 of 5 MECHANICAL DRAWING D tolerance: ±1.0mm unless otherwise specifi ed 102.0 4.016 E 94.0 3.701 U CN2 6 5 CN1 CN2 51.0 2.008 4 3 N 3 1 +Vo CN1 2 2 2 +Vo 43.0 1.693 1 1 L 1 3 +Vo 2 no pin 4 -Vo 3 N I 5 -Vo 6 -Vo T 3.5 0.138 (4 PLCS) MOUNTING HOLE N 32.6 1.283 O 1.6 0.063 C 3.0 MAX (LEAD) S I D cui.com

Additional Resources: Product Page CUI Inc │ SERIES: VOF-80 │ DESCRIPTION: AC-DC POWER SUPPLY date 08/16/2012 │ page 5 of 5 REVISION HISTORY D rev. description date 1.0 initial release 03/13/2009 E 1.01 updated pin designation 04/01/2010 updated derating curves and mechanical drawing and applied new spec 1.02 05/02/2011 template 1.03 V-Infi nity branding removed U08/16/2012 The revision history provided is for informational purposes only and is believed to be accurate. N I T N O C S I D Headquarters 20050 SW 112th Ave. Fax 503.612.2383 Tualatin, OR 97062 cui.com 800.275.4899 techsupport@cui.com 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.