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B1212S-2WR2 Datasheet(PDF) 4 Page - MORNSUN Science& Technology Ltd. |
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B1212S-2WR2 Datasheet(HTML) 4 Page - MORNSUN Science& Technology Ltd. |
4 / 5 page DC/DC Converter A_S-2WR2 & B_S-2WR2 series 2015.04.20-A/2 Page 4 of 5 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation B0505S-2WR2 50 55 60 65 70 75 80 85 90 95 100 4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5 Input Voltage(V) Efficiency Vs Innput Voltage (Full Load) B0505S-2WR2 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Output Current Percentage(%) Efficiency Vs Output Load(Vin=5V) B1212S-2WR2 50 55 60 65 70 75 80 85 90 95 100 10.8 11.1 11.4 11.7 12.0 12.3 12.6 12.9 13.2 Input Voltage(V) Efficiency Vs Input Voltage (Full Load) B1212S-2WR2 0 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 Output Current Percentage(%) Efficiency Vs Output Load(Vin=12V) Design Reference 1. Typical application circuit If it is required to further reduce input and output ripple, a filter capacitor may be connected to the input and output terminals, see Fig.3. Moreover, choosing a suitable filter capacitor is very important, start-up problems may be caused if the capacitance is too large. Under the condition of safe and reliable operation, the recommended capacitive load values are shown in Table 1. Vin GND +Vo 0V DC Cin DC Cout Cout -Vo Dual Output Single Output Vin GND +Vo 0V DC Cin DC Cout Fig.3 Recommended capacitive load value table (Table 1) Vin (VDC) Cin (μF) Single Vo (VDC) Cout (μF) Dual Vo (VDC) Cout (μF) 54.7 3.3/5 10 ±3.3/±5 4.7 9/12 2.2 9/12 2.2 ±9/±12 1 15 2.2 15/24 1 ±15/±24 0.47 24 1 -- -- -- -- 2. EMC typical recommended circuit (CLASS B) Vin GND +Vo -Vo (0V) DC/DC LOAD LDM C1 Vin GND C3 C2 CY Fig. 4 Input voltage (VDC) 5/9/12/15 24 EMI C1/C2 4.7μF /50V CY -- 1nF/2KV C3 Refer to the Cout in Fig.3 LDM 6.8μH Note: 1. 24V input series is subject to CY (CY : 1nF/2KV). 2. It is not needed to add the component in the peripheral circuit when parameter with the symbol of "--". |
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