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IR3840AM Fiches technique(PDF) 8 Page - International Rectifier |
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IR3840AM Fiches technique(HTML) 8 Page - International Rectifier |
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8 / 34 page ![]() Rev 11.0 PD-97505 IR3840AMPbF 8 Typical Efficiency and Power Loss Curves Vin=12V, Vcc=5V, Io=2A-14A, F s=600kHz, Room Temperature, No Air Flow The table below shows the inductors used for each of the output voltages in the efficiency measurement. 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 2345 678 9 10 11 12 13 14 Load Current (A) 0.9V 1.0V 1.1V 1.2V 1.5V 1.8V 2.5V 3.3V 5.0V 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 1 2 3 4 5 6 7 8 9 1011121314 Load Current (A) 0.9V 1.0V 1.1V 1.2V 1.5V 1.8V 2.5V 3.3V 5.0V Vout (V) L( μH) P/N DCR (m Ω) 0.90 0.22 59PR9873N 0.29 1.00 0.3 59PR9874N 0.29 1.10 0.3 59PR9874N 0.29 1.20 0.3 59PR9874N 0.29 1.50 0.4 59PR9875N 0.29 1.80 0.56 MPC1040LR56 1.3 2.50 0.56 MPC1040LR56 1.3 3.30 0.88 MPC1040LR88 2.3 5.00 0.88 MPC1040LR88 2.3 |
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