Datasheet > TPS53315_15

TPS53315_15

更新时间： 2024-10-02 02:58:23

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
30页	1083K
描述
Step-Down Regulator

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TPS53315_15 数据手册

TPS53315

www.ti.com

SLUSAE6 –DECEMBER 2010

12-A Step-Down Regulator with Integrated Switcher

Check for Samples: TPS53315

FEATURES

APPLICATIONS

•

Server and Desktop Computers

Notebook Computers

Telecommunication Equipments

•

Conversion Input Voltage Range: 3 V to 15 V

VDD Input Voltage Range: 4.5 V to 25 V

Output Voltage Range: 0.6 V to 5.5 V

5-V LDO Output

DESCRIPTION

Integrated Power MOSFETs with 12-A

Continuous Output Current

TPS53315 is a D-CAP™ mode, 12-A synchronous

switcher with integrated MOSFETs. It is designed for

ease of use, low external component count, and

small package power systems.

•

<10-mA Shut Down Current

Auto-Skip Eco-mode™ for Light-Load

Efficiency

This device features single-rail input support, one

19-mΩ and one 7-mΩ integrated MOSFET, accurate

1%, 0.6 V Reference, and integrated boost switch. A

sample of competitive features include: greater than

96% maximum efficiency, 3 V to 15 V wide input

voltage range, very low external component count,

D-CAP™ mode control for super fast transient,

selectable auto-skip and PWM operation, internal

soft-start control, adjustable frequency, and no need

for compensation.

•

D-CAP™ Mode with Fast Transient Response

Selectable Switching Frequency from 250 kHz

to 1 MHz with an External Resistor

•

Built-in 1%, 0.6-V Reference

0.7-ms, 1.4-ms, 2.8-ms and 5.6-ms Selectable

Internal Voltage Servo Soft-Start

•

Pre-Charged Start-up Capability

Integrated Boost Switch

The conversion input voltage ranges from 3 V to

15 V, the supply voltage range is from 4.5 V to 25 V,

and the output voltage range is from 0.6 V to 5.5 V.

Adjustable Overcurrent Limit Via External

Resistor

•

Overvoltage/Undervoltage, UVLO and

Over-Temperature Protection

The TPS53315 is available in a 5 mm × 7 mm 40-pin,

QFN package and is specified from –40°C to 85°C.

•

Support All Ceramic Output Capacitors

Open Drain Power Good Indication

40-pin QFN Package with PowerPAD™

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

OUT

33 N/C

VREG PGOOD

34 N/C

35 TRIP

LL 17

LL 16

36 EN

TPS53315

37 VFB

38 RF

VIN

3 V to 15 V

39 MODE

40 VDD

10 11 12

VDD

4.5 V to 25 V

UDG-10199

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.

Eco-mode, 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...30

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与TPS53315_15相关器件

型号	品牌	获取价格	描述	数据表
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
TPS53316RGTR	TI	获取价格	High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher
TPS53316RGTT	TI	获取价格	High-Efficiency, 5-A Step-Down Regulator with Integrated Switcher
TPS53317	TI	获取价格	3.3-V/5-V Input, 6-A, D-CAP+ Mode Synchronous Step-Down Integrated FETs
TPS53317_15	TI	获取价格	6-A Output, D-CAP Mode, Synchronous Step-Down, Integrated-FET Converter for DDR Memory Ter
TPS53317_17	TI	获取价格	6-A Output, D-CAP Mode, Synchronous Step-Down, Integrated-FET Converter for DDR Memory Ter
TPS53317A	TI	获取价格	0.9V 至 6V 输入、6A 输出、D-CAP+ 模式的 SWIFT 同步降压 DDR
TPS53317ARGBR	TI	获取价格	0.9V 至 6V 输入、6A 输出、D-CAP+ 模式的 SWIFT 同步降压 DDR

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