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參數資料
| 型號： | TPS5431DDA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 6 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOP-8 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 810K |
| 代理商： | TPS5431DDA |
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www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION
VIN
NC
ENA
GND
VSENSE
BOOT
PH
TPS5430/31
VIN
VOUT
95
60
70
80
90
100
0
0.5
1
1.5
2.5
3
3.5
Efficiency
%
I
OutputCurrent
A
O
-
EfficiencyvsOutputCurrent
SimplifiedSchematic
V
I =12V
V =5V
f =500kHz
T =25 C
O
s
A
o
2
50
55
65
75
85
SLVS632C – JANUARY 2006 – REVISED NOVEMBER 2006
3-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
Consumer: Set-top Box, DVD, LCD Displays
Wide Input Voltage Range:
Industrial and Car Audio Power Supplies
–
TPS5430: 5.5 V to 36 V
Battery Chargers, High Power LED Supply
–
TPS5431: 5.5 V to 23 V
12-V/24-V Distributed Power Systems
Up to 3-A Continuous (4-A Peak) Output
Current
High Efficiency up to 95% Enabled by 110-m
As a member of the SWIFT family of DC/DC
Integrated MOSFET Switch
regulators,
the
TPS5430/TPS5431
is
a
Wide Output Voltage Range: Adjustable Down
high-output-current PWM converter that integrates a
to 1.22 V with 1.5% Initial Accuracy
low
resistance
high
side
N-channel
MOSFET.
Internal Compensation Minimizes External
Included on the substrate with the listed features are
Parts Count
a high performance voltage error amplifier that
provides tight voltage regulation accuracy under
Fixed 500 kHz Switching Frequency for Small
transient conditions; an undervoltage-lockout circuit
Filter Size
to prevent start-up until the input voltage reaches
Improved Line Regulation and Transient
5.5 V; an internally set slow-start circuit to limit inrush
Response by Input Voltage Feed Forward
currents; and a voltage feed-forward circuit to
improve the transient response. Using the ENA pin,
System Protected by Overcurrent Limiting,
shutdown supply current is reduced to 18
A
Overvoltage Protection and Thermal
typically.
Other
features
include
an
active-high
Shutdown
enable, overcurrent limiting, overvoltage protection
–40°C to 125°C Operating Junction
and thermal shutdown. To reduce design complexity
Temperature Range
and
external
component
count,
the
Available in Small Thermally Enhanced 8-Pin
TPS5430/TPS5431
feedback
loop
is
internally
compensated. The TPS5431 is intended to operate
SOIC PowerPAD Package
from power rails up to 23 V. The TPS5430 regulates
For SWIFT Documentation, Application
a wide variety of power sources including 24-V bus.
Notes and Design Software, See the TI
Website at www.ti.com/swift
The TPS5430/TPS5431 device is available in a
thermally
enhanced,
easy
to
use
8-pin
SOIC
PowerPAD
package.
TI
provides
evaluation
modules and the SWIFT Designer software tool to
aid in quickly achieving high-performance power
supply
designs
to
meet
aggressive
equipment
development cycles.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
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| TPS5431DDAG4 | 功能描述:直流/直流開關調節器 5.5-23V 3A Step Down Swift Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS5431DDAR | 功能描述:直流/直流開關調節器 5.5V-23V 3A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS5431DDARG4 | 功能描述:直流/直流開關調節器 5.5V-23V 3A Step- Down Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS5431EVM-173 | 功能描述:電源管理IC開發工具 9V to 21Vin 3A Step Down Conv RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS5431X | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio |
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