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ISL8270MEVAL1Z Datasheet(PDF) 10 Page - Renesas Technology Corp |
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ISL8270MEVAL1Z Datasheet(HTML) 10 Page - Renesas Technology Corp |
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10 / 56 page ![]() ISL8270M FN8635 Rev.4.00 Page 10 of 56 Aug 17, 2017 Typical Performance Curves Efficiency Performance Operating condition: TA = +25°C, no air flow. COUT = 1340µF. Typical values are used unless otherwise noted. FIGURE 4. EFFICIENCY vs OUTPUT CURRENT AT VIN = 5V, fSW = 550kHz FOR VARIOUS OUTPUT VOLTAGES FIGURE 5. EFFICIENCY vs SWITCHING FREQUENCY AT VIN = 5V, IOUT = 25A FOR VARIOUS OUTPUT VOLTAGES FIGURE 6. EFFICIENCY vs OUTPUT CURRENT AT VIN = 9V, fSW = 550kHz FOR VARIOUS OUTPUT VOLTAGES FIGURE 7. EFFICIENCY vs SWITCHING FREQUENCY AT VIN = 9V, IOUT = 25A FOR VARIOUS OUTPUT VOLTAGES FIGURE 8. EFFICIENCY vs OUTPUT CURRENT AT VIN = 12V, fSW = 550kHz FOR VARIOUS OUTPUT VOLTAGES FIGURE 9. EFFICIENCY vs SWITCHING FREQUENCY AT VIN = 12V, IOUT = 25A FOR VARIOUS OUTPUT VOLTAGES 60 65 70 75 80 85 90 95 100 1 3 5 7 9 11 13 15 17 19 21 23 25 IOUT (A) 0.8V 1V 1.2V 1.8V 2.5V 3.3V 80 82 84 86 88 90 92 94 96 300 400 500 600 700 800 900 SWITCHING FREQUENCY (kHz) 3.3V 2.5V 1.8V 1.2V 0.8V 1V 60 65 70 75 80 85 90 95 100 1 3 5 7 9 11 13 15 17 19 21 23 25 IOUT (A) 1.2V 1V 2.5V 1.8V 3.3V 0.8V 0.8V 5V (727kHz) SWITCHING FREQUENCY (kHz) 300 400 500 600 700 800 900 78 82 84 86 88 90 92 96 80 94 1.8V 0.8V 1V 1.2V 5V 2.5V 3.3V 1.8V 3.3V 5V (727kHz) 1 3 5 7 9 11 13 15 17 19 21 23 25 IOUT (A) 2.5V 0.8V 1.2V 1V 60 65 70 75 80 85 90 95 100 78 82 84 86 88 90 92 96 80 94 SWITCHING FREQUENCY (kHz) 300 400 500 600 700 800 900 1.2V 2.5V 3.3V 1.8V 0.8V 1V 5V |
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