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NQ03025HMA15OVN Datasheet(PDF) 7 Page - SynQor Worldwide Headquarters |
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NQ03025HMA15OVN Datasheet(HTML) 7 Page - SynQor Worldwide Headquarters |
7 / 17 page Product # NQ03xxxVMA15 Phone 1-888-567-9596 Doc.# 005-2NV3xxE Rev. E 6/24/04 Page 7 Performance Curves 3.0 - 3.6Vin 15A Non-Isolated Non-Isolated SIP Converter SIP Converter 65 70 75 80 85 90 95 100 01 23 456 78 9 10 11 12 13 14 15 Load Current (A) 2.5 Vo 1.8 Vo 1.5 Vo 1.2 Vo 0.9 Vo Figure 1: Efficiency at nominal output voltage vs. load current for all modules at 25°C and nominal input voltage. 86 87 88 89 90 91 92 93 94 0 100 200 300 400 500 Air Flow (LFM) 25 C 40 C 55 C Figure 2: Efficiency at 1.5Vout and 60% rated power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C (nominal input voltage). 0.00 0.25 0.50 0.75 1.00 1.25 1.50 1.75 2.00 2.25 2.50 2.75 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Load Current (A) 2.5 Vo 1.8 Vo 1.5 Vo 1.2 Vo 0.9 Vo Figure 3: Power dissipation at nominal output voltage vs. load current for all modules at 25°C and nominal input voltage. 0.0 0.5 1.0 1.5 2.0 2.5 0 100 200 300 400 500 Air Flow (LFM) 25 C 40 C 55 C Figure 4: Power dissipation at 1.5Vout and 60% rated power vs. air- flow rate for ambient air temperatures of 25°C, 40°C, and 55°C (nomi- nal input voltage). 0 2 4 6 8 10 12 14 16 0 2540 5570 85 Ambient Air Temperature (oC) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) 50 LFM (0.25 m/s) Figure 5: Maximum output power derating curves vs. ambient air tem- perature for 0.9Vout unit. Airflow rates of 50 LFM - 400 LFM with air flowing across the converter from pin 11 to pin 1 (Vin nom, vert mount). Figure 6: Thermal plot of 0.9V converter at 15 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the con- verter sideways from pin 11 to pin 1 (Vin nom, vert mount). Semiconductor junction temperature is within 1 °C of surface temperature |
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