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TPS2074 Datasheet(PDF) 11 Page - Texas Instruments

Part No. TPS2074
Description  FOUR-PORT USB HUB POWER CONTROLLERS
Download  27 Pages
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
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TPS2074 Datasheet(HTML) 11 Page - Texas Instruments

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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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