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PQ50050HPB50 Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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PQ50050HPB50 Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
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6 / 14 page 
Product # PQ50050HPB50 Phone 1-888-567-9596 www.synqor.com Doc.# 005-0005487 Rev. A 03/18/10 Page 6 Input: Output: Current: Part No.: 70 75 80 85 90 95 100 0 5 10 15 20 25 30 35 40 45 50 Load Current (A) 44 Vin 48 Vin 52 Vin 0 2 4 6 8 10 12 14 16 18 20 22 24 0 5 10 15 20 25 30 35 40 45 50 Load Current (A) 44 Vin 48 Vin 52 Vin 89 90 91 92 93 94 95 0 100 200 300 400 Air Flow (LFM) 25º C 40º C 55º C 0 10 20 30 40 50 0 25 40 55 70 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) 0 LFM (0.0 m/s) 0 1 2 3 4 5 6 7 0 5 10 15 20 25 30 35 40 45 50 55 60 Load Current (A) 44 Vin 48 Vin 52 Vin Figure 1: Efficiency at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°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 (nominal input voltage). Figure 3: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°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 (nominal input voltage). Figure 5: Maximum output power derating curves (no heatsink) vs. ambient air temperature for airflow rates of 0 LFM through 400 LFM with air flowing from input to output (nominal input voltage). Figure 6: Output voltage vs. load current showing typical current limit curves and converter shutdown points. 8 9 10 11 12 13 14 0 100 200 300 400 Air Flow (LFM) 25º C 40º C 55º C |
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