Datasheet > GRM21BR60J226ME39L

GRM21BR60J226ME39L

更新时间： 2024-09-28 11:46:03

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
27页	1256K
描述
3.3-V/5-V Input, D-CAP+? Mode Synchronous Step-Down Integrated FETs Converter

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TPS51463

www.ti.com

SLUSAX2 –FEBRUARY 2012

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

With 2-Bit VID

Check for Samples: TPS51463

FEATURES

DESCRIPTION

The TPS51463 is a fully integrated synchronous buck

regulator employing D-CAP+™. It is used for up to 5-

V step-down where system size is at its premium,

performance and optimized BOM are must-haves.

The TPS51463 fully supports the Intel^®Chief River

platform, a ULV/CPU system agent application with

integrated 2-bit VID function.

•

Integrated FETs Converter w/TI Proprietary

D-CAP+™ Mode Architecture

•

Minimum External Parts Count

Support all MLCC Output Capacitor and

SP/POSCAP

•

Auto Skip Mode

Selectable 700-kHz and 1-MHz Frequency

Small 4 mm × 4 mm, 24-Pin, QFN Package

The TPS51463 also features two switching frequency

settings (700 kHz and 1 MHz), skip mode, pre-bias

startup, programmable external capacitor soft-start

time/voltage transition time, output discharge, internal

VBST Switch, 2-V reference (±1%), power good and

enable.

APPLICATIONS

•

Low-Voltage Applications Stepping Down from

5-V or 3.3-V Rail

The TPS51463 is available in a 4 mm × 4 mm, 24-

pin, QFN package (Green RoHs compliant and Pb

free) and is specified from -40°C to 85°C.

•

Notebook/Desktop Computers

Intel^®Chief River Platform ULV CPU System

Agent

+5V

ENABLE

VID0

VID1

PGOOD

19 PGND

20 PGND

21 PGND

22 VIN

BST 12

SW 11

SW 10

TPS51463

VCCSA

23 VIN

VIN

24 VIN

VCCSASNS

UDG-12017

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.

Intel is a registered trademark of Intel Corporation.

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...27

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