product data sheet 20 watt dc/dc converters key features ? wide input ranges ? typical efficiency of 81% ? remote on/off ? overvoltage protection ? short circuit protection ? meets fcc section 15 sub part j class a radiated and conducted ? ce (lvd) ? designed to meet ul60950 applications ? telecommunications equipment ? digital circuits ? private branch exchange ? distributed power systems ? analog systems ? industrial control systems the 20 watt dc/dc converters operate from a wide inpu t range. this high density, low profile, small footpr int converter is ideal for board mountable applications wh ere space is at a premium. general electrical specifications (specifications at nominal input and 25 c, nominal input voltage and rated output current unless other wise noted.) input specifications input voltage range see selection guide input filter lc input current see selection guide input transient voltage 100 vdc for 100 ms. reverse voltage protection none startup & shutdown voltage ? (36) vdc @ 48 vin; ? 18vdc @ 24vin remote on/off enable inhibit, open circuit i sink < 0.1ma, < 0.5 vdc www.datasheet.co.kr datasheet pdf - http://www..net/
product data sheet output specifications voltage variance/regulation 3.3 0.1 vdc 5.0 0.15 vdc 12.0 0.24 vdc output adjustable yes ripple & noise 100 mv p-p (max) 20 mhz bandwidth transient response < 0.3 ms. 25% from 10% to 100% of rated load 5% voltage deviation load current maximum minimum 6.0 amps @ 3.3 vdc 4.0 amps @ 5 vdc 1.8 amps @ 12 vdc 0 amps short circuit protection continuous power output 20 watts overvoltage protection 4.3 vdc, 3.3 vdc output 6.2 vdc, 5.0 vdc output 15.0 vdc, 12.0 vdc output general specifications isolation 1500 vdc operating temperature (ambient air) -25 to + 71c thermal resistance (ca) case to ambient 11.5c/w ty pical storage temperature -25 to +100c thermal shutdown (ts models only) +95c selection guide device type input volts input current a (max) output voltage output current a (max) 20B24R5S 18 - 36 1.068 4.85 - 5.15 4.0 20b48r3.3s 36 - 72 0.520 3.20 - 3.40 6.0 20b48r3.3ts 36 - 72 0.520 3.20 - 3.40 6.0 20b48r5s 36 - 75 0.534 4.85 - 5.15 4.0 20b48r12lp 18 - 72 0.536 11.76 - 12.24 1.8 www.datasheet.co.kr datasheet pdf - http://www..net/
product data sheet (see note 3) pin connections mechanical specification (dimens ions in inches) pin connection 1 + v input 2 ? v input 3 no pin 4 enable 5 no pin 6 + v output 7 v return 8 adjust reliability power locations headquarters & customer service sales reliability power, incorporated 33 musick irvine, ca 92618 usa tel: (949) 305-6700 fax: (949) 305-6701 www.reliabilitypower.com reliability power, incorporated attention: sales tel: (805) 449-1667 fax: (805) 557-4530 sales@reliabilitypower.com copyright? 2000-2006, reliability power inc. relia bility power inc. reserves the right to make change s in the product at any time, without notification. 20 watt.doc 10 may 2006 notes: 1. all dimensions in parentheses are metric 2. tolerances unless otherwise specified: .xx .03 (.76) .xxx .015 (.38) 3. height of the 20b48r12lp is .400" (10.16) www.datasheet.co.kr datasheet pdf - http://www..net/
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