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TPS53353DQPT Datasheet(PDF) 10 Page - Texas Instruments

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Part # TPS53353DQPT
Description  High-Efficiency 20-A Synchronous Buck Converter with Eco-mode?
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS53353DQPT Datasheet(HTML) 10 Page - Texas Instruments

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Output Current (A)
VOUT = 5.0 V
VOUT = 3.3 V
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
FCCM
VIN = 12 V
VVDD = 5 V
fSW = 300 kHz
G001
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Output Current (A)
VOUT = 5.0 V
VOUT = 3.3 V
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
Skip Mode
VIN = 12 V
VVDD = 5 V
fSW = 300 kHz
G000
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Output Current (A)
VOUT = 5.0 V
VOUT = 3.3 V
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
FCCM
VIN = 12 V
VVDD = 5 V
fSW = 500 kHz
G000
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Output Current (A)
VOUT = 5.0 V
VOUT = 3.3 V
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
Skip Mode
VIN = 12 V
VVDD = 5 V
fSW = 500 kHz
G000
70
75
80
85
90
95
100
0
2
4
6
8
10
12
14
16
18
20
Output Current (A)
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
FCCM
VIN = 5 V
VVDD = 5 V
fSW = 500 kHz
G001
70
75
80
85
90
95
100
0
2
4
6
8
10
12
14
16
18
20
Output Current (A)
VOUT = 1.8 V
VOUT = 1.5 V
VOUT = 1.2 V
VOUT = 1.1 V
VOUT = 1.0 V
Skip Mode
VIN = 5 V
VVDD = 5 V
fSW = 500 kHz
G001
TPS53353
SLUSAK2
– AUGUST 2011
www.ti.com
TYPICAL CHARACTERISTICS
For VOUT = 5 V, an SC5026-1R0 inductor is used. For 1 ≤ VOUT ≤ 3.3 V, a PA0513.441 inductor is used.
Figure 15. Efficiency vs Output Current
Figure 16. Efficiency vs Output Current
Figure 17. Efficiency vs Output Current
Figure 18. Efficiency vs Output Current
Figure 19. Efficiency vs Output Current
Figure 20. Efficiency vs Output Current
10
Copyright
© 2011, Texas Instruments Incorporated


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