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URB4812D-5W Datasheet(PDF) 2 Page - MORNSUN Science& Technology Ltd. |
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URB4812D-5W Datasheet(HTML) 2 Page - MORNSUN Science& Technology Ltd. |
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2 / 2 page  MORNSUN reserves the copyright Specifications subject to change without notice. URA_D-5W & URA_D-5W A/3-2008 Page 2 of 2 OUTPUT SPECIFICATIONS APPLICATION NOTE Item Test Conditions Min Typ Max Units Output Power See above products program 5 W Positive Voltage Accuracy Refer to recommended circuit ±1 ±3 Negative Voltage Accuracy Refer to recommended circuit ±3 ±5 Load Regulation From 10% To 100% load ±0.5 ±1* Line Regulation(at full load) Input voltage from low to high ±0.2 ±0.5 % Temperature Drift(Vout) Refer to recommended circuit 0.02 %/ °C Ripple** 20MHz bandwidth 30 50 Noise** 20MHz bandwidth 75 150 mVp-p Switching Frequency 100% load, nominal Input voltage 300 KHz *Dual output models unbalanced load: ±5%. **Test ripple and noise by “parallel cable” method. See detailed operation instructions at Testing of Power Converter section, application notes. Note: 1.All specifications measured at TA=25°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. TYPICAL CHARECTERISTICS Operating Temp.( ) C Temperature Derating Graph OUTLINE DIMENSIONS & FOOTPRINT DETAILS FOOT PRINT DETAILS Pin Single Dual Note: Unit:mm(inch) Pin diameter:0.80mm(0.031inch) Pin diameter tolerances: 0.05mm( 0.002inch) General tolerances: 0.25mm( 0.010inch) Dual Output Single Output First Angle Projection 1 2 3 4 5 GND Vin +Vo 0V GND Vin +Vo 0V -Vo No Pin Bottom View Side View RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) 27.50 3 (1.083) 10.16 (0.400) 10.16 (0.400) 5.08 (0.200) Recommended Circuit All the URA_D-5W & URB_D-5W Series have been tested according to the following recommended testing circuit before leaving factory. This series should be tested under load. Never be tested under no load (see Figure 1). DC DC Vin GND +Vout 0V Cin Vin GND +Vout 0V Cin DC DC -Vout Dual Output Single Output (Figure 1) If you want to further decrease the 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 (VDC) Cin (uF) Vout (VDC) Cout 12 100 5 24 100 12 48 100 15 -- -- 24 100uF/ 1A |
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