Datasheet > TPS54625

TPS54625

更新时间： 2024-11-11 01:14:59

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	1015K
描述
4.5V to 18V Input, 6.5-A Synchronous Step-Down Converter

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TPS54625 数据手册

TPS54625

www.ti.com

SLVSC33 –AUGUST 2013

4.5V to 18V Input, 6.5-A Synchronous Step-Down Converter

Check for Samples: TPS54625

FEATURES

DESCRIPTION

The TPS54625 is an adaptive on-time D-CAP2™

mode synchronous buck converter. The TPS54625

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.

•

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 5.5 V

The main control loop for the TPS54625 uses the D-

CAP2™ mode control which provides a very fast

transient response with no external compensation

components. The TPS54625 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 5.5 V. The device

also features an adjustable soft start time and a

power good function. The TPS54625 is available in

the 14-pin HTSSOP package, and designed to

operate from –40°C to 85°C.

Highly Efficient Integrated FET’s Optimized for

Lower Duty Cycle Applications –36 mΩ (High

Side) and 28 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

Power Good Output

APPLICATIONS

Io = 0 A –6.5 A

S/R = 0.35 A/μs

•

Wide Range of Applications for Low Voltage

System

–

Digital TV Power Supply

Vo (50 mV/div)

High Definition Blu-ray Disc™ Players

Networking Home Terminal

Digital Set Top Box (STB)

Io (2 A/div)

TPS54625

Time (100 μs/div)

L004_SLVSC33

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, PowerPAD are trademarks 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...22

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与TPS54625相关器件

型号	品牌	获取价格	描述	数据表
TPS54625PWP	TI	获取价格	4.5V to 18V Input, 6.5-A Synchronous Step-Down Converter
TPS54625PWPR	TI	获取价格	4.5V to 18V Input, 6.5-A Synchronous Step-Down Converter
TPS54626	TI	获取价格	采用 HTSSOP 封装、具有 Eco-Mode 的 4.5V 至 18V、6.5A 同步
TPS54626PWP	TI	获取价格	采用 HTSSOP 封装、具有 Eco-Mode 的 4.5V 至 18V、6.5A 同步
TPS54626PWPR	TI	获取价格	采用 HTSSOP 封装、具有 Eco-Mode 的 4.5V 至 18V、6.5A 同步
TPS54627	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down Converter
TPS54627DDA	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down Converter
TPS54627DDAR	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down Converter
TPS54628	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down
TPS54628DDA	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down

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