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LH40-10B05 Datasheet(PDF) 5 Page - MORNSUN Science& Technology Ltd. |
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LH40-10B05 Datasheet(HTML) 5 Page - MORNSUN Science& Technology Ltd. |
5 / 7 page AC/DC Converter LH40 Series 2015.03.02-A/3 Page 5 of 7 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation EMC solution-recommended circuit PCB layout Fig 5 Suggestions for safety regulation and wiring width: wire width ≥3mm, distance between wires ≥6mm, and distance between wire and ground ≥6mm Element model Recommended value MOV1 S14K350 MOV2, MOV3 S07K350 CX 0.15μF/300VAC CY1 2.2nF/400VAC CY2 2.2nF /400VAC R1 1MΩ/2W LCM 2.2 mH, recommended to use MORNSUN’s FL2D-10-222; NTC 5D-14 FUSE 3.15A/250V, slow fusing, necessary 3. Application of Trim and calculation of Trim resistance 0V R2 R1 R3 Vref RT Trim +Vot 0V R2 R1 R3 Vref RT Trim +Vot Trim up Trim down Applied circuits of Trim (Part in broken line is the interior of models) Calculation formula of Trim resistance: up: a= Vref Vot-Vref R1 R= T aR2 R-a 2 -R3 down: a= Vref Vot-Vref R2 R= T aR1 R-a 1 -R3 RT is Trim resistance, a is a self-defined parameter, with no real meaning. Vout R1(KΩ)R2(KΩ)R3(KΩ) Vref(V) Vot(V) 3.3V 2 1.2 1 1.24 Output voltage after regulation, variation ≤ ±10% 5V 3.3 3.3 1 2.5 9V 4.7 1.8 1 2.5 12V 3.83 1 1 2.5 15V 4.99 1 1 2.5 24V 8.66 1 1 2.5 4. For more information about Mornsun EMC Filter products, please visit www.mornsun-power.com to download the Selection Guide of EMC Filter |
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