Catalog excerpts
LHE20-20A/C/Dxx Series 20W, AC-DC converter FEATURES • Universal 85 - 264VAC and wide 100 - 370VDC Input • Operating ambient temperature range -40 °C ~ +70 °C • High I/O isolation test voltage of up to 4000VAC • Regulated output, low ripple & noise • Output short circuit, over-current, over-voltage protection • High efficiency, high reliability • Plastic case meets flammability per UL94V-0 • EMC compliant to CISPR32 / EN55032 CLASS B LHE20-20A/C/Dxx series is one of Mornsun's compact size multiple output power converters, it features universal AC input and at the same time accepts DC input voltage, low power consumption, high efficiency, high reliability and reinforced insulation, it offers good EMC performance and is widely used in industrial and office applications. For extremely harsh EMC environment, we recommend using the application circuit show in Design Reference of this datasheet. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 1AC/DC ConverterLHE20-20A/C/Dxx Series Load Regulation Note: * The "parallel cable" method is used for ripple and noise test, please refer to AC-DC Converter Application Notes for specific information. MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2019.03.15-A/2 Page 2 of 6 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 2AC/DC ConverterLHE20-20A/C/Dxx Series Electromagnetic Compatibility (EMC) ^Temperature Derating Curve Note: ® With an AC input between 85-100V/240-264VAC and a DC input between 100-120V/340-370VDC, the output power must be derated as per temperature derating curves; (D This product is suitable for applications using natural air cooling; for applications in closed environment please consult factory or one of our FAE. MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 3AC/DC Converter LHE20-20A/C/Dxx Series Design Reference Fig. 1 LHE20-20Axx series, typical circuit diagram Fig. 2 LHE20-20Cxx series, typical circuit diagram Input and Output Components: We recommend using electrolytic capacitors with high frequency and low ESR rating for C2, C4 and C6 (refer to manufacture’s datasheet). Choose a capacitor voltage rating with at least 20% margin, in other words not exceeding 80%. C1, C3 and C5 are ceramic capacitors used for filtering high-frequency noise and TVS is a recommended suppressor diode to protect the application in case of a converter failure. 2....
Open the catalog to page 4AC/DC ConverterLHE20-20A/C/Dxx Series Element model 3. For additional information please refer to application notes on www.mornsun-power.com MORNSUN GUANGZHOU SCIENCE & TECHNOLOGY CO.,LTD. 2019.03.15-A/2 Page 5 of 6 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation
Open the catalog to page 5THIRD ANGLE PROJECTION Note: Unit: mm[inch] Mounting rail: TS35, rail needs to connect safety ground Wire range: 24-12 AWG Tightening torque: Max 0.4 N m General tolerances: ± 1.00[±0.039] 1. For additional information on Product Packaging please refer to www.mornsun-power.com. Packaging bag number: 58220006(Horizontal package); 58220010 (A2/A4 package); 2. If the product is not operated within the required load range, the product performance cannot be guaranteed to comply with all parameters in the datasheet; 3. Unless otherwise specified, parameters in this datasheet were measured under...
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