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TPS2105DG4 Fiches technique(PDF) 10 Page - Texas Instruments |
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TPS2105DG4 Fiches technique(HTML) 10 Page - Texas Instruments |
10 / 19 page TPS2104, TPS2105 VAUX POWER-DISTRIBUTION SWITCHES SLVS235A – SEPTEMBER 1999 – REVISED APRIL 2000 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 9 100 10 1 0.01 0.1 1 10 1000 IN1 SWITCH FALL TIME vs OUTPUT CURRENT 10000 100 1000 CL = 100 µF CL = 47 µF CL = 10 µF CL = 1 µF IO – Output Current – mA VI(IN1) = 5 V VI(IN2) = 0 V TJ = 25°C Figure 10 10 1 0.1 0.01 0.1 100 IN2 SWITCH FALL TIME vs OUTPUT CURRENT 1000 1 100 IO – Output Current – mA VI(IN1) = 0 V VI(IN2) = 5 V TJ = 25°C 10 CL = 47 µF CL = 10 µF CL = 100 µF CL = 1 µF Figure 11 0.4 0.2 0 0.01 0.1 0.6 0.8 1 1 100 OUTPUT VOLTAGE DROOP vs OUTPUT CURRENT WHEN OUTPUT IS SWITCHED FROM IN2 TO IN1† CL = 100 µF CL = 10 µF CL = 1 µF CL = 220 µF IO – Output Current – mA VI(IN1) = 5 V VI(IN2) = 5 V TJ = 25°C CL = 47 µF 10 Figure 12 2 1 0 0 100 200 300 2.5 3 INRUSH CURRENT vs OUTPUT CAPACITANCE 3.5 400 500 1.5 0.5 Co – Output Capacitance – µF VI(IN1) = 5 V VI(IN2) = 0 V RL = 10 Ω TJ = 25°C † If switching from IN1 to IN2, the voltage droop is much smaller. Therefore, the load capacitance should be chosen according to the curves in Figure 15. |
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