поискавой системы для электроныых деталей |
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NE12S0A0H10PNFA датащи(PDF) 9 Page - Delta Electronics, Inc. |
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NE12S0A0H10PNFA датащи(HTML) 9 Page - Delta Electronics, Inc. |
9 / 12 page DS_NE12S10A_07092013 9 THERMAL CURVES (NE12S0A0V10) Figure 25: Temperature measurement location* The allowed maximum hot spot temperature is defined at 109 ℃ NE12S0A0V10(standard) Output Current vs. Ambient Temperature and Air Velocity @Vin=12V Vout=0.9V (Through PCB Orientation) 0 1 2 3 4 5 6 7 8 9 10 11 25 30 35 40 45 50 55 60 65 70 75 80 85 Natural Convection 300LFM Output Current (A) Ambient Temperature (℃) 400LFM 500LFM 100LFM 200LFM 600LFM Figure 26: Output current vs. ambient temperature and air velocity @Vin=12V, Vout=0.9V(Through PCB Orientation) NE12S0A0V10(standard) Output Current vs. Ambient Temperature and Air Velocity @Vin=12V Vout=2.5V (Through PCB Orientation) 0 1 2 3 4 5 6 7 8 9 10 11 25 30 35 40 45 50 55 60 65 70 75 80 85 Natural Convection 300LFM Output Current (A) Ambient Temperature (℃) 400LFM 500LFM 100LFM 200LFM 600LFM Figure 27: Output current vs. ambient temperature and air velocity@ Vin=12V, Vout=2.5V(Through PCB Orientation) THERMAL CONSIDERATION Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of heat transfer. Hence, the choice of equipment to characterize the thermal performance of the power module is a wind tunnel. Thermal Testing Setup Delta’s DC/DC power modules are characterized in heated vertical wind tunnels that simulate the thermal environments encountered in most electronics equipment. This type of equipment commonly uses vertically mounted circuit cards in cabinet racks in which the power modules are mounted. The following figure shows the wind tunnel characterization setup. The power module is mounted on a test PWB and is vertically positioned within the wind tunnel. The space between the neighboring PWB and the top of the power module is constantly kept at 6.35mm (0.25’’). Thermal Derating Heat can be removed by increasing airflow over the module. To enhance system reliability, the power module should always be operated below the maximum operating temperature. If the temperature exceeds the maximum module temperature, reliability of the unit may be affected. MODULE AIR FLOW 11 (0.43”) 50.8 (2.0”) FACING PWB PWB AIR VELOCITY AND AMBIENT TEMPERATURE MEASURED BELOW THE MODULE 22 (0.87 ”) Note: Wind tunnel test setup figure dimensions are in millimeters and (Inches) Figure 24: Wind tunnel test setup |
Аналогичный номер детали - NE12S0A0H10PNFA |
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Аналогичное описание - NE12S0A0H10PNFA |
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