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PQ40050QGA20 Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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PQ40050QGA20 Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 14 page Product # PQ40050QGA20 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QG350D Rev. A 11/8/04 Page 6 Input: Input: Output: Output: Current: Current: P Package: ackage: 18-75 V 18-75 V 5.0 V 5.0 V 20 A 20 A Quarter-brick Quarter-brick T Technical S echnical Specification pecification 0 2 4 6 8 10 12 14 16 18 20 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 7: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 50 LFM through 400 LFM with air flowing across the converter from pin 3 to pin 1 (48V input). Figure 8: Thermal plot of converter at 17 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter sideways from pin 3 to pin 1 (48V input). 0 2 4 6 8 10 12 14 16 18 20 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 9: Maximum output power-derating curves vs. ambient air tem- perature for airflow rates of 50 LFM through 400 LFM with air flowing from input to output (24V input). Figure 10: Thermal plot of converter at 19 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from input to output (24V input). 0 2 4 6 8 10 12 14 16 18 20 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 11: Maximum output power-derating curves vs. ambient air tem- perature for airflow rates of 50 LFM through 400 LFM with air flowing from input to output (48V input). Figure 12: Thermal plot of converter at 17 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from input to output (48V input). Semiconductor junction temperature is within 1 °C of surface temperature Semiconductor junction temperature is within 1 °C of surface temperature Semiconductor junction temperature is within 1 °C of surface temperature |
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