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TPS62046DGQ Datasheet(PDF) 7 Page - Texas Instruments

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No. de Pieza. TPS62046DGQ
Descripción  1.2 A/1.25 MHZ, HIGH EFFICIENCY STEP DOWN CONVERTER
Descarga  21 Pages
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Fabricante  TI [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS62046DGQ Datasheet(HTML) 7 Page - Texas Instruments

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TPS62040
TPS62042,TPS62043
TPS62044,TPS62046
SLVS463A − JUNE 2003 − REVISED OCTOBER 2003
www.ti.com
7
Figure 3
40
45
50
55
60
65
70
75
80
85
90
95
100
0
0.01
0.1
1
10
100
1 k
10 k
VO = 1.5 V
VI = 2.7 V
VI = 3.6 V
VI = 5 V
EFFICIENCY
vs
LOAD CURRENT
IL − Load Current − mA
Figure 4
70
75
80
85
90
95
100
2.5
3
3.5
4
4.5
5
5.5
6
VO = 1.8 V
MODE = Low
IL = 500 mA
IL = 1000 mA
IL = 1 mA
EFFICIENCY
vs
INPUT VOLTAGE
VI − Input Voltage − V
Figure 5
5
7
9
11
13
15
17
19
21
23
2.4
2.8
3.2
3.6
4
4.4
4.8
5.2
5.6
6
QUIESCENT CURRENT
vs
INPUT VOLTAGE
VI − Input Voltage − V
MODE = Low
TA = 85°C
TA = 25°C
TA = −40°C
Figure 6
3
3.5
4
4.5
5
5.5
6
6.5
7
7.5
2.5
3
3.5
4
4.5
5
5.5
6
QUIESCENT CURRENT
vs
INPUT VOLTAGE
VI − Input Voltage − V
MODE = High
TA = 25°C


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