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TPS2074 Datasheet(PDF) 12 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) 12 Page - Texas Instruments

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TPS2074, TPS2075
FOUR-PORT USB HUB POWER CONTROLLERS
SLVS288A – SEPTEMBER 2000 – REVISED FEBRUARY 2001
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
012
3
4
5
67
89
10
VI(BP) = VI(SP) = 5 V
TA = 25°C
t – time – ms
VI(EN)
(2 V/div)
IO(OUT)
(0.5 A/div)
Figure 13. Short-Circuit Current (SP Switch),
Device Enabled Into Short
01
2
3
4
5
67
89
10
VI(BP) = VI(SP) = 5 V
TA = 25°C
t – time – ms
VO(OC)
(2 V/div)
IO(OUT)
(0.5 A/div)
Figure 14. OC Response (SP Switch),
Device Enabled Into Short
01
2
3
4
5
67
8
9
10
VI(BP) = 5 V
TA = 25°C
t – time – ms
VO(OC)
(2 V/div)
IO(OUT)
(0.1 A/div)
Figure 15. OC Response (BP Switch),
Device Enabled Into Short
VI(BP) = 5 V
TA = 25°C
BP_DIS = 0 V or Open
CL(3.3 V_OUT) = 4.7 µF
RL(3.3 V_OUT) = 33 Ω
CL(PG_DLY) = 0.47 µF
t – time – ms
VO(PG)
(2 V/div)
VO
(3.3V_OUT)
(1 V/div)
Figure 16. SP to BP Automatic
Switchover Enabled
0
2
4
6
8
10
12
14
16
18
20


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