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PQ40120QGA08PNS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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PQ40120QGA08PNS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
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6 / 14 page  Input: Input: Output: Output: Current: Current: PPackage: ackage: 18-75 V 18-75 V 12.0 V 12.0 V 8.33 A 8.33 A Quarter-brick Quarter-brick T Technical S echnical Specification pecification Product # PQ40120QGA08 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QG128D Rev. A 5/31/07 Page 6 2 3 4 5 6 7 8 9 0 25 40 55 70 85 Ambient Air Temperature (°C) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) Figure 7: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 100 LFM through 400 LFM with air flow- ing across the converter from pin 3 to pin 1 (48V input). Figure 8: Thermal plot of converter at 8.1 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). 2 3 4 5 6 7 8 9 0 25 40 55 70 85 Ambient Air Temperature (°C) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) Figure 9: Maximum output power-derating curves vs. ambient air tem- perature for airflow rates of 100 LFM through 400 LFM with air flow- ing from input to output (24V input). Figure 10: Thermal plot of converter at 8.33 amp load current with 85°C air flowing at the rate of 200 LFM. Air is flowing across the con- verter from input to output (24V input). 2 3 4 5 6 7 8 9 0 25 40 55 70 85 Ambient Air Temperature (°C) 400 LFM (2.0 m/s) 300 LFM (1.5 m/s) 200 LFM (1.0 m/s) 100 LFM (0.5 m/s) Figure 11: Maximum output power-derating curves vs. ambient air tem- perature for airflow rates of 100 LFM through 400 LFM with air flow- ing from input to output (48V input). Figure 12: Thermal plot of converter at 8.1 amp load current with 85°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 |
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