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TPS65141PWP Datasheet(PDF) 8 Page - Texas Instruments

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Part # TPS65141PWP
Description  TRIPLE OUTPUT LCD SUPPLY WITH LINEAR REGULATOR AND POWER GOOD
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS65141PWP Datasheet(HTML) 8 Page - Texas Instruments

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TYPICAL CHARACTERISTICS
Table of Graphs
10
20
30
40
50
60
70
80
90
100
1
10
100
1 k
Vo1 = 6 V
IL − Load Current − mA
Vo1 = 15 V
Vo1 = 10 V
VI = 3.3 V
Vo2, Vo3 = No Load, Switching
10
20
30
40
50
60
70
80
90
100
1
10
100
1 k
IL − Load Current − mA
Vo1 = 15 V
Vo1 = 10 V
VI = 5 V
Vo2, Vo3 = No Load, Switching
70
75
80
85
90
95
100
2.5
3
3.5
4
4.5
5
5.5
6
Vo1 = 6 V
Vo1 = 15 V
Vo1 = 10 V
ILoad at Vo1 = 100 mA
Vo2, Vo3 = No Load, Switching
VI - Input V oltage - V
TPS65140, TPS65141
TPS65145
SLVS497C – SEPTEMBER 2003 – REVISED APRIL 2006
FIGURE
Main Boost Converter
Efficiency, main boost converter VO1
vs Load current
1
η
Efficiency, main boost converter VO1
vs Load current
2
Efficiency
vs Input voltage
3
fsw
Switching frequency
vs Free-air temperature
4
rDS(on)
rDS(on) N-Channel main switch Q1
vs Free-air temperature
5
PWM operation continuous mode
6
PWM operation, discontinuous (light load)
7
Load transient response, CO = 22 µF
8
Load transient response, CO = 2 x 22 µF
9
Power-up sequencing
10
Soft start VO1
11
Negative Charge Pump
Imax
VO2 maximum load current
vs Output voltage VO1
12
Positive Charge Pump
Imax
VO3 maximum load current
vs Output voltage VO1 (doubler mode)
13
Imax
VO3 Maximum load current
vs Output voltage VO1 (tripler mode)
14
EFFICIENCY
EFFICIENCY
EFFICIENCY
vs
vs
vs
LOAD CURRENT
LOAD CURRENT
INPUT VOLTAGE
Figure 1.
Figure 2.
Figure 3.
8
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