six-sided shielding suppresses electromagnetic radia - tion which could disturb sensitive analog measurements or interfere with system timing signals. input fltering minimizes refected ripple current. output ripple volt - age and switching transients are reduced by fltering the PWR70 outputs. the PWR70 is tested in compliance with ul544, vde750, and csa c22.2 dielectric withstand voltage requirements. notes: all dimensions are in inches (millimeters). grid: 0.100 inches (2.54 millimeters) weight: 15gm (0.53oz) marked with: specifc model ordered, date code, job code. m ateria l : units are encapsulated in a low thermal resistance molding compound which has excellent chemical resistance, wide operating temperature range, and good electrical properties under high humidity en - vironments. l ead material is brass with a solder plated surface to allow ease of solderability. features l tested in comp l iance with u l 544 l output power to 3w l high iso l ation vo l tage: 2000vdc l six-sided shie lding l input and output fi l tering l low p rofi l e p ac k age : 0.4" h igh description the PWR70 is a dual-output dc/dc converter designed for general purpose power conversion applications where high effciency is more important than load regulation. the PWR70 provides a plus and minus output volt - age approximately equal to the input voltage mag - nitude. it operates over an input voltage range of 10vdc to 18vdc. isolation voltage is a minimum of 2000vdc. PWR70 series 3 watts unregul ated appl ications l power for data acquisition, op amps, etc. l process contro l l portab l e equipment l test equipment mechanica l obsolete product contact factory for replacement model
el ectrical specifications at t a = +25c, +v in = 15vdc, and i out = 15ma unless otherwise noted. parameter conditions min typ max units input rated voltage 15 vdc voltage range 10 18 vdc input current i out = 3ma 25 ma i out = 33ma 150 ma ripple current i out = 33ma 10 map-p isol ation rated voltage 2000 vdc test voltage 60s, 60hz 5000 vpk resistance 10 g? capacitance 12 pf l eakage current v iso = 240vac, 60hz 2 a output rated voltage 15 vdc voltage accuracy 5 % rated current 15 ma current range 0 100 ma l ine regulation 10vdc v in 18vdc 1.08 v/v l oad regulation 3ma i out 33ma 35 mv/ma ripple voltage i out = 3ma 10 mvp-p i out = 33ma 80 mvp-p temperature specifcation C25 +85 c operating C55 +125 c absol ute maximum ratings input voltage...................................................................18vdc output current..............................................................150ma output short-circuit duration...................................continuous ordering information pwr 70 /h device family pwr indicates dc/dc converter model number reliability screening no designator indicates standard manufacturing processing figure 2. temperature drift. figure 1. load regulation. murata power solutions, inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. the descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. specifcations are subject to change without notice. ? 2009 murata power solutions, inc. s mansfeld (ma), tel: (508) 339 3000 , email: sales@murata-ps.com canada: toronto, tel: (866) 740 1232, email: toronto@murata-ps.com uk: milton keynes, tel: +44 (0)1908 615232, email: mk@murata-ps.com france: montigny le bretonneux, tel: +33 (0)1 34 60 01 01, email: france@murata-ps.com germany: mnchen, tel: +49 (0)89-544334-0, email: ped.munich@murata-ps.com apan: tokyo, tel: 3-3779-1031, email: sales_tokyo@murata-ps.com osaka, tel: 6-6354-2025, e mail: sales_osaka@murata-ps.com china: shanghai, tel: +86 215 027 3678, email: shanghai@murata-ps.com guangzhou, tel: +86 208 221 8066, email: guangzhou@murata-ps.com singapore: parkway centre, tel: +65 6348 9096, email: singapore@murata-ps.com murata power solutions, inc. 11 cabot boulevard, mansfeld, ma 0204 8 -1151 u.s.a. tel: (508) 339-3000 (800) 233-2765 fax: (508) 339-6356 www.murata-ps.com email: sales@murata-ps.com iso 9001 iso 14001 gist
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