For more information, please visit the product page. date 07/22/2014 page 1 of 5 SERIES: VOF-70 │ DESCRIPTION: AC-DC POWER SUPPLY FEATURES • • • • • • • • • • up to 70 W continuous power compact size universal input (90~277 Vac) single output from 5~48 Vdc user trimmable output voltage option no load power consumption <0.24W 3000 Vac isolation over current, over voltage, and short circuit protections UL/cUL and TUV 60950-1 safety approvals efficiency up to 90% MODEL output voltage output current output power ripple and noise1 efficiency (Vdc) max (A) max (W) max (mVp-p) typ (%) 5 8.61 43 120 81 VOF-70-12 12 5.9 70 120 87 VOF-70-15 15 4.7 70 150 87 VOF-70-24 24 3 70 240 88 VOF-70-28 28 2.5 70 280 88 VOF-70-48 48 1.5 70 480 90 VOF-70-5 Notes: 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-70 - XX Base Number Output Voltage cui.com For more information, please visit the product page. CUI Inc │ SERIES: VOF-70 │ DESCRIPTION: AC-DC POWER SUPPLY date 07/22/2014 │ page 2 of 5 INPUT parameter conditions/description min voltage typ 90 frequency 47 max units 277 Vac 63 Hz input current at 115 Vac, full load at 230 Vac, full load 1.5 0.7 A A inrush current at 230 Vac, cold start 50 A leakage current at 277 Vac 3.5 mA no load power consumption at 110 Vac at 230 Vac 0.24 0.30 W W input fuse 2 A/250V time delay fuse (included) max units OUTPUT parameter conditions/description line regulation low line to high line load regulation full load to 10% load min initial set point accuracy typ ±0.5 % ±1 % ±3 % 500 1200 1500 2400 2800 4800 mVp-p mVp-p mVp-p mVp-p mVp-p mVp-p transient response 1 kHz, 10~100% load VOF-70-5 VOF-70-12 VOF-70-15 VOF-70-24 VOF-70-28 VOF-70-48 hold-up time at 115 Vac, full load start-up time at 115 Vac, full load 50 ms start-up delay at 115 Vac, full load 1000 ms adjustability built in trim pot ±5 % 8 switching frequency 61 temperature coefficient ms 65 69 ±0.03 kHz %/°C PROTECTIONS parameter conditions/description min typ max units short circuit protection hiccup, auto recovery 110 % over current protection hiccup, auto recovery 110 % over voltage protection clamped by TVS SAFETY & COMPLIANCE parameter conditions/description isolation voltage input to output input to ground output to ground safety approvals UL60950-1, EN60950-1 EMI/EMC1 EN 55022: 2010 Class B, EN 61204-3:2000, EN 61000-6-3: 2007 +A1: 2011, EN 61000-3-2: 2006 +A2: 2009, EN 61000-3-3: 2008, EN 55024: 2010, EN 61000-6-1: 2007, ENV 50204: 1995, CE, FCC class class II MTBF as per MIL-HDBK-217F at 25 °C, full load RoHS Notes: min typ max units 3,000 1,500 1,500 Vac Vac Vac 250,000 hours 2011/65/EU 1. The power supply is considered a component which will be installed into final equipment. The final equipment still must be tested to meet the necessary EMC directives. cui.com For more information, please visit the product page. CUI Inc │ SERIES: VOF-70 │ DESCRIPTION: AC-DC POWER SUPPLY date 07/22/2014 │ page 3 of 5 ENVIRONMENTAL parameter conditions/description min max units operating temperature see derating curves -20 60 °C storage temperature typ -40 85 °C operating humidity non-condensing 20 90 % storage humidity non-condensing 20 90 % operating altitude 10~3000Hz, 10 minutes per cycle, for 1 hour along each of the X, Y, and Z axes vibration & shock 2000 m 2 G DERATING CURVES Temperature Derating Curve Load vs Input Voltage at 110 Vac 100 100 90 60 Load (%) Load (%) 85 Safe operating area 50 40 20 -20 Ta=25°C 80 60 40 20 0 10 20 30 40 50 Ambient Temperature (°C) 60 70 90 95 100 105 110 115 Input Voltage (Vac) cui.com 120 125 277 For more information, please visit the product page. CUI Inc │ SERIES: VOF-70 │ DESCRIPTION: AC-DC POWER SUPPLY date 07/22/2014 │ page 4 of 5 MECHANICAL parameter conditions/description dimensions 101.6 x 50.8 x 33.6 (4.00 x 2.00 x 1.32 inch) min weight open frame (convection) MECHANICAL DRAWING units: mm[inch] tolerance: ±0.30 CN1 Function 1 L 2 NP 3 N CN2 PIN Function 1 +Vo 2 +Vo 3 -Vo 4 -Vo Notes: 1. CN1 mates with Molex housing 09-50-3031 with Molex 2478 series crimp contact or equivalent. 2. CN2 mates with Molex housing 09-50-3041 with Molex 2478 series crimp contact or equivalent. 3. All specifications are measured at Ta=25°C, 230 Vac input voltage, and rated output load unless otherwise specified. cui.com max units mm 160 cooling method PIN typ g For more information, please visit the product page. CUI Inc │ SERIES: VOF-70 │ DESCRIPTION: AC-DC POWER SUPPLY date 07/22/2014 │ page 5 of 5 REVISION HISTORY rev. description date 1.0 initial release 04/08/2014 1.01 updated datasheet 05/09/2014 1.02 updated datasheet 07/22/2014 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.