VOF-45-3.3

date page 09/20/2011 1 of 5 SERIES: VOF-45 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • Up to 45 W continuous power Industry standard footprint Universal input (85~264 Vac) Single output from 3.3~48 V User trimmable output voltage 3000 V isolation Over current, over voltage, and short circuit protections UL/cUL and TUV 60950-1 safety approvals Efficiency up to 88% RoHS MODEL VOF-45-3.3 VOF-45-5 VOF-45-7.5 VOF-45-9 VOF-45-12 VOF-45-15 VOF-45-24 VOF-45-48 Notes: output voltage (Vdc) output current max (A) output power max (W) ripple1 and noise max (mVp-p) efficiency typ (%) 3.3 5 7.5 9 12 15 24 48 6.0 6.0 5.0 4.4 3.7 3.0 1.9 0.93 20 30 38 40 44 45 46 45 50 50 75 90 120 150 240 480 74 78 78 82 84 85 86 88 1. Ripple & noise are measured at 20 MHz BW with 0.1 μF ceramic cap and a 10 μF electrolytic capacitors on the output and the two earth ground pads are connected to input earth ground. PART NUMBER KEY VOF-45 - XX Base Number Output Voltage cui.com CUI Inc │ SERIES: VOF-45 │ DESCRIPTION: AC-DC POWER SUPPLY date 09/20/2011 │ page 2 of 5 INPUT parameter voltage frequency input current inrush current input fuse 110 Vac 220 Vac 110 Vac, full load, cold start 220 Vac, full load, cold start built-in, non-user serviceable conditions/description min 85 120 47 1 0.5 25 50 typ max 264 375 63 units Vac Vdc Hz A A A A OUTPUT parameter line regulation load regulation temperature coefficient hold-up time adjustability switching frequency 115 Vac at full load adjustable with built-in trim pot 8 -5 60 +5 conditions/description high line to low line at full load full load to 10% load min typ ±0.5 ±1 ±0.05 max units % % %/°C ms % kHz OUTPUT parameter over voltage protection over current protection short circuit protection conditions/description clamped by TVS automatically recovers protected, long term short circuit may reduce reliability 105 min typ max 115 units % %Io SAFETY & COMPLIANCE parameter isolation voltage conditions/description primary to secondary for 1 minute primary to transformer core for 1 minute primary to ground for 1 minute input to output at 500 Vdc at 25°C TUV EN60950, CE, UL/cUL 60950-1 FCC class B, EN55022 class B 1.5 yes according to MIL-HDBK-217F 250,000 hours mA min 3,000 1,500 1,500 50 typ max units Vac Vac Vac MΩ isolation resistance safety approvals EMI/EMC leakage current RoHS compliant MTBF ENVIRONMENTAL parameter operating temperature storage temperature operating humidity storage humidity operating altitude storage altitude non-condensing non-condensing conditions/description see derating curve min 0 -20 20 20 10,000 3,000 30,000 9,000 typ max 60 85 90 95 units °C °C % % ft m ft m cui.com CUI Inc │ SERIES: VOF-45 │ DESCRIPTION: AC-DC POWER SUPPLY date 09/20/2011 │ page 3 of 5 MECHANICAL parameter dimensions weight cooling method free air convection or forced air (see derating curves below) conditions/description 4 x 2 x 1.44 (102 x 51 x 36.6 mm) 0.17 min typ max units inch kg DERATING CURVES 1. output power vs. ambient temperature a. 3.3, 5, 7.5 V models Load factor ( %) Load factor ( %) 100 80 60 40 20 0 0 10 20 30 40 50 60 2 1 b. all other models 80 60 40 20 0 0 10 20 30 40 50 60 2. output power vs. input voltage all models Load factor ( %) 100 80 60 40 20 0 0 85 90 110 220 264 100 Ambient temperature (°C) 1 2 Ambient temperature (°C) 1 Input Voltage Vac Convection 3 Forced air (0.5m /min) (18 CFM) Forced air (0.5m /min) (18 CFM) 3 MATING CONNECTORS parameter ac input (CN1) dc output (CN2) conditions/description mates with Molex housing 09-50-3031 with Molex 2878 series crimp contact mates with Molex housing 09-50-3041 with Molex 2878 series crimp contact MOUNTING METHOD (performance evaluations conducted under this mounting method) Horizontal cui.com CUI Inc │ SERIES: VOF-45 │ DESCRIPTION: AC-DC POWER SUPPLY date 09/20/2011 │ page 4 of 5 MECHANICAL DRAWING tolerance: ±0.3mm unless otherwise specified 102.0 4.02 94.01 3.70 CN1 1 2 3 L no pin N 51.0 2.01 3 2 1 LED CN1 4 3 CN2 2 1 CN2 1 2 3 4 -Vo -Vo +Vo +Vo 43.21 1.70 VADJ 3.5 (4 PLCS) MOUNTING HOLE 32.0 1.26 B 1.6 0.06 3.0 MAX (LEAD) cui.com CUI Inc │ SERIES: VOF-45 │ DESCRIPTION: AC-DC POWER SUPPLY date 09/20/2011 │ page 5 of 5 REVISION HISTORY rev. 1.0 1.01 1.02 1.03 description initial release dimension added to drawing applied new spec template added MTBF data date 04/03/2009 05/02/2011 05/13/2011 09/20/2011 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 CUI offers a two (2) year limited warranty. Complete warranty information is listed on our website. Fax 503.612.2383 cui.com techsupport@cui.com 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.