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QRW025A0P1 데이터시트(PDF) 14 Page - Lineage Power Corporation |
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QRW025A0P1 데이터시트(HTML) 14 Page - Lineage Power Corporation |
14 / 27 page Lineage Power 14 Data Sheet March 27, 2008 36 Vdc - 75 Vdc Input, 1.2 to 3.3 Vdc Output; 25A QRW025 Series Power Modules; dc-dc Converters Characteristic Curves The following figures provide typical characteristics curves for the QRW025A0G (VO = 2.5 V) module at room temperature (TA = 25 °C) Figure 19. Input Voltage and Current Characteristics. Figure 20. Converter Efficiency vs. Output Current. Figure 21. Output Ripple Voltage (IO = IO, max). Tested with a 220µF aluminium and a 1.0µF ceramic capacitor across the load. Figure 22. Transient Response to Step Decrease in Load from 50% to 25% of Full Load (VI = 48 Vdc). Figure 23. Transient Response to Step Increase in Load from 50% to 75% of Full Load (VI = 48 Vdc). Tested with a 10µF aluminium and a 1.0µF tantalum capacitor across the load. Figure 24. Start-up from Remote On/Off (IO = IO, max). 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 25 35 45 55 65 75 INPUT VOLTAGE, VI (V) IO = 25 A IO = 12.5 A IO = 0 A 70 75 80 85 90 95 0 5 10 15 20 25 OUTPUT CURRENT, IO (A) VI = 36 V VI = 48 V VI = 75 V TIME, t (1 µs/div) TIME, t (100 µs/div) TIME, t (100 µs/div) TIME, t (1 ms/div) |
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