Datasheet > TPS40041

TPS40041

更新时间： 2024-11-06 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
36页	768K
描述
LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE

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TPS40041 数据手册

TPS40040, TPS40041

www.ti.com

SLUS700B–MARCH 2006–REVISED MARCH 2006

LOW PIN COUNT, LOW V (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC

CONTROLLER WITH ENABLE

FEATURES

CONTENTS

•

2.25-V to 5.5-V Input

Device Ratings

Output Voltage from 0.6 V to 90% of VIN

High-Side Drive for N-Channel FET

Supports Pre-Biased Outputs

Adaptive Anti-Cross Conduction Gate Drive

1%, 0.6-V Reference

Electrical Characteristics

Device Information

Application Information

Design Examples

Two Fixed Switching Frequency Versions,

TPS40040 (300 kHz) and TPS40041 (600 kHz)

Additional References

•

Three Selectable Short Circuit Protection

Levels of 105 mV, 180 mV and 310 mV

DESCRIPTION

The TPS40040 and TPS40041 dc-to-dc controllers

are designed to operate from a 2.25-V to 5.5-V input

source. To reduce the number of external

components, several operating parameters are fixed

internally; namely, frequency, soft start time, and

short circuit protection (SCP) levels. For example, the

operating frequencies of TPS40040/1 are 300

kHz/600 kHz, respectively.

•

Hiccup Restart from Faults

Voltage Mode Control

Active Low Enable

Thermal Shutdown Protection at 145°C

8-Pin, 3-mm x 3-mm SON with Ground

Connection to Thermal Pad

APPLICATIONS

•

Point of Load

Telecommunications

DC to DC Modules

Set Top Boxes

SIMPLIFIED APPLICATION DIAGRAM

VIN

TPS40040/1

HDRV

BOOT

LDRV

VOUT

COMP

GND

VDD

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.

PowerPAD is a trademark of Texas Instruments.

Predictive Gate Drive is a registered 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...36

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与TPS40041相关器件

型号	品牌	获取价格	描述	数据表
TPS40041DRBR	TI	获取价格	LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE
TPS40041DRBRG4	TI	获取价格	LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE
TPS40041DRBT	TI	获取价格	LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE
TPS40041DRBTG4	TI	获取价格	LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE
TPS40042	TI	获取价格	LOW PIN COUNT, LOW VIN (3.0 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH EXTERNAL
TPS40042_16	TI	获取价格	LOW PIN COUNT, LOW VIN (3.0 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH EXTERNAL
TPS40042DRCR	TI	获取价格	LOW PIN COUNT, LOW VIN (3.0 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH EXTERNAL
TPS40042DRCT	TI	获取价格	LOW PIN COUNT, LOW VIN (3.0 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH EXTERNAL
TPS40042DRCTG4	TI	获取价格	LOW PIN COUNT, LOW VIN (3.0 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH EXTERNAL
TPS40050	TI	获取价格	WIDE-INPUT SYNCHRONOUS BUCK CONTROLLER

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