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| WRA_N-2W & WRB_N-2W Series 2W, WIDE INPUT, ISOLATED®ULATED DUAL/SINGLE OUTPUT DIP DC-DC CONVERTER multi-country patent protection RoHS FEATURES Miniature DIP Package Wide (2:1) Input Range Operating Temperature: -40C to +85C 1500VDC Isolation No Heat Sink Required No External Component Required Industry Standard Pinout Internal SMD construction Short circuit protection(automatic recovery) RoHS Compliance PRODUCT PROGRAM Input Part Number WRA1205N-2W WRA1209N-2W WRA1212N-2W WRA1215N-2W WRB1203N-1W6 WRB1205N-2W WRB1209N-2W WRB1212N-2W WRB1215N-2W 12 9-18 22 Voltage (VDC) Nominal Range Max* Voltage (VDC) 5 9 12 15 3.3 5 9 12 15 5 9 12 15 24 18-36 40 3.3 5 9 12 15 Output Current (mA) Max 200 111 83 67 500 400 222 167 133 200 111 83 67 500 400 222 167 133 Min 20 11 8 7 50 40 22 16 13 20 11 8 7 50 40 22 16 13 75 76 78 78 70 74 76 78 78 76 77 78 79 72 76 78 80 79 Efficiency (%, Typ) APPLICATIONS The WRA_N-2W & WRB_N-2W Series are specially designed for applications where a wide range input voltage power supplies are isolated from the input power supply in a distributed power supply system on a circuit board. These products apply to: 1) Where the voltage of the input power supply is wide range (voltage range2:1); 2) Where isolation is necessary between input and output(isolation voltage1500VDC); 3) Where the regulation of the output voltage and the output ripple noise are demanded. WRA2405N-2W WRA2409N-2W WRA2412N-2W WRA2415N-2W WRB2403N-1W6 WRB2405N-2W WRB2409N-2W WRB2412N-2W WRB2415N-2W *Input voltage can't exceed this value, or will cause the permanent damage. Note: The load shouldn't be less than 10%, otherwise ripple will increase dramatically. Operation under 10% load will not damage the converter; However, they may not meet all specification listed. OUTPUT SPECIFICATIONS Item Output power Test conditions Refer to above products program Refer to recommended circuit Min 0.2 1 3 0.5 0.2 Typ Max 2 3 5 1* 0.5 0.03 50 300 100 %/C mVp-p KHz % Units W MODEL SELECTION WRB2405N-2W Rated Power Package Style Output Voltage Input Voltage Product Series Positive voltage accuracy Negative voltage accuracy Refer to recommended circuit Load regulation Line regulation Temperature drift Ripple & Noise** Switching frequency From 10% to 100% load Input Voltage From Low to High Refer to recommended circuit 20MHz bandwidth 100% load, input voltage range *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. MORNSUN Science & Technology co.,Ltd. Address: 2th floor 6th building, Hangzhou Industrial District, Guangzhou, China Tel: 86-20-38601850 Fax: 86-20-38601272 http://www.mornsun-power.com ISOLATION SPECIFICATIONS Item Isolation voltage Isolation resistance Isolation Capacitance Test conditions Tested for 1 minute and 1 mA max Test at 500VDC Input/Output WRA_N_2W&WRB_N_2W Min 1500 1000 Typ Max Units VDC M 85 A/1-2008 pF Page 1 of 2 MORNSUN reserves the copyright Specifications subject to change without notice. COMMON SPECIFICATIONS Item Storage humidity Operating temperature Storage temperature Temp. rise at full load Lead temperature No-load power consumption Cooling Short circuit protection Case material MTBF Weight 1000 4.8 1.5mm from case for 10 seconds 0.2 Free air convection Continuous, automatic recovery Plastic(UL94-Vo) K hours g -40 -55 15 300 W Test Conditions Min Typ Max 95 85 125 C Units % Recommended Circuit All the WRA_N-2W & WRB_N-2W Series have been tested according to the following recommended testing circuit before leaving factory (Figure 1). This series should be tested under load. Vin Ci n +Vout DC DC 0V -Vout GND Single Output Vin Cin +Vout DC DC 0V GND (Figure 1) If you want to further you decrease can the Note: 1. All specifications measured at TA=25C, humidity<75%, nominal input voltage and rated output load unless otherwise specified. 2. See below recommended circuits for more details. input/output ripple, increase TYPICAL CHARACTERISTICS capacitance properly or choose capacitors with low ESR. However, the capacitance of the output filter capacitor must be proper. If the capacitance is too big, a startup problem might arise. For every channel of output, provided the safe and reliable operation is ensured, the greatest capacitance of its filter capacitor sees (Table 1).General: Cin: 12V 100F 100 Operating Temp.( C ) OUTLINE DIMENSIONS & FOOTPRINT DETAILS First Angle Projection 23.80(0.937) (0.070) RECOMMENDED FOOTPRINT Top view,grid:2.54mm(0.1inch), diameter:1.00mm(0.039inch) 13.70(0.539) (0.400) 1 Bottom view 16 8 Single/ Dual Output 10 9 3.01 (0.119) 15.24 (0.600) 24V 10F-47F Cout: 10F/100mA External Capacitor Table(Table 1) Single Vout Cout Dual Vout (VDC) (uF) (VDC) 3.3 2200 5 5 1000 9 9 680 12 12 470 15 15 330 - Cout (uF) 680 470 330 220 - 16 10 9 Input Current When it is used in unregulated power supply, be sure that the fluctuating range of the power supply and the rippled voltage do not exceed the module standard. Input current of power supply should afford the startup current of this 1 78 7.62 (0.300) 4.10 (0.161) Side view FOOTPRINT DETAILS Pin Single GND NC NC Dual GND NC 0V +Vo -Vo Vin kind of DC/DC module (Figure 2) General: Ip 1.4*Iin-max: Input Current(A) 2.54 (0.100) Note: Unit:mm(inch) Pin diameter:0.50mm(0.020inch) Pin diameter tolerances: 0.05mm( 0.002inch) General tolerances: 0.25mm( 0.010inch) 7 8 9 +Vo 0V 10 Vin 16 NC:No Connection Ip APPLICATION NOTE Requirement on 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% load. If the actual load is less than the specified minimum load, the output ripple may increase sharply while its efficiency and reliability will reduce greatly. 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. Input Voltage Range Input Voltage (V) No parallel connection or plug and play. MORNSUN reserves the copyright Specifications subject to change without notice. WRA_N_2W&WRB_N_2W A/1-2008 Page 2 of 2 |
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