TPS51317

更新时间： 2024-01-15 09:54:51

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
25页	759K
描述
3.3-V/5-V Input, 6-A, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter

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TPS51317 数据手册

TPS51317

www.ti.com

SLUSAH9 –MARCH 2011

3.3-V/5-V Input, 6-A, D-CAP+™ Mode Synchronous Step-Down Integrated FETs Converter

Check for Samples: TPS51317

FEATURES

DESCRIPTION

The TPS51317 is a fully integrated synchronous buck

regulator employing D-CAP+™ mode architechture. It

is used for 3.3-V and 5-V step-down systems where

space is a consideration, high-performance and

optimized component count are required. The

TPS51317 features four switching frequency settings

(up to 1.5 MHz), synchronous operation in SKIP,

droop support, external tracking support, pre-bias

startup, output soft discharge, integrated bootstrap

switch, power good function, enable function and

complete protection functions, and both output

ceramic and SP/POS capacitor support. It supports

supply and conversion voltages up to 6.0 V, and

output voltages adjustable from 0.6 V to 2.0V. The

TPS51317 is available in the 3.5 mm × 4 mm 20-pin

QFN package (Green RoHs compliant and Pb free)

and is specified from -40°C to 85°C.

•

Integrated FETs Converter w/TI Proprietary

D-CAP+™ Mode Architecture

•

Minimum External Components Count

Support all MLCC Output Capacitor and

SP/POSCAP

•

Auto-Skip Mode and Ripple Reduction Mode

Optimized Efficiency at Light and Heavy Loads

Selectable 800-kHz, 1-MHz, 1.2-MHz and

1.5-MHz Frequency

•

Up to 6.0-V Conversion Voltage Range

Adjustable Output Voltage Range From 0.6 V

to 2 V

•

Small 3.5 mm × 4 mm, 20-Pin QFN Package

APPLICATIONS

•

Low-Voltage Applications Stepping Down from

5-V or 3.3-V Rail

XXXX

TPS51317

VIN

BST 16

17 EN

OUT

COMP PGOOD 19

PGOOD

VREF

PGND

VOUT 10

MODE 18

REFIN

PGND GND

GND GND

5VIN

20 V5IN

GND

UDG-11041

PGND

GND

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-CAP+ 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...25

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与TPS51317相关器件

型号	品牌	获取价格	描述	数据表
TPS51317RGBR	TI	获取价格	3.3-V/5-V Input, 6-A, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter
TPS51317RGBT	TI	获取价格	3.3-V/5-V Input, 6-A, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter
TPS51362	TI	获取价格	22-V Input, 10-A Integrated FET Converter With Ultra-Low Quiescent
TPS51362RVER	TI	获取价格	具有超低静态电流的 3V 至 22V、10A 同步降压转换器 \| RVE \| 28 \| -
TPS51362RVET	TI	获取价格	具有超低静态电流的 3V 至 22V、10A 同步降压转换器 \| RVE \| 28 \| -
TPS51363	TI	获取价格	22-V Input, 8-A or 10-A Converter With Integrated FET
TPS51363RVER	TI	获取价格	22-V Input, 8-A or 10-A Converter With Integrated FET
TPS51363RVET	TI	获取价格	22-V Input, 8-A or 10-A Converter With Integrated FET
TPS51367	TI	获取价格	22-V Input, 12-A Integrated FET Converter With Ultra-Low Quiescent
TPS51367RVER	TI	获取价格	22-V Input, 12-A Integrated FET Converter With Ultra-Low Quiescent

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