Moteur de recherche de fiches techniques de composants électroniques |
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TPS54872 Fiches technique(PDF) 7 Page - Texas Instruments |
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TPS54872 Fiches technique(HTML) 7 Page - Texas Instruments |
7 / 17 page TPS54872 SLVS436C − JULY 2002 − REVISED FEBRUARY 2005 www.ti.com 7 TYPICAL CHARACTERISTICS Figure 1 0 10 20 30 40 50 60 −40 −15 10 35 60 85 110 135 VI = 5 V, IO = 8 A DRAIN-SOURCE ON-STATE RESISTANCE vs JUNCTION TEMPERATURE TJ − Junction Temperature − °C Figure 2 250 350 450 550 650 750 −40 0 25 85 125 TJ − Junction Temperature − °C INTERNALLY SET OSCILLATOR FREQUENCY vs JUNCTION TEMPERATURE RT = Open Figure 3 200 300 400 500 600 700 800 −40 0 25 85 125 TJ − Junction Temperature − °C EXTERNALLY SET OSCILLATOR FREQUENCY vs JUNCTION TEMPERATURE Figure 4 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 0 1 2 3 4 56 78 IL − Load Current − A DEVICE POWER LOSSES vs LOAD CURRENT TJ = 125°C fs = 700 kHz VI = 5 V Figure 5 2.75 2.90 3.05 3.20 3.35 3.50 3.65 −40 0 25 85 125 TJ − Junction Temperature − °C INTERNAL SLOW-START TIME vs JUNCTION TEMPERATURE 3.80 Figure 6 −20 0 20 40 60 80 100 120 140 1 100 1 k 1 M −200 −180 −160 −140 −120 −100 −80 −60 −40 −20 0 10 10 k 100 k 10 M f − Frequency − Hz ERROR AMPLIFIER OPEN LOOP RESPONSE Phase Gain RL = 10 kΩ, CL = 160 pF, TA = 25°C |
Numéro de pièce similaire - TPS54872 |
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Description similaire - TPS54872 |
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