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EL7531IY Datasheet(PDF) 5 Page - Intersil Corporation |
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EL7531IY Datasheet(HTML) 5 Page - Intersil Corporation |
5 / 11 page 5 FN7428.9 July 13, 2006 FIGURE 7. PWM MODE LOAD/LINE REGULATIONS vs JUNCTION TEMPERATURE FIGURE 8. NO LOAD QUIESCENT CURRENT (PWM MODE) FIGURE 9. NO LOAD QUIESCENT CURRENT (PFM MODE) FIGURE 10. EFFICIENCY vs IO (PWM MODE) FIGURE 11. LOAD REGULATION (PWM MODE) FIGURE 12. LINE REGULATION @ 500mA (PWM MODE) Performance Curves and Waveforms (Continued) All waveforms are taken at VIN = 3.3V, VO = 1.8V, IO = 1A with component values shown on page 1 at room ambient temperature, unless otherwise noted. -0.7% -0.6% -0.5% -0.4% -0.3% -0.2% -0.1% 0.0% 0.1% -50 0 50 100 150 TJ (°C) VIN = 5V IO = 1A VIN = 3.3V IO = 1A VIN = 3.3V IO = 0A VIN = 5V IO = 0A 0 2 4 6 8 10 12 2.5 3 3.5 44.5 5 VS (V) 140 130 120 100 90 80 70 60 50 2.0 2.5 3.5 4.5 5.0 6.0 VS (V) VO = 3.3V VO = 1.8V VO = 1.5V VO = 1.2V VO = 1.0V VO = 0.8V 110 3.0 4.0 5.5 0 200 400 600 800 1K 1.2K IO (mA) 100 80 60 40 20 0 5MHz 12MHz 1.4MHz 0 200 400 600 800 1K 1.2K IO (mA) 1 0.6 0.2 0 -0.2 -0.6 5MHz 12MHz 1.4MHz 2.5 3 3.5 4 4.5 5 5.5 VIN (V) 0.5 0.3 0.1 -0.1 -0.3 -0.5 5MHz 12MHz 1.4MHz EL7531 |
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