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TPS62142 Fiches technique(PDF) 11 Page - Texas Instruments

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No de pièce TPS62142
Description  3-V to 17-V 2-A Step-Down Converter in 3x3 QFN Package
Download  35 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

TPS62142 Fiches technique(HTML) 11 Page - Texas Instruments

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background image
0
10
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60
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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
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80
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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
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
0.0
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
TPS62140, TPS62140A
TPS62141, TPS62142, TPS62143
www.ti.com
SLVSAJ0B – NOVEMBER 2011 – REVISED JUNE 2013
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 © 2011–2013, Texas Instruments Incorporated
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Product Folder Links: TPS62140 TPS62140A TPS62141 TPS62142 TPS62143


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