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TPS54140 Datasheet(PDF) 7 Page - Texas Instruments |
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TPS54140 Datasheet(HTML) 7 Page - Texas Instruments |
7 / 46 page TYPICAL CHARACTERISTICS 0.784 0.792 0.800 0.808 0.816 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =12V I 0 125 250 375 500 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J BOOT-PH=3V BOOT-PH=6V V =12V I 550 570 580 590 600 610 -50 -25 0 25 50 75 100 125 150 560 T -JunctionTemperature-°C J V =12V, RT =200k I W 2 2.5 3 3.5 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =12V I 0 500 1000 1500 2000 2500 0 25 50 75 100 125 150 175 200 RT/CLK-Resistance-kW V =12V, T =25°C I J 0 200 400 600 800 1000 100 200 300 400 500 600 700 800 900 1000 RT/CLK-Resistance-kW V =12V, T =25°C I J TPS54140 www.ti.com .............................................................................................................................................................................................. SLVS889 – OCTOBER 2008 ON RESISTANCE vs JUNCTION TEMPERATURE VOLTAGE REFERENCE vs JUNCTION TEMPERATURE Figure 1. Figure 2. SWITCH CURRENT LIMIT vs JUNCTION TEMPERATURE SWITCHING FREQUENCY vs JUNCTION TEMPERATURE Figure 3. Figure 4. SWITCHING FREQUENCY vs RT/CLK RESISTANCE HIGH SWITCHING FREQUENCY vs RT/CLK RESISTANCE LOW FREQUENCY RANGE FREQUENCY RANGE Figure 5. Figure 6. Copyright © 2008, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Link(s): TPS54140 |
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