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TPS54418 Fiches technique(PDF) 8 Page - Texas Instruments |
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TPS54418 Fiches technique(HTML) 8 Page - Texas Instruments |
8 / 42 page -3.75 -3.65 -3.55 -3.45 -3.35 -3.25 -3.15 -3.05 -2.95 -2.85 -2.75 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =5V, Ien= Threshold+50mV IN -1.25 -1.15 -1.05 -0.95 -0.85 -0.75 -0.65 -0.55 -0.45 -0.35 -0.25 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =5V, Ien= Threshold-50mV IN 40 45 50 55 60 65 70 75 80 85 90 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =3.3V IN 1.15 1.16 1.17 1.18 1.19 1.2 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.3 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =3.3V,rising IN V =3.3V,falling IN 0 25 50 75 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Vsense-V VsenseFalling VsenseRising 140 160 180 200 220 240 260 280 -50 -25 0 25 50 75 100 125 150 T -JunctionTemperature-°C J V =3.3V IN TPS54418 SLVS946D – SEPTEMBER 2009 – REVISED DECEMBER 2014 www.ti.com Typical Characteristics (continued) Figure 8. Transconductance vs Junction Temperature Figure 7. Switching Frequency vs Vsense Figure 10. Enable Pin Voltage vs Junction Temperature Figure 9. Transconductance (Soft-Start) vs Junction Temperature Figure 11. Pin Current vs Junction Temperature Figure 12. Pin Current vs Junction Temperature 8 Submit Documentation Feedback Copyright © 2009–2014, Texas Instruments Incorporated Product Folder Links: TPS54418 |
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