www.pairuigroup.com page: 1 / 4 date: 01/23/2014 dc-dc converter bricks, open/enclosed bas series, 1/16 brick, up to 60w features: 5 years warranty output current up to 30a 1500vdc isolation voltage wide (2:1) input voltage range efficiency up to 91% operating temperature range -40c to +85c under voltage, over current, short circuit, over voltage protection remote on/off adjustable output voltage model input voltage (vdc) output voltage (vdc) output current (a) efficiency typ. BAS48-12V30 48(36~72) 1.2 30.0 83% bas48-18v25 1.8 25.0 83% bas48-33v15 3.3 15.0 89% bas48-33v10 3.3 10.0 89% bas48-33v20 3.3 20.0 89% bas48-50v6 5.0 6.0 91% bas48-50v12 5.0 12.0 89% notes: 1. other input and output models may available on request; 2. you may request the models for different packages: throug h hole package and smt package; for smt package, plus smt in the suffix, e.g. BAS48-12V30smt. electrical input voltage range 48vdc 36-72vdc remote control negative logic on: low level or grounded off: high level or close positive logic off: low level or grounded on: high level or open output power input voltage range 33-66w output voltage single output 1.2/1.8/3.3/5.0vdc output voltage adjustable positive logic 10% line regulation full load 0.2% load regulation 10%-100% full load 0.5% dynamic response (transient/recovery time) 25%-50%-75% load capability ?vo/?t: 4.0%/500s
www.pairuigroup.com page: 2 / 4 date: 01/23/2014 dc-dc converter bricks, open/enclosed bas series, 1/16 brick, up to 60w electrical ripple and noise parallel test, 20mhz wide range 75mvp-p max . isolation voltage input to output 1500vdc isolation resistance --- 10m safety --- iec-60950-1, ul-60950-1 en-60950-1, gb4943 temperature coefficient --- 300ppm operating temperature range auxiliary heat sink -40c to +85c storage temperature range --- -40c to +125c over temperature protection typical 110c typ. under voltage protection --- yes over current protection --- yes short circuit protection --- yes over voltage protection --- yes relative humidity --- 95% max. packing --- hole package / smt mtbf bellcore tr-332, 25c 2x10 6 hrs notes: unless otherwise specified, all the parameters of th e test conditions are as follows: ambient temperature 25 , the nominal input voltage, pure resistive nominal load. mechanical through hole package smt package
www.pairuigroup.com page: 3 / 4 date: 01/23/2014 dc-dc converter bricks, open/enclosed bas series, 1/16 brick, up to 60w mechanical pcb layout connection pin # single 1 +vin 2 rem 3 -vin 4 gnd 5 -s 6 trim 7 +s 8 +vo note: * unit is mm(inch). derating curve efficiency curve
www.pairuigroup.com page: 4 / 4 date: 01/23/2014 dc-dc converter bricks, open/enclosed bas series, 1/16 brick, up to 60w notes recommended test and application circuit 1. tvs&fuse be helpful with over voltage protection and inru sh limiting. recommended fuse better be 1.5~2times of the rated current . 2. the input filter capacitor c6 could select the aluminum el ectrolytic capacitors or tantalum capacitors, and the withstand voltage should be greater than the highest input v oltage. recommended capacitor should be between 22f~100f. 3. c1,c2 for the input filter capacitor,0.1~1f high-frequ ency ceramics capacitor or chip capacitor are recommended. the withstand voltage of output filter c5, c7 should be great er than the highest output voltage. recommended capacitor of c7 better within 100f and c5 connected with the chip to reduce the input voltage peak, recommended 0.1~1f high-frequency ceramics capacitor or chip capacit or.
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