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WRB0509T-3W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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WRB0509T-3W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
2 / 2 page MORNSUN reserves the copyright For any design change and upgrade, we will not make any prior notification A/1-2007 Page 2 of 2 COMMON SPECIFICATIONS Output Short Circuit Protection Continuous ,Automatic Recovery Temperature Rise at Full Load 15°C (TYP) 35°C(max) Cooling Free Air Convection Operating Temperature Range -40°C~+85°C Storage Temperature Range -50°C ~+125°C Lead Temperature*** 245°C Max. (10sec) Storage Humidity Range ≤ 95% MTBF >1,000,000 hours Note: 217 ( ℃ 70 sec) TYPICAL CHARECTERISTICS Operating Temp.( ) C Temperature Derating Graph FOOTPRINT DETAILS 123 9 101 112 242 32 2 1615141 3 22,23 2,3 14 16 Oth ers Vin GND +Vo 0V NC (Top Vie w) Pin Function OUTLINE DIMENSIONS (Top View) R1.5 [R0.06] 1.5 [0.06] 2.5 [0.10] 32.5 [1.28] 27.9 [1.10] 0.3 [0.01] 8.0 [0.31] 7.5 [0.30] Note: Unit: mm(inch); Tolerance: ±0.25mm. APPLICATION NOTE Output Load In order to ensure the product operate efficiently and reliably, in addition to a max load (namely full load), a minimum load is specified for this kind of DC/DC converter. Make sure the specified range of input voltage is not exceeded, the minimum output load no less than 10% full load, If the actual load is less than the specified minimum load, the output ripple may increase sharply. If the actual output power is very small, please add an appropriate resistor as extra loading,or contact our company for other lower output power products. Recommended Circuit All the WRB_T-3W Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load(Figure 1). DC DC Vin GND Vout 0V Cin If you want to further decrease the input/output ripple, you can increase capacitance properly or choose capacitors with low ESR. However, the capacitance should not be too high(Table 1) External Capacitor Table(Table 1) Vin Cin Cout (0~70 ) ℃ Cout (-40~85 ) ℃ 5V&12V 100uF 24V&48V 22uF 100uF (electrolytic capacitor) 47uF (tantalum capacitor) Recommended Reflow Soldering Profil e Input Current Nominal input voltage range.The input current of the power supply must be sufficient to the startup current (Ip) of the DC/DC module (Figure 2) Input Voltage (V) Input Voltage Range Ip No parallel connection or plug and play. |
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