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BQ50120QTA20PNS Datasheet(PDF) 5 Page - SynQor Worldwide Headquarters |
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BQ50120QTA20PNS Datasheet(HTML) 5 Page - SynQor Worldwide Headquarters |
5 / 12 page Product # BQ50120QTA20 Phone 1-888-567-9596 www.synqor.com Doc.# 005-2BQ512J Rev. E 03/17/06 Page 5 Input: Input: Output: Output: Current: Current: PPackage: ackage: 42-53 V 42-53 V 12 V 12 V 20 A 20 A Quarter-brick Quarter-brick T Technical S echnical Specification pecification 80 82 84 86 88 90 92 94 96 98 100 0 2 4 6 8 10 12 14 16 18 20 Load Current (A) 42 Vin 48 Vin 52 Vin 0 1 2 3 4 5 6 7 8 9 10 0 2 4 6 8 10 12 14 16 18 20 Load Current (A) 42 Vin 48 Vin 52 Vin Figure 2: Power dissipation at nominal output voltage vs. load current for minimum, nominal, and maximum input voltage at 25°C. 92 93 94 95 96 97 98 0 100 200 300 400 500 Air Flow (LFM) 25 C 40 C 55 C Figure 3: 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). 8 9 10 11 12 13 14 15 0 2 4 6 8 10 12 14 16 18 20 Load Current (A) 42Vin 48Vin 52Vin Figure 4: Output voltage regulation vs. load current for minimum, nom- inal, and maximum input voltage at 25°C. 0 2 4 6 8 10 12 14 16 18 20 025 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 m/s) Figure 5: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 0 LFM through 400 LFM with air flowing from pin 3 to pin 1 (nominal input voltage). Figure 6: Thermal plot of converter at 20 amp load current (240W) 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). Figure 1: Efficiency at nominal output voltage vs. load current for min- imum, nominal, and maximum input voltage at 25°C. Semiconductor junction temperature is within 1°C of surface temperature |
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