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 SYNQOR
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6 page 
Product # PQ60025QPA60 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QP625F Rev. A 12/10/04 Page 6 T Technical S echnical Specification pecification Input: Input: Output: Output: Current: Current: P Package: ackage: 35-75 V 35-75 V 2.5 V 2.5 V 60 A 60 A Quarter-brick Quarter-brick 0 5 10 15 20 25 30 35 40 45 50 55 60 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) 0 5 10 15 20 25 30 35 40 45 50 55 60 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 pin 3 to pin 1 (nominal input voltage and 4 output pins). Figure 10: Thermal plot of converter at 55 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from pin 3 to pin 1 (nominal input voltage and 4 output pins). 0 5 10 15 20 25 30 35 40 45 50 55 60 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 output to input (nominal input voltage and 4 output pins). Figure 12: Thermal plot of converter at 53 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing lengthwise from out- put to input (nominal input voltage and 4 output pins). Figure 7: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 50 LFM through 400 LFM with air flowing from output to input (nominal input voltage and 2 output pins). Figure 8: Thermal plot of converter at 49 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing lengthwise from out- put to input (nominal input voltage and 2 output pins). 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 |
