www.pairuigroup.com page: 1 / 3 date: 01/23/2014 dc-dc converter bricks, open/enclosed baf series, full brick, up to 300w features: 5 years warranty 1500vdc isolation voltage wide(2:1) input voltage range operating temperature range -40c to +100c 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. baf48-50v60 48(36~72) 5.0 60.0 86% BAF48-120V25 12.0 25.0 86% baf48-240v13 24.0 12.5 85% notes: other input and output models may available on reques t. electrical input voltage range 48vdc 36-72vdc remote control positive logic on: high level or open off: low level or grounded output power input voltage range 300w output voltage single output 5/12/24vdc output voltage accuracy input voltage range,full load rang e 1% output voltage adjustable negative 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%/500 s ripple and noise parallel test, 20mhz wide range 200mvp-p ma x. operating frequency typical value 300khz typ. isolation voltage input to output 1500vdc input to case 1050vdc output to case 500vdc isolation resistance --- 100m safety --- en-60950 temperature coefficient --- 200ppm operating temperature range --- -40c to +100c storage temperature range --- -40c to +105c
www.pairuigroup.com page: 2 / 3 date: 01/23/2014 dc-dc converter bricks, open/enclosed baf series, full brick, up to 300w electrical over temperature protection typical 105c typ. under voltage protection --- yes output over current protection --- yes output short circuit protection --- yes output over voltage protection --- yes relative humidity --- 95% max. packing --- hole package 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 connection pin # single 1 -vin 2 fg 3 rem 4 +vin 5 gnd 6 -s 7 trim 8 +s 9 +vo pcb layout note: * unit is mm(inch).
www.pairuigroup.com page: 3 / 3 date: 01/23/2014 dc-dc converter bricks, open/enclosed baf series, full brick, up to 300w derating curve efficiency curve 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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