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LM53603 Datasheet(PDF) 23 Page - Texas Instruments |
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LM53603 Datasheet(HTML) 23 Page - Texas Instruments |
23 / 40 page Output Current (A) 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3 D032 7 Vin 12 Vin 18 Vin Output Current (A) 0.5 1 1.5 2 2.5 3 0 0.5 1 1.5 2 2.5 3 D033 7 Vin 12 Vin 18 Vin 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 80 90 100 110 120 130 140 150 Ambient Temperature (C) LM53603, 3.3V LM53603, 5V LM53602, 3.3V LM53602, 5V C006 Board Area (mm2) 0 500 1000 1500 2000 2500 3000 20 25 30 35 40 45 50 D024 0.5 W 1 W 2 W 23 LM53602, LM53603 www.ti.com SNVSAR0 – NOVEMBER 2016 Product Folder Links: LM53602 LM53603 Submit Documentation Feedback Copyright © 2016, Texas Instruments Incorporated for each layer of a four-layer board; the inner layers are 1 oz. (35 µm), while the outer layers are 2 oz. (70 µm). A typical curve of maximum load current versus ambient temperature, for both the LM53603 and LM53602, is shown in Figure 18. This data was taken with the device soldered to a PCB with an RθJA of about 17°C/W and an input voltage of 12 V. It must be remembered that the data shown in these graphs are for illustration only and the actual performance in any given application depends on all of the factors mentioned above. Figure 17. RθJA vs Copper Board Area Figure 18. Maximum Output Current vs Ambient Temperature RθJA = 17°C/W, VIN = 12 V Figure 19. IC Power Dissipation vs Output Current for 3.3- V output Figure 20. IC Power Dissipation vs Output Current for 5-V output |
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