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| 型号： | TPS5420MDREPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 5.2 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 1/23页 |
| 文件大小： | 658K |
| 代理商： | TPS5420MDREPG4 |
www.ti.com
FEATURES
APPLICATIONS
DESCRIPTION/ORDERING INFORMATION
SLVS717 – DECEMBER 2006
2-A WIDE-INPUT-RANGE STEP-DOWN SWIFT CONVERTER
Fixed 500-kHz Switching Frequency for Small
Filter Size
Controlled Baseline
Improved Line Regulation and Transient
–
One Assembly/Test Site, One Fabrication
Response by Input Voltage Feed Forward
Site
System Protected by Overcurrent Limiting and
Enhanced Diminishing Manufacturing Sources
Thermal Shutdown
(DMS) Support
-55°C to 125°C Operating Junction
Enhanced Product-Change Notification
Temperature Range
Qualification Pedigree (1)
Available in Small 8-Pin SOIC Package
Wide Input Voltage Range: 5.5 V to 35 V
For SWIFT Documentation, Application
Up to 2-A Continuous (3-A Peak) Output
Reports, and Design Software, See the TI
Current
Website at www.ti.com/swift
High Efficiency up to 95% Enabled by 110-m
Integrated MOSFET Switch
Wide Output Voltage Range: Adjustable Down
Consumer: Set-Top Boxes, DVDs, LCD
to 1.22 V with 1.5% Initial Accuracy
Displays
Internal Compensation Minimizes External
Industrial and Car Audio Power Supplies
Parts Count
Battery Chargers, High-Power LED Supplies
(1)
Component qualification in accordance with JEDEC and
12-V/24-V Distributed Power Systems
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
As a member of the SWIFT family of dc/dc regulators, the TPS5420 is a high-output-current PWM converter
that integrates a low-resistance high-side N-channel MOSFET. Included on the substrate with the listed features
is a high-performance voltage error amplifier that provides tight voltage regulation accuracy under transient
conditions, an undervoltage-lockout circuit to prevent start-up until the input voltage reaches 5.5 V, an internally
set slow-start circuit to limit inrush currents, and a voltage feed-forward circuit to improve the transient response.
Using the ENA pin, shutdown supply current is reduced to 18
A, typically. Other features include an active high
enable, overcurrent protection, and thermal shutdown. To reduce design complexity and external component
count, the TPS5420 feedback loop is internally compensated.
The TPS5420 device is available in an easy to use 8-pin SOIC 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 is a trademark 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS5420-Q1 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-A WIDE-INPUT-RANGE STEP-DOWN SWIFTa?￠ CONVERTER |
| TPS5420QDRQ1 | 功能描述:直流/直流开关调节器 2A Wide-Input-Range Step-Down Converter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS54218 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.95 V to 6 V Input 2 A Output 2MHz Synchronous Step Down Switcher With Integrated FETs (SWIFT) |
| TPS54218_12 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.95 V to 6 V Input, 2 A Output, 2MHz, Synchronous Step Down |
| TPS54218EVM-511 | 功能描述:电源管理IC开发工具 Converter Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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