* VPD-25B Open Frame Switching Power Supply Features *Universal AC input / Full range *Low leakage current<0.5mA *Protections:Short circuit/Over load/Over voltage/ Over temperature *Cooling by free air convection *100% full load burn-in test *Fixed switching frequency at 100KHz *Low cost *High reliability *2 year warranty Ch1 Ch2 DC output voltage 5V 24V Output V. tolerance 2% 6% Output rated current 1.2A 0.8A Output current range 0.2-2A 0.1-1A Ripple & noise (Vp-p) 50m 200m Line regulation 0.5% 2% Load regulation 1% 4% DC output power 25W Efficiency 77% DC voltage adj. --- Input voltage range 85~264VAC 47~63Hz; 120-370VDC AC current 0.65A/115V 0.4A/230V Inrush current cold start 40A Leakage current <0.5mA/240VAC Overload protection above 105% type: Hiccup mode, recovers automatically after fault condition is removed Over voltage protection CH1, CH2: 115%~135% Over temp. protection U1 Tj 135C typical power shutdown Temperature coefficient 0.03% / C (0~50C) on CH1 output Set up, rise, hold up time 250ms, 30ms, 16ms/115VAC 250ms, 50ms, 50ms/230VAC Vibration 10~500Hz, 2G 10 min./1 cycle, period of 60 min. each axes Withstand voltage I/P-O/P: 3KVAC, I/P-FG: 1.5KVAC, O/P-FG: 0.5KVAC, for 1 min. Isolation resistance I/P-O/P, I/P-FG, O/P-FG: 500VDC / 100M Ohms min. Working temp., humidity -10C~+60% (refer to output derating curve), 20%-90% RH Storage temp., humidity -20C~+85C, 10%-95% RH Dimensions 4.21x2.4x1.1 inches (107x61x28 mm) Weight 0.33lbs (.15 Kgs) Safety standards UL1950, TUV EN60950 approved EMC standards CISPR22 (EN55022), IEC1000-4,2,3,4,5 IEC1000-3-2, 3 verification Notes: 1. 2. 3. 4. 5. 6. All parameters are specified at 230VAC input, rated load, 25C 70% RH ambient Tolerance includes set up tolerance, line regulation, load regulation Ripple & noise are measured at 20MHz by using a 12" twisted pair terminated with a 0.1uF & 47 uF capacitor Line regulation is measured from low line to high line at rated load Load regulation is measured from 20% to 100% rated load, other outputs at 60% rated load Each output provides up to maximum current, but total load can not exceed max. output power V-Infinity reserves the right to make changes to its products or to discontinue any product or service without notice, and to advise cus tomers to verify the most up-to-date product information before placing orders. V-Infinity assumes no liability or responsibility for cus tomer's applications using V-Infinity products other than repair or replacing (at V-I's option) V-Infinity products not meeting V-I's pub lished specifications. Nothing will be covered outside of standard product warranty. V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258 * VPD-25B Open Frame Switching Power Supply Block Diagram Output Derating Static Characteristics Dimensions (mm) V-Infinity, LLC, 9615 SW Allen Blvd Suite 103, Beaverton, OR 97005 www.v-infinity.com 1-866-372-1258