a division of cui inc date page series: description: 07/2009 1 of 4 20 w mini power supply vdrs-20 20050 sw 112 th ave. tualatin, oregon 97062 phone 503 . 612 . 2300 fax 503 . 612 . 2382 www.v-in nity.com features ?universal ac input ?installs on din rail ?brown out protection ?short circuit, over load, over voltage protection ?long life 105c electrolytic capacitors ?operating temperature up to 70c ?can withstand 5g of vibration ?true dc ok signal output ?meets eisa / efficiency level iv regulations model output voltage output current output wattage ripple efficiency level mtbf nominal (v dc) min (a) max (a) max (w) max. (mvp-p) (mil-hdbk-217f) VDRS-20-12 12 0 1.7 20.4 100 iv 120400 hours vdrs-20-15 15 0 1.4 21 100 iv 131300 hours vdrs-20-24 24 0 1 24 120 iv 125900 hours *full load, 230 vac input, measured at 20mhz bandwidth with a 47 and 0.1 uf parallel cap on the output rohs
a division of cui inc date page series: description: 07/2009 2 of 4 20 w mini power supply vdrs-20 20050 sw 112 th ave. tualatin, oregon 97062 phone 503 . 612 . 2300 fax 503 . 612 . 2382 www.v-in nity.com input parameter conditions/description min nom max units input voltage range derating may be needed under low input voltages; consult the derating curve for more details (page 3) 88 124 264 370 v ac v dc frequency range 47 63 hz rated input current 115 v ac 230 v ac 0.45 0.32 a a inrush current 115 v ac 230 v ac 20 40 a a leakage current 230 v ac 1ma output parameter conditions/description min nom max units line regulation 1 % load regulation 1 % voltage tolerance includes setup tolerance, line and load regulation 1 % over voltage protection latch-off mode 115 150 % over load protection constant current limit, auto recovery 102 % safety & emi parameter conditions/description min nom max units hi-pot input to output for 1 minute input to case for 1 minute 4242 2121 v dc v dc insulation resistance input to output at 500 v dc 100 m ? safety approvals ul 508, tuv en60950-1, ul1310 nec class 2 compliant emi standard en55022: 2006 class b, en61204-3: 2000, en61000- 6-3:2007 rohs compliant yes lps power supply yes power good open collector 40 ma environmental parameter conditions/description min nom max units operating temperature -20 70 c operating humidity 20 90 % storage temperature -40 85 c storage humidity 10 95 % cooling natural convection temperature coefficient 0 ~ 50c 0.03 %/c
a division of cui inc date page series: description: 07/2009 3 of 4 20 w mini power supply vdrs-20 20050 sw 112 th ave. tualatin, oregon 97062 phone 503 . 612 . 2300 fax 503 . 612 . 2382 www.v-in nity.com mechanical drawing derating curve
a division of cui inc date page series: description: 07/2009 4 of 4 20 w mini power supply vdrs-20 20050 sw 112 th ave. tualatin, oregon 97062 phone 503 . 612 . 2300 fax 503 . 612 . 2382 www.v-in nity.com active dc signal block diagram
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