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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series

18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series
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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 1

75W, wide input voltage, isolated & regulated single output DC-DC converter FEATURES • Ultra wide input voltage range (4:1) • High efficiency up to 93% • Isolation voltage: 2.25K VDC • Input under-voltage protection, Output short circuit, over-current, over-voltage, over-temperature protection • Operating temperature range: -40°C to +85°C • Five-sided metal shielding package • International standard pin-out: 1 /4 brick Patent Protection RoHS URF48_QB-75W(F/H)R3 series are isolated 75W DC-DC products with 41 input voltage. They feature efficiency up to 93%, 2250VDC isolation, operating temperature of-40°C to +85°C, input under-voltage protection, output short circuit protection, over-current protection, over-voltage protection, over-temperature protection and EMi meets C/SPR32/EN55032 CLASS B by add module recommended circuit, which make them widely app/iedin battery power supplies, industrial control, eiectricity,instruments, railway, communication, intelligence robot fields. Selection Guide Note:©"F" means product with aluminium bottom case;Series with suffix "H" are heat sink mounting; If the application has a higher requirement for heat dissipation, you can choose modules with heat sink; ©Exceeding the maximum input voltage may cause permanent damage. Input Specifications MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2017.08.30-A/0 Page 1 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 2

Output Specifications Note: *Ripple and noise are measured by "parallel cable" method, please see DC-DC Converter Application Notes for specific operation. Short-circuit Protection Hiccup, Continuous, self-recovery MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2017.08.30-A/0 Page 2 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 3

Product Characteristic Curve MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2017.08.30-A/0 Page 3 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 4

DC/DC Converter URF48_QB-75W(F/H)R3 Series Note: Temperature Derating Curves were tested at natural convection (20FLM). Sense of application and precautions 1. When not using remote sense +Vo sens e+ Trim sens e0V The le ad as s ho rt as po ss ible Short at pin root Notes： 1) When not using remote sense, make sure + Vo and Sense + are shorted, and that 0V and Sense- are shorted as well; 2) Keep the tracks between + Vo and Sense +, 0V and Sense- as short as possible. and close to the terminal. Avoid a looping track. If noise interferes the loop, the operation of the power module will become...

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 5

2. EMC solution-module recommended circuit device number Calculation formula of Trim resistance: Vo'-Vref Vref Rt is Trim resistance ,a is a self-defined parameter, with no real meaning. Vo' for the actual needs of the up or down regulated voltage Trim up Trim down Applied circuits of Trim (Part in broken line is the interior of models) MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2017.08.30-A/0 Page 5 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 6

When the Trim function with down regulated is used, If the RT resistor is too low or "Trim" is short with "+Vo", the output voltage Vo' would be lower than 0.9Vo, which may cause the product to be irreversibly damaged. 4. Reflected ripple current-test circuit Lin 5. It is not allowed to connect modules output in parallel to enlarge the power6. For more information please find the application notes on www.mornsun-power.com URF48xxQB-75WR3 Dimensions and Recommended Layout MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2017.08.30-A/0 Page 6 of 8 MORNSUN Guangzhou Science & Technology Co.,...

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 7

DC/DC Converter URF48_QB-75W(F/H)R3 Series URF48xxQB-75WFR3 Dimensions and Recommended Layout URF48xxQB-75WHR3 Dimensions and Recommended Layout MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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18-75V Ultra-wide Input Voltage URF48_QB-75WR3 Series - 8

1. Packing Information please refer to 'Product Packing Information'. Packing bag number: 58010113(URF48xxQB-75WR3), 58200069(URF48xxQB-75WFR3), 58220017(URF48xxQB-75WHR3); 2. The maximum capacitive load offered were tested at input voltage range and full load; 3. Unless otherwise specified, data in this datasheet should be tested under the conditions of Ta=25°C, humidity<75%RH when inputting nominal voltage and outputting rated load; 4. All index testing methods in this datasheet are based on our Company's corporate standards; 5. We can provide product customization service and match...

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