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BQ55090QTA27PKS-G Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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BQ55090QTA27PKS-G Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 14 page Product # BQ55090QTA27 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BQ559J Rev. C 04/02/09 Page 6 Input: Output: Current: Package: 36-55 V 9.6 V 27A Quarter-brick Technical Specification 94.0 94.5 95.0 95.5 96.0 96.5 97.0 100 200 300 400 Air Flow (LFM) 25º C 40º C 55º C 70 75 80 85 90 95 100 0 10 20 30 40 Load Current (A) 35 Vin 48 Vin 55 Vin 0 2 4 6 8 10 12 14 0 10 20 30 40 Load Current (A) 35 Vin 48 Vin 55 Vin 4 5 6 7 8 100 200 300 400 Air Flow (LFM) 25º C 40º C 55º C 0 10 20 30 40 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) Semiconductor junction temperature is within 1°C of surface temperature BQ55090QTA27 Figures 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 curve vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM with air flowing from pin 1 to pin 3 (nominal input voltage). Figure 6: Thermal plot of converter at 30 A load current (268 W) with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter from pin 1 to pin 3 (nominal input voltage). |
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