Datasheet > TPS40400_1110

TPS40400_1110

更新时间： 2024-11-05 08:39:03

品牌	Logo	应用领域
德州仪器 - TI		控制器
页数	文件大小	规格书
72页	1956K
描述
3.0-V TO 20-V PMBus SYNCHRONOUS BUCK CONTROLLER

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数据手册

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TPS40400_1110 数据手册

TPS40400

www.ti.com

SLUS930B –APRIL 2011–REVISED OCTOBER 2011

3.0-V TO 20-V PMBus SYNCHRONOUS BUCK CONTROLLER

Check for Samples: TPS40400

FEATURES

APPLICATIONS

•

Input Operating Voltage Range: 3 V to 20 V

PMBus Enabled Analog Controller

Reference 600 mV ± 1%

•

Smart Power Systems

Power Supply Modules

Communications Equipment

Computing Equipment

•

Remote Voltage Sense Amplifier

Internal 6-V Regulator and 6-V Gate Drive

Programmable Overcurrent Protection

DESCRIPTION

The TPS40400 is

cost-optimized flexible

Inductor Resistance or Series Resistance

Used for Current Sensing

synchronous buck controller that operates from a

nominal 3 V to 20 V supply. This controller is an

analog PWM controller that allows programming and

monitoring via the PMBus interface. Flexible features

found on this device include programmable soft-start

time, programmable short circuit limit and

programmable undervoltage lockout (UVLO).

•

Programmable Switching Frequency: 200 kHz

to 2 MHz

•

Powergood Indicator

Thermal Shutdown

Programmable Soft-Start

Internal Bootstrap Diode

Pre-bias Output Safe

24-Pin QFN Package

XXspacerXX

XXXX

SMBALRT

DATA

V_IN

CLK

CNTL

CLK

DATA 24

SMBALRT 23

ADDR1 22

ADDR0 21

VDD 20

CNTL

PGOOD

SYNC

PGOOD

SYNC

TRACK

COMP

TRACK

HDRV 19

TPS40400

BOOT 18

SW 17

V_OUT

–

DIFFO

VSNS+

LDRV 16

GND 15

V_OUT

10 VSNS–

11 ISNS–

ISNS+

BP6 14

BP3

SGND

SNS+

SNS–

UDG-09073

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.

SwitcherPro 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...72

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