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QRW025A0F1-H Datasheet(PDF) 8 Page - Lineage Power Corporation |
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QRW025A0F1-H Datasheet(HTML) 8 Page - Lineage Power Corporation |
8 / 27 page Lineage Power 8 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 QRW025A0M (VO = 1.5 V) module at room temperature (TA = 25 °C) Figure 7. Input Voltage and Current Characteristics. Figure 8. Converter Efficiency vs. Output Current. Figure 9. Output Ripple Voltage (IO = IO, max). Tested with a 220µF aluminium and a 1.0µF ceramic capacitor across the load. Figure 10. Transient Response to Step Decrease in Load from 50% to 25% of Full Load (VI = 48 Vdc). Figure 11. 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 12. Start-up from Remote On/Off (IO = IO, max). 0 0.2 0.4 0.6 0.8 1 1.2 1.4 25 35 45 55 65 75 IO = 0 A IO = 12.5 A IO = 25 A INPUT VOLTAGE, VI (V) 70 72 74 76 78 80 82 84 86 88 90 0 5 10 15 20 25 VI = 36 V VI = 48 V VI = 75 V OUTPUT CURRENT, IO (A) TIME, t (1 µs/div) 75V, 25A 48V, 25A 36V, 25A TIME, t (50 µs/div) TIME, t (50 µs/div) |
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