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WRB1209YES-2W Datasheet(PDF) 2 Page - Microdc power Technology Co., Ltd |
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WRB1209YES-2W Datasheet(HTML) 2 Page - Microdc power Technology Co., Ltd |
2 / 3 page WR WRB- B-Y YE ES- S-1 1W W& & WRB WRB--Y YE ES- S-2 2W W http://www.microdc.cn Technical Enquiries-Email:tech@microdc.cn Tel:0086-20-86000646 Page 2 of 3 TEMPERATURE TEMPERATURE CHARACTERISTICS CHARACTERISTICS Parameter Conditions Min. Typ. Max. Units Storage humidity range 95 % NO-load power consumption 120 °C Operating temperature -25 71 °C Storage temperature -55 125 °C Lead temperature 1.5mm from case for 10 seconds 300 °C Temp.rise at full load 15 35 °C Cooling Free air convection Case material Non-Conductive Plastic(UL94-V0) Short circuit protection * Continuous,automatic recovery MTBF 1000 K hours Weight 6.6 g *Supply voltage must be discontinued at the end of short circuit duration. ISOLATION ISOLATION SPECIFICATIONS SPECIFICATIONS Parameter Test conditions Min. Typ. Max. Units Isolation test voltage Flash tested for 1 minute and 1mA max 1500 VDC Isolation resistance Test at Viso=500VDC 1000 MΩ Isolation capacitance 100KHz,1v 35 80 pF APPLICATION APPLICATION NOTE NOTE SIZE Graph 1) Recommended circuit If you want to further decrease the input/output ripple, an ”LC” filtering network may be connected to the input and output ends of the DC/DC converter, see (Figure 1). Lin 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: 5V,12V 100PF 24V,48V 10uF Cout: 47PF(typ.) Lin: 4.7PH ~120PH Lout: 2.2PH ~10PH 2) Input current While using unstable power source, please ensure the output voltage and ripple voltage do not exceed indexes of the converter. The preceding power source must be able to provide for converter sufficient starting current Ip. General: Ip≤1.4*Iin-max 3) No parallel connection or plug and play TYPICAL TYPICAL CHARACTERISTICS CHARACTERISTICS Temperature Derating Graph RECOMMENDED RECOMMENDED CIRCUIT CIRCUIT OUTPUT GRAPH SIMPLIFIED SCHEMATIC TYPICAL APPLICATIONS EXTERNAL CAPACITOR TABLE (TABLE 1) Single Single Vout Vout Cout Cout (VDC) (μF) 5 680 9 560 12 470 15 330 IINPUT NPUT S SPECIFICATIONS PECIFICATIONS Parameter conditions Input voltage 2:1 input range Input filter Pi network |
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