Datasheet > TPS51315_14

TPS51315_14

更新时间： 2024-11-27 02:58:27

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德州仪器 - TI		/
页数	文件大小	规格书
28页	773K
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10-A STEP-DOWN SYNCHRONOUS SWITCHER WITH INTEGRATED MOSFETs

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TPS51315_14 数据手册

TPS51315

www.ti.com ........................................................................................................................................................................................................ SLUS881–MAY 2009

10-A STEP-DOWN SYNCHRONOUS SWITCHER WITH INTEGRATED MOSFETs

FEATURES

APPLICATIONS

•

Portable Device Application

Notebook Computers

Server and Desktop

•

Input Voltage Range: 3 V to 14 V

•

Output Voltage Range: 0.75 V to 5.5 V

Integrated Power MOSFETs with 10-A

Continuous Current Output

DESCRIPTION

•

< 5-µA Shutdown Current

The TPS51315 is

D-CAP™ Mode, 10-A,

D-CAP™ Mode with Fast Transient Response

synchronous step-down converter with integrated

MOSFETs. The combination of D-CAP™ mode and

on-board MOSFETs provides fast transient response

performance with ease of use, less external

component count and small footprint. Externally

adjustable switching frequency allows optimal design

between component size and efficiency tradeoff.

Ceramic output capacitors can be employed by

adding a few extra components. The TPS51315 is

available in the thermally-efficient 40-pin, 5 mm x

7 mm, QFN package and is specified from -40°C to

85°C ambient.

Programmable Switching Frequency with

External Resistor From 100 kHz to 1 MHz

•

Selectable Auto-Skip or PWM-Only Operation

< 1% Initial Reference Accuracy

Internal Soft-Start Control

Integrated Boost Diode

Power Good Signal

Adjustable Overcurrent Limit via External

Resistor

•

OVP/UVP/UVLO Protection

Integrated Selectable Output Discharge

Prebias Output Voltage Start-Up with Disabled

Output Discharge

•

Thermal Shutdown

40-Pin QFN Package with PowerPAD™

Supports All Ceramic Output Capacitors

5 V

32 31 30 29 28 27 26 25 24 23 22 21

OUT

33 N/C

34 EN_PSV

35 TON

ENSW

LL 17

LL 16

36 VOUT

37 VOUT_DS

38 V5FILT

39 VFB

TPS51315

VIN

3 V to 14 V

PGOOD

40 PGOOD

10 11 12

UDG-08154

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, PowerPAD are trademarks 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...28

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与TPS51315_14相关器件

型号	品牌	获取价格	描述	数据表
TPS51315RGFR	TI	获取价格	10-A STEP-DOWN SYNCHRONOUS SWITCHER WITH INTEGRATED MOSFETs
TPS51315RGFT	TI	获取价格	10-A STEP-DOWN SYNCHRONOUS SWITCHER WITH INTEGRATED MOSFETs
TPS51317	TI	获取价格	3.3-V/5-V Input, 6-A, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter
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

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