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B0505RT-1WR2 Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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B0505RT-1WR2 Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 4 page DC/DC Converter B_RN-1WR2 & B_RT-1WR2 series 2014.05.06-A/0 Page 2 of4 MORNSUN Guangzhou Science & Technology Co., Ltd. reserves the copyright and right of final interpretation Storage Humidity Non-condensing -- -- 95 % Switching Frequency 100% load, nominal input voltage -- 100 300 KHz MTBF MIL-HDFK-217F@25°C 3500 -- -- K hours Physical Specifications Casing Material Black flame-retardant heat-proof epoxy resin (UL94-V0) Package Dimensions B_RN-1WR2 19.50*9.50*4.68mm B_RT-1WR2 19.50*10.53*5.00mm Weight 1.4g(Typ.) Cooling Method Free air convection EMC Specifications EMI Conducted disturbance CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit) Radiated emission CISPR22/EN55022 CLASS B (see Fig. 4 for recommended circuit) EMS Electrostatic discharge IEC/EN61000-4-2 Contact ±6KV Air ±8KV perf. Criteria B Product Characteristic Curve Tolerance Envelope Graph +10% +5% 50 100 +2.5% -2.5% -7.5% Rated Output Voltage Output Current Percentage(%) Typical Load Curve 70 (Nominal Input Voltage) Fig.1 120 100 80 60 40 20 0 -40 0 40 85 105 120 Ambient Temp.() ℃ Temperature D erating Curve Safe Operating Area Fig.2 B0505RN(RT)- 1WR2 50 55 60 65 70 75 80 85 90 95 100 Input Voltage(V) Efficiency Vs Input Voltage (Full Load) B0505RN(RT)- 1WR2 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=Vin-nominal) 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 Fig.3 Recommended capacitive load value table (Table 1) Vin(VDC) Cin(µF) Vo (VDC) Cout(µF) 5 4.7 5 10 It is not recommended to connect any external capacitor when output power is less than 0.5W. |
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