Datasheet > TPS51518_17

TPS51518_17

更新时间： 2024-11-03 02:58:43

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
34页	4067K
描述
Single-Phase, D-CAP and D-CAP2 Controller with 2-Bit Flexible VID Control

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TPS51518_17 数据手册

TPS51518

www.ti.com

SLUSAO8 –DECEMBER 2011

Single-Phase, D-CAP™ and D-CAP2™ Controller with 2-Bit Flexible VID Control

Check for Samples: TPS51518

FEATURES

APPLICATIONS

•

Differential Voltage Feedback

•

Notebook Computers

•

DC Compensation for Accurate Regulation

Wide Input Voltage Range: 3 V to 28 V

GFX Supplies

System Agent for Intel Chief River Platform

Flexible, 2-Bit VID Supports Output Voltage

from 0.5 V to 2.0 V

DESCRIPTION

The TPS51518 is

single phase, D-CAP™/

•

Adaptive On-Time Modulation with Selectable

Control Architecture

D-CAP2™ synchronous buck controller with 2-bit VID

inputs which can select up to four independent

externally programmable output voltage levels where

full external programmability in the voltage level, step

setting and voltage transition slew rate is desired. It is

used for GFX applications where multiple voltage

levels are desired.

–

D-CAP™ Mode at 350 kHz for Fast

Transient Response

–

D-CAP2™ Mode at 350 kHz for

Ultra-Low/Low ESR Output Capacitor

•

4700 ppm/°C, Low-Side R_DS(on)Current Sensing

The TPS51518 supports all POS/SPCAP and/or all

ceramic MLCC output capacitor options in

applications where remote sense is a requirement.

Tight DC load regulation is achieved through external

programmable integrator capacitor.

Programmable Soft-Start Time and Output

Voltage Transition Time

•

Built-In Output Discharge

Power Good Output

Integrated Boost Switch

The TPS51518 provides full protection suite,

including OVP, OCL, 5-V UVLO and thermal

shutdown. It supports the conversion voltage up to

28 V, and output voltages adjustable from 0.5 V to

2 V.

Built-In OVP/UVP/OCP

Thermal Shutdown (Non-latched)

3 mm × 3 mm, 20-Pin, QFN (RUK) Package

The TPS51518 is available in the 3 mm × 3 mm,

QFN, 0.4-mm pitch package and is specified

from –10°C to 105°C.

GSNS

VSNS

GSNS

SLEW

TRIP

GND

MODE

V5IN

VIN

DRVL

DRVH

VSNS

TPS51518

VOUT

BST

VREF PGOOD VID0

VID1 EN

PGOOD

VID0

VID1 EN

UDG-11217

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, D-CAP2 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...34

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与TPS51518_17相关器件

型号	品牌	获取价格	描述	数据表
TPS51518RUKR	TI	获取价格	Single-Phase, D-CAPâ¢ and D-CAP2â¢ Controll
TPS51518RUKT	TI	获取价格	Single-Phase, D-CAPâ¢ and D-CAP2â¢ Controll
TPS51601A	TI	获取价格	Dual High Efficiency Synchronous MOSFET Driver
TPS51601ADRBR	TI	获取价格	Dual High Efficiency Synchronous MOSFET Driver
TPS51601ADRBT	TI	获取价格	Dual High Efficiency Synchronous MOSFET Driver
TPS51604	TI	获取价格	Synchronous Buck FET Driver Optimized for High-Frequency Applications
TPS51604DSGR	TI	获取价格	Synchronous Buck FET Driver Optimized for High-Frequency Applications
TPS51604DSGT	TI	获取价格	Synchronous Buck FET Driver Optimized for High-Frequency Applications
TPS51604-Q1	TI	获取价格	TPS51604-Q1 Synchronous Buck FET Driver for High-FrequencyCPU Core Power in Automotive App
TPS51604-Q1_15	TI	获取价格	TPS51604-Q1 Synchronous Buck FET Driver for High-FrequencyCPU Core Power in Automotive App

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