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TPS62140RGTR Datasheet(PDF) 11 Page - Texas Instruments

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No. de Pieza. TPS62140RGTR
Descripción  3-V to 17-V 2-A Step-Down Converter in 3-mm × 3-mm QFN Package
Descarga  34 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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TPS62140RGTR Datasheet(HTML) 11 Page - Texas Instruments

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background image
0.0
20.0
40.0
60.0
80.0
100.0
120.0
140.0
160.0
180.0
200.0
0.0
3.0
6.0
9.0
12.0
15.0
18.0 20.0
−40°C
−10°C
25°C
85°C
125°C
Input Voltage (V)
G001
0.0
20.0
40.0
60.0
80.0
100.0
0.0
3.0
6.0
9.0
12.0
15.0
18.0 20.0
−40°C
−10°C
25°C
85°C
125°C
Input Voltage (V)
G001
0
0.01
0.02
0.03
0.04
0.05
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
VIN=5V
VIN=12V
VIN=17V
Output Current (A)
VOUT=3.3V,
L=2.2uH (XFL4020)
Cout=22uF
G000
0
0.5
1
1.5
2
2.5
3
3.5
4
4
5
6
7
8
9
10
11
12
13
14
15
16
17
−40°C
25°C
85°C
Input Voltage (V)
VOUT=3.3V
L=2.2uH (XFL4020)
Cout=22uF
G000
0
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
1M
VIN=5V
VIN=12V
VIN=17V
Frequency (Hz)
VOUT=3.3V, IOUT=1A
L=2.2uH (XFL4020)
Cin=10uF, Cout=22uF
G000
0
10
20
30
40
50
60
70
80
90
100
10
100
1k
10k
100k
1M
VIN=5V
VIN=12V
VIN=17V
Frequency (Hz)
VOUT=3.3V, IOUT=0.1A
L=2.2uH (XFL4020)
Cin=10uF, Cout=22uF
G000
TPS62140
TPS62141, TPS62142, TPS62143
www.ti.com
SLVSAJ0
– NOVEMBER 2011
STATIC DRAIN-SOURCE-RESISTANCE (RDSon)
STATIC DRAIN-SOURCE-RESISTANCE (RDSon)
vs
vs
INPUT VOLTAGE
INPUT VOLTAGE
Figure 23. High-Side Switch Resistance
Figure 24. Low-Side Switch Resistance
OUTPUT VOLTAGE
OUTPUT CURRENT
vs
vs
OUTPUT CURRENT
INPUT VOLTAGE
Figure 25. Output Voltage Ripple
Figure 26. Maximum Output Current
POWER SUPPLY REJECTION RATIO
POWER SUPPLY REJECTION RATIO
vs
vs
FREQUENCY
FREQUENCY
Figure 27. Power-Supply Rejection Ratio, fSW = 2.5 MHz
Figure 28. Power-Supply Rejection Ratio, fSW = 2.5 MHz
Copyright
© 2011, Texas Instruments Incorporated
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Product Folder Link(s): TPS62140 TPS62141 TPS62142 TPS62143


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