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PQ30033QGA25NKS Datasheet(PDF) 5 Page - SynQor Worldwide Headquarters |
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PQ30033QGA25NKS Datasheet(HTML) 5 Page - SynQor Worldwide Headquarters |
5 / 14 page Product # PQ30033QGA25 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2QG33LU Rev. B 4/28/05 Page 5 Input: Input: Output: Output: Current: Current: P Package: ackage: 18-60 V 18-60 V 3.3 V 3.3 V 25 A 25 A Quarter-brick Quarter-brick T Technical S echnical Specification pecification 60 65 70 75 80 85 90 95 0 5 10 15 20 25 Load Current (A) 18 Vin 48 Vin 60 Vin Figure 1: Efficiency at nominal output voltage vs. load current for min- imum, nominal, and maximum input voltage at 25°C. 86 87 88 89 90 91 92 100 200 300 400 Air Flow (LFM) 25 C 40 C 55 C Figure 2: Efficiency at nominal output voltage and 60% rated power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C (48V input). 0 1 2 3 4 5 6 7 8 9 10 11 12 0 5 10 15 20 25 Load Current (A) 18 Vin 48 Vin 60 Vin Figure 3: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 3 4 5 6 7 8 100 200 300 400 Air Flow (LFM) 25 C 40 C 55 C Figure 4: Power dissipation at nominal output voltage and 60% rated power vs. airflow rate for ambient air temperatures of 25°C, 40°C, and 55°C (48V input). 0 5 10 15 20 25 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) Figure 5: 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 (24V input). Figure 6: Thermal plot of converter at 25 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 (24V input). Semiconductor junction temperature is within 1 °C of surface temperature |
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