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TPS53353 数据表(PDF) 8 Page - Texas Instruments

部件名 TPS53353
功能描述  TPS53353 High-Efficiency 20-A Synchronous Buck Converter With Eco-mode?
PDF  37 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TPS53353 数据表(HTML) 8 Page - Texas Instruments

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1.080
1.085
1.090
1.095
1.100
1.105
1.110
1.115
1.120
4
6
8
10
12
14
16
Input Voltage (V)
FCCM, IOUT = 0 A
Skip Mode, IOUT = 0 A
FCCM and Skip Mode, IOUT = 20 A
fSW = 500 kHz
VIN = 12 V
0
10
20
30
40
50
60
70
80
90
100
0.01
0.1
1
10
20
Output Current (A)
Skip Mode, fSW = 500 kHz
FCCM, fSW = 500 kHz
Skip Mode, fSW = 300 kHz
FCCM, fSW = 300 kHz
VIN = 12 V
VVDD = 5 V
VOUT = 1.1 V
G001
0
300
600
900
1200
1500
0
1
2
3
4
5
6
Output Voltage (V)
fSET = 300 kHz
fSET = 500 kHz
fSET = 750 kHz
fSET = 1 MHz
VIN = 12 V
IOUT = 10 A
1.080
1.085
1.090
1.095
1.100
1.105
1.110
1.115
1.120
0
2
4
6
8
10
12
14
16
18
20
Output Current (A)
Skip Mode
FCCM
fSW = 500 kHz
VIN = 12 V
VOUT = 1.1 V
G001
1
10
100
1000
0.01
0.1
1
10
20
Output Current (A)
FCCM
Skip Mode
VIN = 12 V
VOUT = 1.1 V
fSW = 750 kHz
G001
1
10
100
1000
0.01
0.1
1
10
20
Output Current (A)
FCCM
Skip Mode
VIN = 12 V
VOUT = 1.1 V
fSW = 1 MHz
G001
TPS53353
SLUSAK2B – AUGUST 2011 – REVISED FEBRUARY 2015
www.ti.com
Typical Characteristics (continued)
Figure 7. Switching Frequency vs. Output Current
Figure 8. Switching Frequency vs. Output Current
Figure 10. Output Voltage vs. Output Current
Figure 9. Switching Frequency vs. Output Voltage
Figure 12. Efficiency vs Output Current
Figure 11. Output Voltage vs. Input Voltage
8
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Copyright © 2011–2015, Texas Instruments Incorporated
Product Folder Links: TPS53353



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