specification model dc voltage rated current current range rated power output line regulation load regulation setup, rise time hold up time (typ.) voltage range frequency range efficiency (typ.) inpu t inrush current (typ.) withstand voltage isolation resistance working humidity working temp. storage temp., humidity temp. coefficient vibration mtbf dimension others note packing overload over voltage ac current (typ.) 600ms, 20ms/230vac 1000ms, 20ms/115vac at full load 40ms/230vac 10ms/115vac at full load 85 ~ 264vac 120 ~ 370vdc 47 ~ 440hz 78% 74% 82% 13.8 ~ 16.2v 83% 17.25 ~ 20.25v 84% 27.6 ~ 32.4v 0.6a/115vac 0.4a/230vac cold start 20a/115vac 40a/230vac 115%~150% rated output power 5.75 ~ 6.75v 3.8 ~ 4.46v protection type : hiccup mode, recovers automatically after fault condition is removed 20 ~ 90% rh non-condensing -30 ~ +70 (refer to "derating curve") -40 ~ +85 , 10 ~ 95% rh 0.03%/ (0 ~ 50 ) 10 ~ 500hz, 5g 10min./1cycle, period for 60min. each along x, y, z axes khrs min. mil-hdbk-217f (25 ) 52.4*27.2*24mm (l*w*h) 0.58kg; pcs/ kg/ cuft file name:IRM-20-spec 2013-02-27 0.5% 0.5% 0.3% 0.5% 0.3% 0.5% 0.3% 0.5% 0.3% 0.3% 2.0% 2.0% 2.0% 2.0% 2.0% 200mvp-p 200mvp-p 240mvp-p 300mvp-p 480mvp-p 3.3v 12v 15v 24v 4a 4.5a 1.8a 1.4a 0.9a 0 ~ 4a 0 ~ 4.5a 0 ~ 1.8a 0 ~ 1.4a 0 ~ 0.9a 20w 14.85w 21.6w 21w 21.6w IRM-20-5 IRM-20-12 IRM-20-15 IRM-20-2 4 IRM-20-3.3 safety standards 20w output switching power supply i r m - 2 0 s e r ie s ???????? ? ripple & noise (max.) note.2 voltage tolerance note.3 ?? ??? ?????????? ??? ????????? ????????? ??? ???????? ?? ?????? ?????? ????? ???? ??? ?? ?? ??????? ???????????? ?? ?????? ? ????? ??? ???????? ?? ????? ?? ????????? ?? ????? ? ??? ??????? ????????? ?????????? ???? ? ????? ? ???? ???? ???? ?????????? ?? ????????? ? ???????? ??? ?? ?????????? ???? ?????????? ??? ???? ??????????? ?? ??? ????? ?????? ?? ?????????? ? ????????? ????? ???? ?? ????????? ???? ? ????? ?????????? ??? ????? ????????? ???? ?? ???????????? ???? ?? ????? ????? ??? ??????????? environment safe ty & emc (note 4) protection protection type : shut off o/p voltage, clamping by zener diode compliance to en55022 (cispr22) class b, en61000-3-2,-3 compliance to en61000-4-2,3,4,5,6,8,11, en55024, heavy industry level, criteria a i/p-o/p:3kvac i/p-o/p:100m ohms / 500vdc / 25 / 70% rh ul60950-1, tuv en60950-1 approved ? ? ? ? ? ? ? ? ? ????????? ?? ????? ? ???? ????? ??????? ???? ???????????? ????? ??????? ? ???????? ? ???? ??????? ??????? ?? ???? ??? ?????????? ????????? ????? ?? ???? ????? ??? ????????????? ???? ???? ???? ??????? ???? ???? ??????????? ? ????? ???????? 5v emc immunity emc emission le akage current < 0.75ma/240vac bauar sicher heit egel ge ma t gep r uf t od b e www. id 200000 0000 tuv . com w a c g o s
block diagram mechanical specification ambient temperature ( ) (horizontal) -30 0 10 20 30 40 50 60 70 20 40 60 80 100 output derating vs input voltage input voltage (vac) 60hz 85 100 95 120 115 160 140 200 180 240 220 264 90 100 80 70 60 50 40 file name:IRM-20-spec 2013-02-27 20w output switching power supply case no. unit:mm derating curve p/n dia mete r:1.04 24 3.5 1mm 45 52.4 b otto m vi ew a c/ l -v +v ac/n 3.4 i r m - 2 0 s e r ie s filter i/p emi filter rectifiers & rectifiers control pwm detection circuit & filter +v -v switching powe r fosc : 100khz
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