Datasheet > TPS5420-EP_09

TPS5420-EP_09

更新时间： 2024-09-18 11:49:59

品牌	Logo	应用领域
德州仪器 - TI		转换器输入元件
页数	文件大小	规格书
22页	613K
描述
2-A WIDE-INPUT-RANGE STEP-DOWN SWIFTâ¢ CONVERTER

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TPS5420-EP_09 数据手册

TPS5420-EP

www.ti.com

SLVS717–DECEMBER 2006

2-A WIDE-INPUT-RANGE STEP-DOWN SWIFT™ CONVERTER

FEATURES

•

Fixed 500-kHz Switching Frequency for Small

Filter Size

•

Controlled Baseline

Improved Line Regulation and Transient

Response by Input Voltage Feed Forward

–

One Assembly/Test Site, One Fabrication

Site

System Protected by Overcurrent Limiting and

Thermal Shutdown

•

Enhanced Diminishing Manufacturing Sources

(DMS) Support

-55°C to 125°C Operating Junction

Temperature Range

•

Enhanced Product-Change Notification

(1)

Qualification Pedigree

•

Available in Small 8-Pin SOIC Package

Wide Input Voltage Range: 5.5 V to 35 V

For SWIFT™ Documentation, Application

Reports, and Design Software, See the TI

Website at www.ti.com/swift

Up to 2-A Continuous (3-A Peak) Output

Current

•

High Efficiency up to 95% Enabled by 110-mΩ

Integrated MOSFET Switch

APPLICATIONS

•

Wide Output Voltage Range: Adjustable Down

to 1.22 V with 1.5% Initial Accuracy

Consumer: Set-Top Boxes, DVDs, LCD

Displays

Industrial and Car Audio Power Supplies

Battery Chargers, High-Power LED Supplies

12-V/24-V Distributed Power Systems

Internal Compensation Minimizes External

Parts Count

•

(1) Component qualification in accordance with JEDEC and

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.

DESCRIPTION/ORDERING INFORMATION

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 µA, 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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

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与TPS5420-EP_09相关器件

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TPS5420MDREP	TI	获取价格	2-A WIDE-INPUT-RANGE STEP-DOWN SWIFT⑩ CONVERT
TPS5420MDREPG4	TI	获取价格	2-A WIDE-INPUT-RANGE STEP-DOWN SWIFT™ CONVERT
TPS5420-Q1	TI	获取价格	2-A WIDE-INPUT-RANGE STEP-DOWN SWIFTâ¢ CONVE
TPS5420QDRQ1	TI	获取价格	2-A WIDE-INPUT-RANGE STEP-DOWN SWIFTâ¢ CONVE
TPS54218	TI	获取价格	2.95 V to 6 V Input 2 A Output 2MHz Synchronous Step Down Switcher With Integrated FETs (S
TPS54218_12	TI	获取价格	2.95 V to 6 V Input, 2 A Output, 2MHz, Synchronous Step Down
TPS54218ARTER	TI	获取价格	SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, PQCC16
TPS54218RTER	TI	获取价格	2.95 V to 6 V Input 2 A Output 2MHz Synchronous Step Down Switcher With Integrated FETs (S
TPS54218RTET	TI	获取价格	2.95 V to 6 V Input 2 A Output 2MHz Synchronous Step Down Switcher With Integrated FETs (S
TPS54225	TI	获取价格	4.5V to 18V Input, 2-A Synchronous Step-Down SWIFTTM Converter

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