TPS40021MPWPEP

更新时间： 2024-11-18 13:14:51

品牌	Logo	应用领域
德州仪器 - TI		输入元件控制器
页数	文件大小	规格书
32页	408K
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TPS40021MPWPEP 数据手册

ꢀꢁ ꢂ ꢃꢄ ꢄꢅ ꢄ

ꢀꢁ ꢂ ꢃꢄ ꢄꢅ ꢆ

www.ti.com

SLUS535C − MARCH 2003 − REVISED SEPTEMBER 2004

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FEATURES

DESCRIPTION

Operating Input Voltage 2.25 V to 5.5 V

The TPS4002x family of dc-to-dc controllers are designed

for non-isolated synchronous buck regulators, providing

enhanced operation and design flexability through user

programmability.

Output Voltage as Low as 0.7 V

1% Internal 0.7 V Reference

Predictive Gate Drive N-Channel MOSFET

Drivers for Higher Efficiency

The TPS4002x utilizes a proprietary Predictive Gate

Drive technology to minimize the diode conduction

losses associated with the high-side and synchronous

rectifier N-channel MOSFET transistions. The integrated

charge pump with boost circuit provides a regulated 5-V

gate drive for both the high side and synchronous rectifier

N-channel MOSFETs. The use of the Predictive Gate

Drive technology and charge pump/boost circuits

combine to provide a highly efficient, smaller and less

expensive converter.

Externally Adjustable Soft-Start and Short

Circuit Current Limit

Programmable Fixed-Frequency

100 KHz-to-1 MHz Voltage-Mode Control

Source-Only Current or Source/Sink Current

Quick Response Output Transient

Comparators with Power Good Indication

Provide Output Status

Design flexibility is provided through user programmability

of such functions as: operating frequency, short circuit

current detection thresholds, soft-start ramp time, and

external synchronization frequency. The operating

frequency is programmable using a single resistor over a

frequency range of 100 kHz to 1 MHz. Higher operating

frequencies yield smaller component values for a given

converter power level as well as faster loop closure.

16-Pin PowerPAD Package

APPLICATIONS

Networking Equipment

Telecom Equipment

Base Stations

Servers

DSP Power

VDD

VOUT

TPS40020

VDD 2.25 V − 5.5 V

ILIM/

SYNC

BOOT1

HDRV

VOUT

VDD

OSNS

SW 14

BOOT2 13

PVDD 12

LDRV 11

PGND 10

COMP

SS/SD

SGND

PWRGD

UDG−02094

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 and Predictive Gate Drive are trademarks of Texas Instruments.

ꢁꢘ ꢏ ꢌꢓ ꢋ ꢀꢒ ꢏ ꢈ ꢌ ꢊꢀꢊ ꢛꢜ ꢝꢞ ꢟ ꢠꢡ ꢢꢛꢞꢜ ꢛꢣ ꢤꢥ ꢟ ꢟ ꢦꢜꢢ ꢡꢣ ꢞꢝ ꢧꢥꢨ ꢩꢛꢤ ꢡꢢꢛ ꢞꢜ ꢪꢡ ꢢꢦꢫ ꢁꢟ ꢞꢪꢥ ꢤꢢꢣ

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中文翻译

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TPS40021MPWPEP 替代型号

型号	品牌	替代类型	描述	数据表
TPS40021MPWPREP	TI	完全替代	增强型产品：同步压降控制器 \| PWP \| 16 \| -55 to 125
V62/12601-01XE	TI	完全替代	增强型产品：同步压降控制器 \| PWP \| 16 \| -55 to 125

与TPS40021MPWPEP相关器件

型号	品牌	获取价格	描述	数据表
TPS40021MPWPREP	TI	获取价格	增强型产品：同步压降控制器 \| PWP \| 16 \| -55 to 125
TPS40021PWP	TI	获取价格	ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER
TPS40021PWPG4	TI	获取价格	Enhanced Low Input (2.25V-5.5V) up to 1MHz Frequency, Sync. Buck Controller, source/sink 1
TPS40021PWPR	TI	获取价格	ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER
TPS40021PWPRG4	TI	获取价格	ENHANCED LOW INPUT VOLTAGE MODE SYNCHRONOUS BUCK CONTROLLER
TPS40040	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
TPS40040_15	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
TPS40040DRBR	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
TPS40040DRBRG4	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
TPS40040DRBT	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

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