Datasheet > TPS40071

TPS40071

更新时间： 2024-11-03 22:36:19

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
20页	286K
描述
HIGH-EFFICIANCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD

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TPS40071 数据手册

TPS40070

TPS40071

www.ti.com

SLUS582D–DECEMBER 2003–REVISED NOVEMBER 2004

HIGH-EFFICIANCY MIDRANGE INPUT SYNCHRONOUS

BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD

FEATURES

DESCRIPTION

•

Operation Over 4.5-V to 28-V Input Range

Programmable Fixed-Frequency up to 1-MHz

Voltage-Mode Controller

Predictive Gate Drive™ With Anti-Cross

Conduction Circuitry

<1% Internal 700-mV Reference

Internal Gate Drive Outputs for High-Side and

Synchronous N-Channel MOSFETs

16-Pin PowerPAD™ Package

Thermal Shutdown Protection

TPS40070: Source Only

TPS40071: Source/Sink

Programmable High-Side Sense Short Circuit

Protection

The TPS4007x is a mid voltage, wide input (4.5 V to

28 V), synchronous, step-down converter.

•

The TPS4007x offers design flexibility with a variety

of user programmable functions, including; soft-start,

UVLO, operating frequency, voltage feed-forward and

high-side FET sensed short circuit protection.

•

The TPS4007x incorporates MOSFET gate drivers for

external N-channel high-side and synchronous recti-

fier (SR) MOSFETs. Gate drive logic incorporates

predictive anti-cross conduction circuitry to prevent

simultaneous high-side and synchronous rectifier

conduction, while minimizing to eliminating current

flow in the body diode of the SR FET. The TPS40071

allows the supply output to sink current at all times.

The TPS40070 implements a source-only power

supply.

•

APPLICATIONS

•

Power Modules

Networking/Telecom

Industrial

Servers

SIMPLIFIED APPLICATION DIAGRAM

TPS40070PWP

KFF

ILIM

VDD 15

LVBP BOOST 14

PGD

SGND

HDRV 13

OUT

Powergood

OUT

DBP 11

LDRV 10

COMP PGND

VDG−03170

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.

Predictive Gate Drive, PowerPAD are trademarks 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...20

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TPS40071 替代型号

型号	品牌	替代类型	描述	数据表
TPS40077	TI	功能相似	HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD

与TPS40071相关器件

型号	品牌	获取价格	描述	数据表
TPS40071PWP	TI	获取价格	HIGH-EFFICIANCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40071PWPG4	TI	获取价格	HIGH-EFFICIENCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40071PWPR	TI	获取价格	HIGH-EFFICIENCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40071PWPRG4	TI	获取价格	HIGH-EFFICIENCY MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40074	TI	获取价格	MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40074_16	TI	获取价格	MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40074RHL	TI	获取价格	2A SWITCHING CONTROLLER, 550kHz SWITCHING FREQ-MAX, PQCC20, PLASTIC, QFN-20
TPS40074RHLR	TI	获取价格	MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40074RHLRG4	TI	获取价格	Midrange Input Synchronous Buck Controller With Voltage Feed-Forward 20-VQFN -40 to 85
TPS40074RHLT	TI	获取价格	MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD

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