TPS54428DRCR

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TPS54428DRCR

IC REG BUCK ADJUSTABLE 4A 10VSON

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  • 製造商。 部分 #TPS54428DRCR
  • 包 VSON (DRC)-10
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規格

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series D-CAP2™, Eco-Mode™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.76V
Voltage-Output(Max) 7V
Current-Output 4A
Frequency-Switching 650kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 10-VFDFN Exposed Pad

概述

Description

The TPS54428DRCR is a step-down (buck) synchronous DC-DC converter from Texas Instruments. It is designed to efficiently convert a higher input voltage to a lower output voltage with high efficiency and low noise. The device supports an input voltage range from 4.5 V to 18 V and can deliver up to 4 A of continuous output current, making it suitable for a variety of applications such as distributed power systems, digital TV power supplies, and other consumer electronics.
The TPS54428 features integrated MOSFETs, which help reduce the overall component count and improve efficiency. It operates at a fixed switching frequency of 700 kHz, allowing for smaller external components and a compact design. The converter also includes various protection features such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
One of the key benefits of the TPS54428 is its high efficiency, aided by its synchronous rectification topology. This contributes to reduced heat generation and longer battery life in portable applications. Overall, the TPS54428DRCR is valued for its compact size, robust performance, and versatility in various power management applications.

Features

The TPS54428DRCR is a synchronous step-down (buck) DC-DC converter by Texas Instruments. It features a wide input voltage range from 4.5V to 18V, making it suitable for various applications. The device is capable of delivering up to 4A of continuous output current with high efficiency. It operates at a fixed frequency of 700 kHz, which helps in reducing the size of external components and minimizing the output ripple voltage.
Key features include built-in overcurrent protection, undervoltage lockout, and thermal shutdown to enhance reliability and protect against fault conditions. The converter also has an adjustable soft-start feature to reduce inrush current during startup. It comes in a small, thermally enhanced VSON package, which aids in efficient thermal management.
The TPS54428DRCR supports a range of output voltages adjustable via an external resistor divider, providing flexibility for different applications. Its internal compensation simplifies the design process, and its high efficiency reduces overall power loss, making it ideal for use in applications like consumer electronics, industrial systems, and communication equipment.

Package

The TPS54428DRCR is a DC-DC buck converter from Texas Instruments, provided in a 10-pin VSON (Very Thin Small Outline No-lead) package, also known as DRC package. This package type is compact, offering thermal efficiency and allowing for a smaller solution size in various applications.

Pinout

The TPS54428DRCR is a DC-DC buck converter from Texas Instruments. It is typically available in a 10-pin VSON (DRC) package. The primary function of this device is to convert a higher input voltage to a lower output voltage with high efficiency, suitable for applications requiring up to 4 A of output current. Key features include adaptive on-time D-CAP2™ mode control, which provides fast transient response and simplifies loop compensation, as well as built-in protection features such as overcurrent protection, overvoltage protection, and thermal shutdown. This converter is commonly used in applications such as telecommunications, networking equipment, and industrial power systems.

Manufacturer

The TPS54428DRCR is manufactured by Texas Instruments Incorporated. Texas Instruments, commonly known as TI, is an American technology company headquartered in Dallas, Texas. It designs and manufactures semiconductors and various integrated circuits, which it sells to electronics designers and manufacturers globally. TI is one of the top ten semiconductor companies worldwide, focusing on developing analog chips and embedded processors, which are used in a wide range of electronic devices, from consumer electronics to industrial equipment. The company is known for its commitment to innovation and quality, providing solutions that help in advancing various fields, including automotive, industrial, personal electronics, communications equipment, and enterprise systems.

Application

The TPS54428DRCR is a step-down voltage regulator commonly used in applications requiring efficient power conversion. Key application areas include:
1. Consumer electronics, such as set-top boxes and digital TVs.
2. Networking equipment, like routers and switches.
3. Industrial automation systems.
4. Computing devices, including desktop and notebook PCs.
5. Telecommunications infrastructure equipment.
Its features, such as high efficiency, compact design, and reliable performance, make it suitable for any system needing stable power delivery in these sectors.

Equivalent

Equivalent products to the TPS54428DRCR, a DC-DC buck converter from Texas Instruments, include:
1. LM2596 by Texas Instruments - another popular buck converter.
2. MP2307 by Monolithic Power Systems - a synchronous buck converter.
3. LMR33630 by Texas Instruments - a newer, efficient buck converter.
4. LT8610 by Analog Devices - a high-efficiency buck regulator.
5. MAX17502 by Maxim Integrated - an efficient step-down power module.
Always verify specifications to ensure compatibility with your specific application.

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