Datasheet > TPS40055MPWPREPG4

TPS40055MPWPREPG4

更新时间： 2024-11-18 12:21:47

品牌	Logo	应用领域
德州仪器 - TI		输入元件控制器
页数	文件大小	规格书
36页	2430K
描述
WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

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TPS40055-EP

www.ti.com

SGLS310D –JULY 2005–REVISED FEBRUARY 2012

WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

Check for Samples: TPS40055-EP

FEATURES

APPLICATIONS

•

Operating Input Voltage 8 V to 40 V

Input Voltage Feed-Forward Compensation

< 1 % Internal 0.7-V Reference

•

Power Modules

Networking/Telecom

Industrial/Servers

Programmable Fixed-Frequency Up to 1-MHz

Voltage Mode Controller

DESCRIPTION

The TPS40055 is a family of high-voltage, wide input

(8 V to 40 V), synchronous, step-down converters.

The TPS40055 family offers design flexibility with a

variety of user programmable functions, including

soft-start, UVLO, operating frequency, voltage feed-

•

Internal Gate Drive Outputs for High-Side and

Synchronous N-Channel MOSFETs

•

16-Pin PowerPAD™ Package (θ_JC= 25°C/W)

Thermal Shutdown

forward,

high-side

current

limit,

and

loop

Externally Synchronizable

compensation.

Programmable High-Side Sense Short-Circuit

Protection

The TPS40055 are also synchronizable to an external

supply. The TPS40055 incorporates MOSFET gate

drivers for external N-channel high-side and

synchronous rectifier (SR) MOSFETs. Gate drive

logic incorporates anti-cross conduction circuitry to

prevent simultaneous high-side and synchronous

rectifier conduction.

•

Programmable Closed-Loop Soft-Start

TPS40055 Source/Sink

SUPPORTS DEFENSE, AEROSPACE,

AND MEDICAL APPLICATIONS

•

Controlled Baseline

One Assembly/Test Site

One Fabrication Site

The TPS40055 uses voltage feed-forward control

techniques to provide good line regulation over the

wide (4:1) input voltage range and fast response to

input line transients with near constant gain with input

variation which eases loop compensation. The

externally programmable current limit provides pulse-

by-pulse current limit, as well as a hiccup mode

operation utilizing an internal fault counter for longer

duration overloads.

Available in Military (–55°C/125°C)

Temperature Range⁽¹⁾

•

Extended Product Life Cycle

Extended Product-Change Notification

Product Traceability

(1) Additional temperature ranges available - contact factory

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.

PowerPAD 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...36

中文翻译

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TPS40055MPWPREPG4 替代型号

型号	品牌	替代类型	描述	数据表
TPS40055MPWPREP	TI	完全替代	WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055PWPR	TI	类似代替	WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

与TPS40055MPWPREPG4相关器件

型号	品牌	获取价格	描述	数据表
TPS40055PWP	TI	获取价格	WIDE INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055PWPG4	TI	获取价格	具有拉/灌电流能力且频率高达 1MHz 的宽输入（8V 至 40V）同步降压控制器 \| P
TPS40055PWPR	TI	获取价格	WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40055PWPRG4	TI	获取价格	具有拉/灌电流能力且频率高达 1MHz 的宽输入（8V 至 40V）同步降压控制器 \| P
TPS40055QPWPRQ1	TI	获取价格	SWITCHING CONTROLLER, 1000kHz SWITCHING FREQ-MAX, PDSO16, PLASTIC, HTSSOP-16
TPS40056	TI	获取价格	WIDE-INPUT SYNCHRONOUS, TRACKING BUCK CONTROLLER
TPS40056PWP	TI	获取价格	WIDE-INPUT SYNCHRONOUS, TRACKING BUCK CONTROLLER
TPS40056PWPR	TI	获取价格	Wide Vin (10V-40V) Synchronous Buck DC/DC Controller with Tracking 16-HTSSOP -40 to 85
TPS40057	TI	获取价格	WIDE INPUT SYNCHRONOUS BUCK CONTROLLER
TPS40057PWP	TI	获取价格	WIDE INPUT SYNCHRONOUS BUCK CONTROLLER

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