參數(shù)資料
型號(hào)： TPS5450MDDAREP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 11.7 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝： GREEN, PLASTIC, SOIC-8
文件頁(yè)數(shù)： 1/24頁(yè)
文件大?。?/td> 772K
代理商： TPS5450MDDAREP
1
FEATURES
SUPPORTS DEFENSE, AEROSPACE,
DESCRIPTION
APPLICATIONS
www.ti.com ....................................................................................................................................................................................................... SLVS935 – JULY 2009
5-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER
AND MEDICAL APPLICATIONS
2
Qualified for Automotive Applications
Controlled Baseline
Wide Input Voltage Range: 5.5 V to 36 V
One Assembly/Test Site
Up to 5-A Continuous (6-A Peak) Output
One Fabrication Site
Current
Available in Military (–55°C/125°C)
High Efficiency Greater than 90% Enabled by
Temperature Range(1)
110-m
Integrated MOSFET Switch
Extended Product Life Cycle
Wide Output Voltage Range: Adjustable Down
Extended Product-Change Notification
to 1.22 V with 1.5% Initial Accuracy
Product Traceability
Internal Compensation Minimizes External
Parts Count
Fixed 500-kHz Switching Frequency for Small
As a member of the SWIFT family of DC/DC
Filter Size
regulators, the TPS5450 is a high-output-current
18-A Shutdown Supply Current
PWM converter that integrates a low-resistance
Improved Line Regulation and Transient
high-side
N-channel
MOSFET.
Included
on
the
Response by Input Voltage Feed Forward
substrate
with
the
listed
features
are
a
high-performance voltage error amplifier that provides
System Protected by Overcurrent Limiting,
tight voltage regulation accuracy under transient
Overvoltage Protection, and Thermal
conditions, an undervoltage-lockout circuit to prevent
Shutdown
start-up until the input voltage reaches 5.5 V, an
Available in Small Thermally Enhanced 8-Pin
internally set slow-start circuit to limit inrush currents,
SOIC PowerPAD Package
and a voltage feed-forward circuit to improve the
transient response. Using the ENA pin, shutdown
For SWIFT Documentation, Application
supply current is reduced to 18
A typically. Other
Reports and Design Software, See the TI
features include an active-high enable, overcurrent
Website at www.ti.com/swift
limiting,
overvoltage
protection,
and
thermal
shutdown. To reduce design complexity and external
component count, the TPS5450 feedback loop is
High-Density Point-of-Load Regulators
internally compensated.
LCD Displays, Plasma Displays
The TPS5450 device is available in a thermally
Battery Chargers
enhanced, 8-pin SOIC PowerPAD package. TI
12-V/24-V Distributed Power Systems
provides evaluation modules and software tools to aid
in achieving high-performance power supply designs
to meet aggressive equipment development cycles.
(1)
Additional temperature ranges are available - contact factory
1
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.
2
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2009, 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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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