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E1505D-1WR2 Datasheet(PDF) 4 Page - MORNSUN Science& Technology Ltd. |
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E1505D-1WR2 Datasheet(HTML) 4 Page - MORNSUN Science& Technology Ltd. |
4 / 5 page DC/DC Converter E_D-1WR2 & F_D-1WR2 series 2014.02.20-A/0 Page 4 of5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation Design Reference 1. Typical application If it is required to further reduce input and output ripple, a filter capacitor can be connected to the input and output terminals, see Fig.3. Moreover, choosing suitable filter capacitor is very important, start-up problems may be caused by too large capacitance. To ensured the modules running well, the recommended capacitive load values as shown in Table 1. Vin GND +Vo 0V DC Cin DC Cout Cout -Vo Dual O utput Single Ou tput Vin GND +Vo 0V DC Cin DC Cout Fig.3 Recommended capacitive load value table (Table 1) Vin(VDC) Cin (µF) Single Vout (VDC) Cout (µF) Dual Vout (VDC) Cout (µF) 3.3/5 4.7 3.3/5 10 ±5 4.7 12 2.2 12 2.2 ±12 1 15 2.2 15/24 1 ±15/±24 0.47 24 1 -- -- -- -- It is not recommended to connect any external capacitor when output power is less than 0.5W. 2. EMC typical recommended circuit (CLASS B) Vin G ND +Vo -Vo () 0V DCDC LO AD LDM C1 Vin GND C2 Fig.4 Input voltage (V) 3.3/5/12/15/24 EMI C1 4.7µF /50V C2 Refer to the Cout in Fig.3 LDM 6.8µH 3. Output load requirements To ensure the module work efficiently and reliably, during the operation, the min. output load should be no less than 10% of the full load. If the actual output power is low, please connecta resister to the output terminal in parallel, with a recommenced resistance which is 10% of the rated power, and derating is required during operation. 4. For more information please find DC-DC converter application notes on www.mornsun-power.com Dimensions and Recommended Layout |
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