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SD02H0SK Arkusz danych(PDF) 9 Page - International Rectifier |
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SD02H0SK Arkusz danych(HTML) 9 Page - International Rectifier |
9 / 22 page March 27, 2013 | V2.2 | PD97602 9 IR3475 10A Highly Integrated SupIRBuck TM TYPICAL OPERATING DATA Tested with demoboard shown in Figure 4, VIN = 12V, VCC = 5V, VOUT = 1.05V, Fs = 300kHz, TA = 25 oC, no airflow, unless otherwise specified. 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 0.01 0.1 1 10 Load Current (A) VIN = 12V VIN = 8V VIN = 19V Figure 5: Efficiency vs. Load Current for VOUT = 1.05V 0 50 100 150 200 250 300 350 02468 10 Load Current (A) Figure 7: Switching Frequency vs. Load Current 1.054 1.056 1.058 1.060 1.062 1.064 0 2 468 10 Load Current (A) 12VIN 8VIN 19VIN Figure 9: Load Regulation 45% 50% 55% 60% 65% 70% 75% 80% 85% 90% 95% 0.01 0.1 1 10 Load Current (A) VOUT = 1.05V; L = 1.5µH, 3.8mΩ VOUT = 1.5V; L = 2.2µH, 6mΩ VOUT = 3.3V; L = 3.3µH, 10.8mΩ Figure 6: Efficiency vs. Load Current for VIN = 12V 0 200 400 600 800 1000 1200 1400 200 250 300 350 400 450 500 550 600 650 700 750 Switching Frequency (kHz) 5.0 Vout 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 Figure 8: RFF vs. Switching Frequency 1.054 1.056 1.058 1.060 1.062 1.064 8 9 10 11 12 13 14 15 16 17 18 19 Input Voltage (V) Figure 10: Line Regulation at IOUT = 10A |
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