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BQ57120QZB67 Datasheet(PDF) 7 Page - SynQor Worldwide Headquarters |
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BQ57120QZB67 Datasheet(HTML) 7 Page - SynQor Worldwide Headquarters |
7 / 13 page Input: 40-65 V Output: 12 V Current: 67A Package: Quarter-brick Product # BQ57120QZB67 Phone 1-888-567-9596 www.synqor.com Doc.# 005-0006523 Rev. B 05/12/15 Page 7 Input: 40-65 V Output: 12 V Current: 67A Package: Quarter-brick 0 10 20 30 40 50 60 70 25 40 50 60 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) 0 100 200 300 400 500 600 700 800 25 40 50 60 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) Figure 7: Max output power derating curves vs. ambient air temperature for airflow rates of 100 LFM through 400 LFM with air flowing across the converter from output to input (nominal input voltage). Figure 8: Thermal plot of converter at 38.3 A load current (389 W) with 55 °C air flowing at the rate of 200 LFM. Air is flowing across the converter from output to input (nominal input voltage). Figure 9: Turn-on transient at 50% load (resistive load) (5 ms/div). Load cap: 5 mF output capacitance. Input voltage pre-applied. Ch 1: Vout (2 V/div), Ch 2: ON/OFF input (2 V/div). Figure 10: Turn-on transient at zero load (5 ms/div). Load cap: 5 mF output capacitance. Ch 1: Vout (2 V/div), Ch 2: ON/OFF input (2 V/div). Figure 11: Output voltage response to step-change in load current (50%-75%- 50% of Iout(max); dI/dt = 0.1 A/µs). Load cap: 15 µF tantalum cap and 1 µF ceramic cap. Ch 1: Vout (1 V/div), Ch 2: Iout (20 A/div). Figure 12: Output voltage response to step-change in load current (50%-75%- 50% of Iout(max): dI/dt = 1 A/µs). Load cap: 15 µF, 30 mΩ ESR tantalum cap and 1 µF ceramic cap. Ch 1: Vout (1 V/div), Ch 2: Iout (20 A/div). Technical Figures |
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