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.) input 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.) 500ms, 20ms/230vac 500ms, 20ms/115vac at full load 50ms/230vac 16ms/115vac at full load 85 ~ 264vac 120 ~ 370vdc 47 ~ 440hz 75% 71% 81% 13.8 ~ 16.2v 83% 17.25 ~ 20.25v 84% 27.6 ~ 32.4v 0.6a/115vac 0.4a/230vac cold start 30a/115vac 65a/230vac above 105% rated output power 5.75 ~ 6.75v 3.8 ~ 4.46v protection type : hiccup mode, recovers automatically after fault co ndition is removed 20 ~ 90% rh non-condensing -20 ~ +60 (refer to output load derating curve) -40 ~ +85 , 10 ~ 95% rh 0.03%/ (0 ~ 50 ) 10 ~ 500hz, 2g 10min./1cycle, period for 60min. each along x, y, z axes 487.8khrs min. mil-hdbk-217f (25 ) 94*56*22.7mm (l*w*h) 0.18kg; 90pcs/17.2kg/0.97cuft file name:pm-20-spec 2010-07-19 1.5% 1.5% 0.5% 1.0% 0.5% 1.0% 0.5% 0.5% 1.0% 1.0% 2.0% 3.0% 2.0% 2.0% 2.0% 80mvp-p 80mvp-p 150mvp-p 150mvp-p 240mvp-p 3.3v 12v 15v 24v 4.4a 4.5a 1.8a 1.4a 0.92a 0 ~ 4.4a 0 ~ 4.5a 0 ~ 1.8a 0 ~ 1.4a 0 ~ 0.92a 22w 14.85w 21.6w 21w 22.08w pm-20-5 pm-20-12 pm-20-15 pm-20-24 pm-20-3.3 safety standards 20w output switching power supply p m - 2 0 s e r i e s features : ripple & noise (max.) note.2 voltage tolerance note.3 emi conduction & radiation 1. all parameters not specially mentioned are measured at 230vac input, r ated load and 25 of ambient temperature. 2. ripple & noise are measured at 20mhz of bandwidth by using a 12" twisted pair- wire terminated with a 0.1uf & 47uf parallel capacitor. 3. tolerance : includes set up tolerance, line regulation and load regula tion. 4. the power supply is considered a component which will be installed into a fi nal equipment. the final equipment must be re-confirmed that it still me ets emc directives. environment safety & emc (note 4) protection protection type : shut off o/p voltage, clamping by zener diode compliance to en55011 ,en55022 (cispr22) class b (cispr11) leakage current <200ua / 240vac harmonic current ems immunity compliance to en61000-3-2,-3 compliance to en61000-4-2,3,4,5,6,8,11; env50204, en55024, en 60601-1-2, en61204-3, medical level, criteria a i/p-o/p:4kvac i/p-fg:1.5kvac o/p-fg:1.5kvac i/p-o/p, i/p-fg, o/p-fg:100m ohms / 500vdc / 25 / 70% rh ul60601-1, tuv en60601-1, iec60601-1 approved universal ac input / full range low leakage current <200ua protections: short circuit / overload / over voltage ultra-miniature size, light weight cooling by free air convection ul60601-1/iec60601-1/en60601-1 medical safety approved no load power consumption<0.75w 100% full load burn-in test fixed switching frequency at 90khz high reliability 3 years warranty 5v en60601-1iec60601-1
fosc : 90khz block diagram mechanical specification ambient temperature ( ) load (%) (horizontal) -20 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 load (%) ta=25 90 100 80 70 60 50 40 file name:pm-20-spec 2010-07-19 20w output switching power supply pwm circuit detection rectifiers & filter power switch- filter & rectifiers +v -v ing control i/p fg emi filter 0.408" (10.375mm) 0.696" (17.68mm) 0.312" (7.92mm) 2.2"(56mm) case no. 951a unit:inch(mm) 0.89"(22.7mm) 0.041"(1.05mm) derating curve 0.138" (3.5 1mm) p m - 2 0 s e r i e s 0.224"(5.7mm) 3.252"(82.6mm) 3.7"(94mm) bottom view ac/n ac/l +v -v
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