20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2382 page date description: dual output switching power supply 1 of 2 05/2008 part number: VD-120A ch1 ch2 dc output voltage 5v 12v output v. tolerance 2% 6% output rated current 12a 5a output current range 2-12a 0.5-5a ripple & noise 60mvp-p 120mvp-p line regulation 0.5% 1.0% load regulation 0.5% 5.0% dc output power 120w efficiency 78% dc voltage adj. ch1:+10,-5% input voltage range 88~132vac/176~264vac selected by switch, 47~63hz; or 248~370vdc ac current 2.5a/115v 1.25a/230v inrush current cold start 35a leakage current <3.5ma/240vac overload protection 105%~135% shutoff ac recycle to restart over voltage protection ch1:5.75v~6.75v temperature coefficient 0.03% / oc (0~50oc) on +5v output set up, rise, hold up time 200ms, 50ms, 20ms 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 7.83x4.33x1.97inches (199x110x50mm) weight 1.94lbs. (0.88kgs) safety standards ul1950, tuv en60950 emc standards cispr22 (en55022) class b, iec801-2,3,4, iec555-2 verification notes: 1. all parameters are specified at 230vac input, rated load, 25c 70% ambient 2. tolerance includes set up tolerance, line regulation, load regulation 3. ripple & noise are measured at 20mhz by using a 12? twisted pair terminated with a 0.1uf & 47 uf capacitor 4. line regulation is measured from low line to high line at rated load 5. load regulation is measured from 0% to 100% rated load 6. each output provides up to maximum current, but total load can not exceed max. output power 7 . c2, c3, c11 must be removed *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 responsibili ty 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. features low cost, high reliability 105c output capacitor universal ac input range high efficiency, low temperature rise soft-start circuit, limiting ac surge current short circuit, overload, over-voltage protected compact size, light weight 100% full load burn-in test built-in emi filter, low ripple noise
20050 sw 112 th ave. tualatin, oregon 97062 p h o n e phone 503.612.2300 f a x fax 503.612.2382 page date description: dual output switching power supply 2 of 2 05/2008 part number: VD-120A block diagram output derating static characteristics dimensions (mm)
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