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PQ60033QTA35PKS Datasheet(PDF) 6 Page - SynQor Worldwide Headquarters |
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PQ60033QTA35PKS Datasheet(HTML) 6 Page - SynQor Worldwide Headquarters |
6 / 13 page Product # PQ60033QTA35 Phone 1-888-567-9596 Doc.# 005-2QT633C Rev. C 3/6/03 Page 6 Performance Curves 48Vin 3.3Vout 35A Quarter Quarter Brick Brick 0 5 10 15 20 25 30 35 025 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 7: Maximum output power derating curves vs. ambient air tem- perature for airflow rates of 0 LFM through 400 LFM with air flowing lengthwise from input to output (nominal input voltage). Figure 8: Thermal plot of converter at 32 amp load current with 55°C air flowing at the rate of 200 LFM. Air is flowing lengthwise from input to output (nominal input voltage). Figure 9: Turn-on transient at full rated load (resistive load) (2 ms/div) Ch 1: Vout (1V/div) Ch 2: ON/OFF input (5V/div) Figure 10: Turn-on transient at zero load current (2 ms/div). Ch 1: Vout (1V/div) Ch 2: 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: 10µF, 100 m Ω ESR tantalum capac- itor and 1µF ceramic capacitor. Ch 1: Vout (100mV/div), Ch 2: Iout (10A/div). Figure 12: Output voltage response to step-change in load current (50%-75%- 50% of Iout(max): dI/dt = 1A/µs). Load cap: 470µF, 30 m Ω ESR tantalum capacitor and 1µF ceramic cap. Ch 1: Vout (100mV/div), Ch 2: Iout (10A/div). Semiconductor junction temperature is within 1 °C of surface temperature |
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