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PQ60050QML15NRS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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PQ60050QML15NRS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 13 page Product # PQ60050QML15 Phone 1-888-567-9596 Doc.# 005-2QM650E Rev. A 9/16/02 Page 6 Performance Curves 48Vin 5.0Vout 15A Quarter Quarter Brick Brick 0 2 4 6 8 10 12 14 16 0 25 4055 7085 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 7: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 0 LFM through 400 LFM with air flowing from input to output (nominal input voltage). Figure 8: Thermal plot of converter at 12.5 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing across the converter lengthwise from input to output.(nominal input voltage). Figure 9: Turn-on transient at full load (resistive load) (2 ms/div) Ch1: Vout (2V/div) Ch2: ON/OFF input (5V/div) Figure 10: Turn-on transient at zero load (2 ms/div). Ch1: Vout (2V/div) Ch2: ON/OFF input (5V/div) Figure 11: Output voltage response to step-change in load current (50%-75%-50% of Iout(max); dI/dt = 0.1A/µs). Load cap: 15µF, 450 m Ω ESR tantalum capacitor and 1µF ceramic capacitor. Ch1: Vout (200mV/div), Ch2: Iout (5A/div). Figure 12: Output voltage response to step-change in load current (50%-75%- 50% of Iout(max): dI/dt = 5A/µs). Load cap: 470µF, 30 m Ω ESR tantalum capacitor and 1µF ceramic cap. Ch1: Vout (200mV/div), Ch2: Iout (5A/div). Semiconductor junction temperature is within 1 °C of surface temperature |
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