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XR79110ELTR-F データシート(PDF) 11 Page - Exar Corporation |
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XR79110ELTR-F データシート(HTML) 11 Page - Exar Corporation |
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11 / 20 page ![]() © 2015 Exar Corporation XR79110 11 / 20 exar.com/XR79110 Rev 2A Efficiency and Package Thermal Derating Unless otherwise noted: TAMBIENT = 25°C, No Air flow, f=500kHz, Schematic from the application information section. Figure 19: Efficiency, VIN=5V Figure 20: Maximum TAMBIENT vs IOUT, VIN=5V Figure 21: Efficiency, VIN=12V Figure 22: Maximum TAMBIENT vs IOUT, VIN=12V Figure 23: Efficiency, VIN=19.6V Figure 24: Maximum TAMBIENT vs IOUT, VIN=19.6V 60 65 70 75 80 85 90 95 100 0.1 1.0 10.0 IOUT (A) 1.8V DCM 1.8V CCM 1.2V DCM 1.2V CCM 50 60 70 80 90 100 110 120 130 12345 6789 10 IOUT (A) 1.2 VOUT 1.8 VOUT 50 60 70 80 90 100 110 120 130 12 345 678 9 10 IOUT (A) 1.0 VOUT 1.8 VOUT 3.3 VOUT 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 0.1 1.0 10.0 IOUT (A) 3.3V DCM 3.3V CCM 2.5V DCM 2.5V CCM 1.8V DCM 1.8V CCM 1.5V DCM 1.5V CCM 1.2V DCM 1.2V CCM 1.0V DCM 1.0V CCM 600kHz 70 72 74 76 78 80 82 84 86 88 90 92 94 96 98 100 0.1 1.0 10.0 IOUT (A) 3.3V DCM 3.3V CCM 2.5V DCM 2.5V CCM 1.8V DCM 1.8V CCM 1.5V DCM 1.5V CCM 1.2V DCM 1.2V CCM 1.0V DCM 1.0V CCM 50 60 70 80 90 100 110 120 130 12345678 9 10 IOUT (A) 1.0 VOUT 1.8 VOUT 3.3 VOUT |
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