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TPS2074DBR Datasheet(PDF) 11 Page - Texas Instruments |
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TPS2074DBR Datasheet(HTML) 11 Page - Texas Instruments |
11 / 25 page TPS2074, TPS2075 FOUR-PORT USB HUB POWER CONTROLLERS SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001 11 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 PARAMETER MEASUREMENT INFORMATION 0 400 800 1200 1600 2000 2400 2800 3200 3600 4000 VI(BP) = 5 V TA = 25°C CL(PG_DLY) = 0.47 µF t – time – ms VO (3.3V_OUT) (2 V/div) VO (PG_DLY) (2 V/div) Figure 9. PG_DLY Rise Time With a 0.47- µF Capacitor 0 100 200 300 400 500 600 700 800 900 1000 VI(BP) = 5 V TA = 25°C CL(PG_DLY) = 0.47 µF t – time – ms VO (3.3V_OUT) (2 V/div) VO(PG) (2 V/div) Figure 10. Turnon Delay (3.3V_OUT to PG) 01 2 3 4 5 67 8 9 10 VI(BP) = 5 V TA = 25°C CL(PG_DLY) = 0.47 µF t – time – ms VO (3.3V_OUT) (2 V/div) VO(PG) (2 V/div) Figure 11. Turnoff Time (3.3V_OUT to PG) 01 2 3 4 5 67 89 10 VI(BP) = 5 V TA = 25°C t – time – ms VI(EN) (2 V/div) IO(OUT) (0.1A/div) Figure 12. Short-Circuit Current (BP Switch), Device Enabled Into Short |
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