TPS54329

更新时间： 2024-11-17 12:47:11

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
24页	757K
描述
4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER

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TPS54329 数据手册

TPS54329

www.ti.com

SLVSAZ6A –SEPTEMBER 2011–REVISED MARCH 2012

4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER

Check for Samples: TPS54329

FEATURES

DESCRIPTION

The TPS54329 is an adaptive on-time D-CAP2™

mode synchronous buck converter. TheTPS54329

enables system designers to complete the suite of

various end equipment’s power bus regulators with a

cost effective, low component count, low standby

current solution. The main control loop for the

TPS54329 uses the D-CAP2™ mode control which

provides a fast transient response with no external

compensation components. The TPS54329 also has

a proprietary circuit that enables the device to adopt

to both low equivalent series resistance (ESR) output

capacitors, such as POSCAP or SP-CAP, and ultra-

low ESR ceramic capacitors. The device operates

from 4.5-V to 18-V VIN input. The output voltage can

be programmed between 0.76 V and 7 V. The device

also features an adjustable soft start time. The

TPS54329 is available in the 8-pin DDA package,

and designed to operate from –40°C to 85°C.

•

D-CAP2™ Mode Enables Fast Transient

Response

•

Low Output Ripple and Allows Ceramic Output

Capacitor

•

Wide V_INInput Voltage Range: 4.5 V to 18 V

Output Voltage Range: 0.76 V to 7.0 V

Highly Efficient Integrated FETs Optimized

for Lower Duty Cycle Applications

– 100 mΩ (High Side) and 74 mΩ (Low Side)

•

High Efficiency, Less Than 10 μA at Shutdown

High Initial Bandgap Reference Accuracy

Adjustable Soft Start

Pre-Biased Soft Start

650-kHz Switching Frequency (f_SW

)

Cycle By Cycle Over Current Limit

APPLICATIONS

•

Wide Range of Applications for Low Voltage

System

–

Digital TV Power Supply

High Definition Blu-ray Disc™ Players

Networking Home Terminal

Digital Set Top Box (STB)

V_OUT(50 mV/div)

TPS54329DDA

I_OUT(1 A/div)

100 μs/div

G006

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.

D-CAP2 is a trademark of Texas Instruments.

Blu-ray Disc is a trademark of Blu-ray Disc Association.

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...24

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与TPS54329相关器件

型号	品牌	获取价格	描述	数据表
TPS54329DDA	TI	获取价格	4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER
TPS54329DDAR	TI	获取价格	4.5V to 18V Input, 3-A SYNCHRONOUS STEP DOWN CONVERTER
TPS54329E	TI	获取价格	4.5V to 18V Input, 3-A Synchronous Step-Down
TPS54329EDDA	TI	获取价格	4.5V to 18V Input, 3-A Synchronous Step-Down
TPS54329EDDAR	TI	获取价格	4.5V to 18V Input, 3-A Synchronous Step-Down
TPS5432DDA	TI	获取价格	2.95V to 6V Input, 3A Output, 700kHz Synchronous Step Down Converter
TPS5432DDAR	TI	获取价格	2.95V to 6V Input, 3A Output, 700kHz Synchronous Step Down Converter
TPS54331	TI	获取价格	3A, 28V INPUT, STEP DOWN SWIFT⑩ DC/DC CONVERT
TPS54331_1	TI	获取价格	3A, 28V INPUT, STEP DOWN SWIFTM DC/DC CONVERTER WITH ECO-MODTM
TPS54331D	TI	获取价格	3A, 28V INPUT, STEP DOWN SWIFTM DC/DC CONVERTER WITH ECO-MODTM

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