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G0509S-2WR2 데이터시트(PDF) 4 Page - MORNSUN Science& Technology Ltd. |
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G0509S-2WR2 데이터시트(HTML) 4 Page - MORNSUN Science& Technology Ltd. |
4 / 5 page DC/DC Converter G_S-2WR2 & H_S-2WR2 Series 2016.03.07-A/0 Page 4 of 5 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. The simplest device for output voltage regulation, over-voltage and over-current protection is a linear voltage regulator with overheat protection that is connected to the input or output end in series (see Fig. 4). S in g l e V in G N D +Vo 0 V D C C in D C C ou t D u a l V in G N D +Vo 0 V D C C in D C C out C ou t -Vo Fig. 3 Single Vin GND 0V +Vo DC DC REG REG Vin GND 0V +Vo DC DC -Vo REG REG REG Dual Fig. 4 Recommended capacitive load value table (Table 1) Vin (VDC) Cin (µF) Single Vout (VDC) Cout (µF) Dual Vout (VDC) Cout (µF) 5 10 5 10 ±5 4.7 12 4.7 12 2.2 ±9 2.2 24 2.2 15 1 ±12/±15 1 2. EMC typical recommended circuit (CLASS B) V in G N D + Vo - Vo ( ) 0 V D C /D C LO A D LD M C 1 C 2 C 3 D C P o w e r S u p p ly + - Fig. 5 Recommended typical circuit parameters: Input voltage (V) 5/12 24 EMI C1,C2 4.7µF /50V C3 Refer to the Cout in Fig.3 LDM 6.8µH 15µH 3. Output load requirements In order to ensure the converter can work reliably with high efficiency, the minimum load should not less than 10% rated load when it is used. If the needed power is indeed small, please parallel a resistor on t the output side ( The sum of the efficient power and resistor consumption power is not less than 10%). 4. For more information please find the application notes on www.mornsun-power.com |
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