Catalog excerpts
![Medical Wide Input DCDC Converter URH_LP-20WR3 - 1](https://img.directindustry.com/pdf/repository_di/157704/medical-wide-input-dcdc-converter-urh-lp-20wr3-911808_1m.jpg)
URH_LP-20WR3 Series 20W isolated DC-DC converter in DIP package Ultra-wide input, regulated single output Patent Protection RoHS FEATURES • Ultra-wide 4:1 input voltage range • High efficiency up to 89% • No-load power consumption as low as 0.12W • Operating ambient temperature range: -40°C to +85 °C • Reinforced insulation, I/O isolation test voltage 5k VAC, rated for 250VAC working voltage • Transformer creepage 8mm, Transformer clearance 8mm • Low leakage current < 5 pA • Meets CISPR32/EN55032 CLASS A, without extra components • Input under-voltage protection, output short-circuit, over-current, over-voltage protection • Industry standard pin-out • Meets 2xMOPP EN60601-1 third edition medical certification standard (Pending) • Meets EN62368 standard (Pending) URH_LP-20WR3 series of isolated 20W DC-DC products with a 4:1 input voltage range. They feature efficiencies of up to 89%, 5000VAC input to output isolation, over-voltage, output short-circuit protection. They meet CLASS A of CISPR32/EN55032EMI standards without extra components, meets EN60601-1 third edition medical certification standard (Pending). They are widely used in high isolation required area such as medical application. MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2019.10.18-A/1 Page 1 of 6 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretati
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DC/DC Converter URH LP-20WR3 Series MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. MORNSUN 2019.10.18-A/1 Page 2 of 6 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
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DC/DC ConverterURH LP-20WR3 SeriesTypical Characteristic Curves Switching Frequency® UR^U^WRS. uraiSUTOWRS ferwaturc Ifealto Curve URH4815LP-20WR3. URH4824LP-20WR3 Temperature Derating Curve MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2019.10.18-A/1 Page 3 of 6 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
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DC/DC ConverterURH LP-20WR3 Series Design Reference 1. Typical application All the DC/DC converters of this series are tested before delivery using the recommended circuit shown in Fig. 2. Input and/or output ripple can be further reduced by appropriately increasing the input & output capacitor values Cin and Cout and/or by selecting capacitors with a low ESR (equivalent series resistance). Also make sure that the capacitance is not exceeding the specified max. capacitive load value of the product. Parameter description MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2019.10.18-A/1 Page 4...
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Notes: For EMC tests we use Part ® in Fig. 4 for immunity and part © for emissions test. Selecting based on needs. 3. Trim Function for Output Voltage Adjustment (open if unused) Trim up Trim down TRIM resistor connection (dashed line shows internal resistor network) Calculating Trim resistor values: aR2 up: Rt= -7:- Vo'-Vref Vref Rt= Trim Resistor value; a= self-defined parameter. 4. The products do not support parallel connection of their output5. For additional information please refer to DC-DC converter application notes on www.mornsun-power.com MORNSUN MORNSUN GUANGZHOU SCIENCE &...
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DC/DC Converter URH LP-20WR3 Series MORNSUNDimensions and Recommended Layout Note: 1. For additional information on Product Packaging please refer to www.mornsun-power.com. Packaging bag number: 58210039; 2. The maximum capacitive load offered were tested at input voltage range and full load; 3. Unless otherwise specified, parameters in this datasheet were measured under the conditions of Ta=25°C, humidity<75%RH with nominal input voltage and rated output load; 4. All index testing methods in this datasheet are based on company corporate standards; 5. We can provide product customization...
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