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VRB2405D-40W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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VRB2405D-40W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 2 page MORNSUN reserves the copyright Specifications subject to change without notice. VRB_D-40W A/0-2008 Page 2 of 2 COMMON SPECIFICATION RECOMMENDED CIRCUIT Item Test Conditions Min Typ Max Units Storage Humidity 5 95 % Operating Temperature -40 +85 Storage Temperature -55 +125 Temp. Rise at Full Load 70 Lead Temperature 1.5mm from case for 10 seconds 300 °C Isolation voltage Test for 1 minute and 1 mA max 1500 VDC Isolation resistance Test at 500VDC 1000 M Ω Isolation capacitance 100KHz /0.1V 2000 pF DC DC Vin G ND +Vo 0V Cin Cout L 0V +Vo +Sense -S ense Fig.1 In order to abtain better performance for the DC/DC models, it ’s recommened that use input and output filters as Fig.1 shown. Switching Frequency Nominal, full load 300 KHz DERATING & EFFICIENCY CURVE MTBF MIL-HDBK-217F 1000 K hours Weight 60 g Cooling Free Air Convection Case material Nickel- coated copper(six-sided shield) Note: 1. All specifications are measured at TA=25 °C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. The products cannot be used in parallel and in plug and play. 3. The CTRL pin voltage is referenced to GND. 4. Typical Eff value at nominal input voltage and full load. 5. Capacitor MAX load tested at nominal input voltage and constant resistive load. 6. Refer to the diagram of Output Voltage trim up/down for trim applications. OUTLINE DIMENSIONS & PIN CONNECTIONS RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.50mm(0.059inch) Note: Unit:mm(inch) Pindiameter:1.00mm(.0.039inch) Pin diameter tolerances: 0.05mm( 0.002inch) General tolerances: 0.25mm( 0.010inch) + + + + FO OT PRINT DETAILS Fu nct ion Pin 1 3 7 6 2 Vin -Sense Ct rl +Vo +Sense GND First Angle Projection 3 2 1 5 6 50.80 0.50 + 45.72. 2.54 (2.000 0.020) + (0.100) (1.800) 5 6 3 2 1 7 8 7 8 8 0V Trim 5 9 9 9 Bottom View OUTPUT VOLTAGE TRIM UP/DOWN +Vo Trim 0V Tri m up/down Trim 0V Tri m up Trim 0V Tri m do wn +Vo Tr im ① Temperature derating curve Temperature(℃) 60 ② Efficiency Vs Input voltage VRB4805D-40W Efficiency VS Input voltage 0.820 0.830 0.840 0.850 0.860 0.870 0.880 0.890 0.900 0.910 0.920 36 40 44 48 52 56 60 64 68 75 Input voltage(V) Eff ③ Efficiency Vs Load VRB4805D-40W Efficiency VS Output load 0.700 0.720 0.740 0.760 0.780 0.800 0.820 0.840 0.860 0.880 0.900 0.920 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% Output Load %Po Eff |
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