Datasheet > TPS53313

TPS53313

更新时间： 2024-10-01 12:16:15

品牌	Logo	应用领域
德州仪器 - TI		调节器
页数	文件大小	规格书
23页	774K
描述
6-A Step-Down Regulator with Integrated Switcher

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TPS53313 数据手册

TPS53313

www.ti.com

SLUSAS8 –DECEMBER 2011

6-A Step-Down Regulator with Integrated Switcher

Check for Samples: TPS53313

FEATURES

LOW VOLTAGE APPLICATIONS

•

4.5-V to 16-V Conversion Voltage Range

•

POL Applications for 5-V or 12-V Step-Down

Rail

•

Adjustable Output Voltage Ranging from 0.6 V

to 0.7×V_IN

DESCRIPTION

•

Continuous 6-A Output Current

TPS53313 provides a 5-V or 12-V synchronous buck

converter that integrates two N-Channel MOSFETs.

Due to low R_DS(on)and TI proprietary SmoothPWM™

skip mode of operation, it optimizes the efficiency at

light-load condition without compromising the output

voltage ripple.

Supports All MLCC Output Capacitors

Selectable SKIP Mode or Forced CCM

Selectable Soft-Start Time (1 ms, 3 ms, or 6

ms)

•

Selectable 4-5 A, 6-A or 9-A Peak Current Limit

Optimized Efficiency at Light and Heavy Loads

Voltage Mode Control

The TPS53313 features programmable (from 250

kHz to 1.5MHz) switching frequency with selectable

skip mode or forced CCM mode operation. The

device provides pre-biased startup, soft-stop,

integrated bootstrap switch, power good function,

EN/input UVLO protection. It supports input voltages

from 4.5 V to 16 V and no extra bias voltage is

needed. The output voltage is adjustable from 0.6 V

up to 0.7 × V_IN.

Programmable Switching Frequency from

250 kHz to 1.5 MHz

•

Synchronizes to External Clock

R_DS(on)Sensing for Zero Crossing Detection

and Overcurrent Protection

•

Soft-Stop Output Discharge During Disable

The TPS53313 is available in a 4 mm × 4 mm,

24-pin, QFN package (Green RoHs compliant and Pb

free) and operates between -40°C and 85°C.

Overcurrent, Overvoltage and Undervoltage

Protection with Hiccup

•

Over-Temperature Protection

Open-Drain, Power Good Indication

Internal Bootstrap Switch

4 mm × 4 mm, 24-Pin, QFN Package

TYPICAL APPLICATION CIRCUIT

Output All MLCCs

V_OUT

V_IN

C_BST

VIN

BP7

V_IN

VBST

BP3

TPS53313

AGND

PGOOD

RT/SYNC

MODE/SS

COMP

PowerPad

PGND

UDG-11254

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.

SmoothPWM 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...23

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与TPS53313相关器件

型号	品牌	获取价格	描述	数据表
TPS53313RGER	TI	获取价格	6-A Step-Down Regulator with Integrated Switcher
TPS53313RGET	TI	获取价格	6-A Step-Down Regulator with Integrated Switcher
TPS53314	TI	获取价格	6-A Step-Down Regulator with Integrated Switcher
TPS53314RGFR	TI	获取价格	6-A Step-Down Regulator with Integrated Switcher
TPS53314RGFT	TI	获取价格	6-A Step-Down Regulator with Integrated Switcher
TPS53315	TI	获取价格	12-A Step-Down Regulator with Integrated Switcher
TPS53315_15	TI	获取价格	Step-Down Regulator
TPS53315RGFR	TI	获取价格	12-A Step-Down Regulator with Integrated Switcher
TPS53315RGFT	TI	获取价格	12-A Step-Down Regulator with Integrated Switcher
TPS53316	TI	获取价格	High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher

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