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TPS2149 Datasheet(PDF) 17 Page - Texas Instruments

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Part # TPS2149
Description  3.3-V LDO AND DUAL SWITCH FOR USB BUS-POWERED HUB POWER MANAGEMENT
PDF  19 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS2149 Datasheet(HTML) 17 Page - Texas Instruments

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TPS2149
TPS2159
SLVS401 – AUGUST 2001
17
www.ti.com
APPLICATION INFORMATION
DP1
DM1
D+
D–
GND
5 V
68
µF
DP1
DM1
D+
D–
GND
5 V
68
µF
A
B
C
D
SN75240
EN1
EN2
OC
3.3 V_OUT
VIN
OUT1
OUT2
PWRON1
PWRON2
OVRCUR
GND
GND
XTAL2
XTAL1
1.5 k
Ω
6 MHz
33 pF
33 pF
VCC_3.3 V
0.1
µF
0.1
µF
10
µF
1.5 k
Ω
A
B
C
D
SN75240
D+
D–
GND
5 V
DP0
DM0
0.1
µF
10
µF
Upstream Port
USB Hub Controller
Downstream Port
TPS2149
Figure 18. Example of a 4 Port Hub Design With TPS2149



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