URB_LD-20WR3
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Catalog excerpts

URB_LD-20WR3 - 1

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 Series Patent Protection RoHS 20W,Ultra wide input isolated & regulated dual / single output DC/DC converter FEATURES • Ultra wide input voltage rang (4:1) • High efficiency up to 90% • No-load power consumption as low as 0.15W • Isolation voltage : 1500VDC • Input under-voltage protection, output short circuit protection, over-voltage protection, over-current protection • Operating temperature range: -40°C to +85°C • Meet CISPR22/EN55022 CLASS A, without external components • Six-sided metal shielding package • Reverse voltage protection available with A2S(Chassis mounting) or A4S(35mm DIN-Rail mounting) • IEC60950,UL60950,EN60950 approval URA_LD-20WR3 & URB_LD-20WR3 series are isolated20WDC-DCproducts with 4:1 input voltage. They feature efficiency up to 90.%, 1500VDC isolation, operating temperature of -40 C~+85 C, input under-vo/tage protection, output short circuit protection, over-voifage protection, over-current protection and EMI meets CISPR22/EN55022 CLASS A, which make them widely applied in data transmission device, battery power supplies, Teie-comunication device, distributed power supply system, remote control system, industrial robot system fields. Ana extension package A2S andA4S a/so enable them with reverse voltage protection. Notes: ©Series with suffix "H" are heat sink mounting; series with suffix "A2S" are chassis mounting, with suffix "A4S" are DIN-Rail mounting, for example URB2405LD-20WHR3A2S is chassis mounting of with heat sink,URB2405LD-20WR3A4S is DIN-Rail mounting of without heat sink; If the application has a higher requirement for heat dissipation, you can choose modules with heat sink; ©Absolute maximum rating without damage on the converter, but it isn't recommended; ©Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum efficiency greater than Min.-2 is qualified; ® The capacitive loads of positive and negative outputs are identical. MORNSUN GUANGZHOU 5CIGNCG & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of f

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URB_LD-20WR3 - 2

DC/DC Converter URA_LD-20WR3 & URB_LD-20WR3 Series Input Specifications Note: *The voltage of Ctrl pin is relative to input pin GND. Output Specifications Note:®At 0%~5% load, the Max. output voltage accuracy of ±5VDC/±9VDC output converter is ±5%. ©When testing from 0% to100%load working conditions, load regulation index of ±5%; ©0%-5% load ripple&Noise is no more than 5%Vo.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 2016.04.26-B/0 Page 2 of...

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URB_LD-20WR3 - 3

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 Series Isolation Capacitance Temperature Derating Curve Safe Operating Area with heatsink Operating Tempe rature(°C) MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2016.04.26-B/0 Page 3 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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URB_LD-20WR3 - 4

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 Series Design Reference 1. Typical application All the DC/DC converters of this series are tested according to the recommended circuit (see Fig. 2) before delivery. If it is required to further reduce input and output ripple, properly increase the input & output of additional capacitors Cin and Cout or select capacitors of low equivalent impedance provided that the capacitance is no larger than the max. capacitive load of the product. Parameter description MORNSUN GUANGZHOU 5CIGNCG & TGCHNOLOGY CO.,LTD. MORNSUN Guangzhou Science & Technology Co.,...

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URB_LD-20WR3 - 5

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 Series3. Application of Trim and calculation of Trim resistance Applied circuits of Trim (Part in broken line is the interior of models) Calculation formula of Trim resistance: Vo'-Vref Vref Rt is Trim resistance a is a self-defined parameter, with no real meaning. Note: Unit :mm[inch] Pin diameter tolerances :±0.10[±0.004] General tolerances:±0.50[±0.020] MORNSUN GUANGZHOU SCIGNCG & TECHNOLOGY CO.,LTD. 2016.04.26-B/0 Page 5 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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URB_LD-20WR3 - 6

Heat Sink THIRD ANGLE PROJECTION (§) ^ Front View Note: Unit :mm[inch] General tolerances:±0.50[±0.020] If use heatsinks,make sure there is enough space for a special size in ther above graph URA_LD-20WR3A2S & URB_LD-20WR3A2S(without heatsink) Dimensions THIRD ANGLE PROJECTION MORNSUN Pin-Out Note: Unit:mm[inch] Wire range :24~12 AWG General tolerances:±0.50[±0.020] MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2016.04.26-B/0 Page 6 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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URB_LD-20WR3 - 7

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 SeriesURA_LD-20WHR3A2S & URB_LD-20WHR3A2S(with heatsink) Dimensions THIRD ANGLE PROJECTION Note: Unit:mm[inch] Wire range:24~12 AWG General tolerances:±0.50[±0.020] URA_LD-20WR3A4S & URB_LD-20WR3A4S(without heatsink) Dimensions THIRD ANGLE PROJECTION ^*3 MORNSUN Pin-Out Note: Unit:mm[inch] Wire range :24~12 AWG General tolerances:±0.50[±0.020] MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2016.04.26-B/0 Page 7 of 8 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation

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URB_LD-20WR3 - 8

DC/DC ConverterURA_LD-20WR3 & URB_LD-20WR3 SeriesURA_LD-20WHR3A4S & URB_LD-20WHR3A4S(with heatsink) Dimensions THIRD ANGLE PROJECTION -0--E3 Note: Unit:mm[inch] Wire range:24~12 AWG General tolerances:±0.50[±0.020] 1. Packing information please refer to Product Packing Information which can be downloaded from www.mornsun-power.com.The Packing bag number of Horizontal package :58200035(without heat sink), 58200051(with heat sink, A2S/ A4S package number: 58220022; 2. The recommended unbalance degree of the dual output module load is s£±5%; if the degree exceeds ±5%, than the...

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