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TPS2149 Datasheet(PDF) 10 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) 10 Page - Texas Instruments

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TPS2149
TPS2159
SLVS401 – AUGUST 2001
10
www.ti.com
TYPICAL CHARACTERISTICS
Figure 8
LINE TRANSIENT RESPONSE
t – Time –
µs
0
100 200 300 400 500 600
700 800 900 1000
∆VO(LDO_OUT)
(0.05 V/div)
TA = 25°C
CL(LDO_OUT) = 4.7 µF
ESR = 1
Ω
IO(LDO_OUT) = 200 mA
5.25 V
VI(VIN)
4.25 V
Figure 9
LOAD TRANSIENT RESPONSE
t – Time –
µs
0
100 200 300 400 500 600
700 800 900 1000
∆VO(LDO_OUT)
(100 mV/div)
TA = 25°C
CL(LDO_OUT) = 4.7 µF
ESR = 1
Ω
IO(LDO_OUT)
(200 mA/div)
Figure 10
0
20
40
60
80
100
120
140
–40
–20
0
20
40
60
80
100
SUPPLY CURRENT
vs
JUNCTION TEMPERATURE
TJ – Temperature – °C
Figure 11
0
20
40
60
80
100
120
140
2.5
3
3.5
4
4.5
5
5.5
SUPPLY CURRENT
vs
SUPPLY VOLTAGE
VCC – Supply Voltage – V



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