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TPS2102 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS2102 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 17 page TPS2102, TPS2103 VAUX POWER-DISTRIBUTION SWITCHES SLVS234A – SEPTEMBER 1999 – REVISED APRIL 2000 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 TYPICAL CHARACTERISTICS Figure 14 100 10 0.1 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 CL = 0.1 µF IO – Output Current – mA VI(IN1) = 3.3 V VI(IN2) = 0 V TJ = 25°C 1 Figure 15 10 1 0.001 0.01 0.1 100 IN2 SWITCH FALL TIME vs OUTPUT CURRENT 1000 1 100 CL = 100 µF CL = 10 µF CL = 1 µF CL = 0.1 µF IO – Output Current – mA VI(IN1) = 0 V VI(IN2) = 3.3 V TJ = 25°C CL = 47 µF 10 0.1 0.01 Figure 16 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 = 0.1 µF IO – Output Current – mA VI(IN1) = 3.3 V VI(IN2) = 3.3 V TJ = 25°C CL = 47 µF 10 CL = 220 µF Figure 17 1 0 0 100 200 300 1.5 2 INRUSH CURRENT vs OUTPUT CAPACITANCE 2.5 400 500 0.5 Co – Output Capacitance – µF VI(IN1) = 3.3 V VI(IN2) = 0 V RL = 6.6 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 16. |
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