Datasheet > TPS54627

TPS54627

更新时间： 2024-11-08 12:02:43

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
22页	944K
描述
4.5V to 18V Input, 6-A Synchronous Step-Down Converter

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TPS54627 数据手册

TPS54627

www.ti.com

SLVSBW6 –APRIL 2013

4.5V to 18V Input, 6-A Synchronous Step-Down Converter

Check for Samples: TPS54627

FEATURES

DESCRIPTION

The TPS54627 is an adaptive on-time D-CAP2™

mode synchronous buck converter. The TPS54627

enables system designers to complete the suite of

various end-equipment power bus regulators with a

cost effective, low component count, low standby

current solution. The main control loop for the

TPS54627 uses the D-CAP2™ mode control that

provides a fast transient response with no external

compensation components. The TPS54627 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. The

TPS54627 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 5.5 V

Highly Efficient Integrated FETs 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

Auto-Skip Eco-mode™ for High Efficiency at

Light Load

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)

Vout(50mV/div)

Iout(2A/div)

TPS54627

100us/div

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, Eco-mode 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.

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与TPS54627相关器件

型号	品牌	获取价格	描述	数据表
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
TPS54628DDAR	TI	获取价格	4.5V to 18V Input, 6-A Synchronous Step-Down
TPS54672	TI	获取价格	3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs
TPS54672PWP	TI	获取价格	6-A OUTPUT ACTIVE BUS TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs(SWIFT)
TPS54672PWPG4	TI	获取价格	6-A OUTPUT ACTIVE BUS TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs(SWIFT)
TPS54672PWPR	TI	获取价格	6-A OUTPUT ACTIVE BUS TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs(SWIFT)
TPS54672PWPRG4	TI	获取价格	6-A OUTPUT ACTIVE BUS TERMINATION SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs(SWIFT)

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