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TPS53353 データシート(PDF) 11 Page - Texas Instruments

部品番号 TPS53353
部品情報  TPS53353 High-Efficiency 20-A Synchronous Buck Converter With Eco-mode?
PDF  37 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TPS53353 データシート(HTML) 11 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)
400 LFM
200 LFM
100 LFM
Natural Convection
VIN = 12 V
VOUT = 5 V
fSW = 500 kHz
G000
Time (1 s/div)
V
IN = 12 V
I
OUT = 20 A
EN (5 V/div)
V
OUT (1 V/div)
PGOOD (5 V/div)
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Output Current (A)
All Levels of Air Flow
VIN = 12 V
VOUT = 1.2 V
fSW = 500 kHz
G000
TPS53353
www.ti.com
SLUSAK2B – AUGUST 2011 – REVISED FEBRUARY 2015
Typical Characteristics (continued)
Figure 26. Safe Operating Area
Figure 25. Overtemperature Protection Waveforms
Figure 27. Safe Operating Area
For VOUT = 5 V, an SC5026-1R0 inductor is used. For 1 ≤ VOUT ≤ 3.3 V, a PA0513.441 inductor is used
Figure 28. Efficiency vs Output Current
Figure 29. Efficiency vs Output Current
Copyright © 2011–2015, Texas Instruments Incorporated
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