1/3 VOF-25 Switching Power Supply Rev. 07-2007 Features • • • • • • • • RoHS Compliant Universal input 85~264 Vac Output over-current protected Output over-voltage protected Industry standard foot-print Efficiency up to 82% Safety approved to TUV, CE; UL/cUL Conducted EMI meets EN55022 class B and FCC class B Model VOF-25-3.3 VOF-25-5 VOF-25-7.5 VOF-25-9 VOF-25-12 VOF-25-15 Voltage (V) 3.3 5 7.5 9 12 15 Current (A) 4.4 4.4 3.0 2.7 2.0 1.6 Total 1,2 Regulation ±5% ±5% ±5% ±5% ±5% ±5% Ripple & Noise 3 (mVp-p max) 50 50 75 90 120 150 Efficiency (%) 70 73 73 77 80 80 VOF-25-24 24 1.0 ±5% 240 82 Notes: 1. Measured from High Line to Low Line at Full load. 2. Measured from Full load to 10% load at 110 VAC. 3. Ripple & Noise measured at 20 MHz BW, with a 0.1 µF ceramic cap and a 10 µF electrolytic cap on the output and two earth ground pads are connected to input earth ground. Derating Curves 1. Output Power vs. Ambient temperature (%) b. All other models (%) (%) a. 3.3 V and 5 V models (18 CFM) 2. Output Power vs. Input Voltage (%) All Models Input Voltage (VAC) V-INFINITY LLC, 9615 SW Allen Blvd., Suite 103, Beaverton, OR 97005 1-866-372-1258 www.v-infinity.com 2/3 VOF-25 Switching Power Supply Rev. 07-2007 Input Parameter Input Frequency Conditions/Description Input Voltage Input Current Output power derated from 85-90 VAC AC Input of 110 VAC Inrush Current AC Input of 210 VAC Measured at 110 VAC at full load, cold start Input fuse Measured at 220 VAC at full load, cold start Built-in, non-user serviceable. Min 47 Nom 85 Max 63 Units Hz 264 VAC mA 700 350 20 mA A 40 A Max Units +5 +0.05 mS % %/ºC Max 50 85 90% 95% 3,000 10,000 Units ºC ºC RH RH m ft 9,000 30,000 m ft 1.5 mA Output Parameter Efficiency Hold up time Adjustability Temp. Coefficient Conditions/Description Min Nom See table above. Typical values measured at 115 VAC, full load. At 115 VAC, full load 16 Adjustable with built-in trim pot. - 5 -0.05 Protection Circuit Parameter Overload Conditions/Description Current limiting starts at 105% of the rated output current and Output Over-voltage Short Circuit recovers automatically. Output voltage is limited to 115% by TVS clamping. Protected. Long term short circuit may reduce reliability. General and Safety Parameter Operating temp. Storage temp. Operating humid. Storage humid. Operating altitude Conditions/Description See derating curves. Non-condensing Non-condensing Min 0 -20 20% 20% Nom Storage altitude EMI Safety Conducted emissions comply with FCC class B, EN55022 class B Approved to TUV EN60950, CE, CB; UL/cUL 60950-1 RoHS Leakage Current Isolation Voltage (HI-POT) 2002/95/EC Per EN60950, 264 VAC Applied for 1 minute. Primary to secondary: Insulation Resistance MTBF ( @ 25ºC) Warranty Primary to transformer core: Primary to earth ground: Measured at 500 VDC, at room temp. MIL-HDBK-217F Standard Warranty Length V-INFINITY LLC, 9615 SW Allen Blvd., Suite 103, Beaverton, OR 97005 3000 VAC 1500 1500 50 VAC VAC MΩ 250K 2 1-866-372-1258 hours years www.v-infinity.com 3/3 VOF-25 Switching Power Supply Rev. 07-2007 Mechanical Parameter Conditions/Description Dimensions Weight 3.5”(88.9mm) x 2”(51mm) x 0.8”(20.32mm) Min Cooling method free air convection (see derating curve on p. 1) Nom Max Units 0.09 kg Mating Connectors Parameter Conditions/Description AC Input (CN1) DC Output (CN2) 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. Outline Drawing 90.0 3.54 81.9±0.1 3.22 51.0 2.01 42.8±0.1 1.68 3 2 1 4 3 CN2 2 1 CN2 CN1(0411-3P) 1 2 3 N no pin L CN2(0411-4P) VADJ 3.5 (4 PLCS) MOUNTING HOLE 1 2 3 4 -V -V +V +V *Tolerance: ±1 *Dimensions in mm 20.32 0.80 3.0 MAX (LEAD) *V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise customers to verify the most up-to-date product information before placing orders. V-Infinity assumes no liability or responsibility for customer’s applications using V-Infinity products other than repair or replacing (at V-I’s option) V-Infinity products not meeting V-I’s published specifications. Nothing will be covered outside of standard product warranty. V-INFINITY LLC, 9615 SW Allen Blvd., Suite 103, Beaverton, OR 97005 1-866-372-1258 www.v-infinity.com