TPS54628DDAR

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TPS54628DDAR

IC REG BUCK ADJUSTABLE 6A 8SOPWR

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  • 包 HSOIC (DDA)-8
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規格

Package Tape & Reel (TR),Cut Tape (CT)
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) 0.765V
Voltage-Output(Max) 5.5V
Current-Output 6A
Frequency-Switching 650kHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-PowerSOIC (0.154, 3.90mm Width)

概述

Description

The TPS54628DDAR is a high-efficiency, synchronous step-down DC-DC converter manufactured by Texas Instruments. It belongs to the TPS54628 series, designed to provide a compact and reliable power supply solution for various electronic applications. The device is capable of delivering up to 6 A of continuous output current, with an input voltage range from 4.5 V to 18 V, making it suitable for a wide range of applications including consumer electronics, industrial equipment, and computing systems.
Key features of the TPS54628DDAR include an integrated high-side and low-side MOSFET, which enhances efficiency and minimizes the need for external components. The converter operates at a fixed frequency of 700 kHz, which helps in optimizing the size of external components, further reducing the overall footprint of the power supply design. It also features an adjustable output voltage with an external resistor divider and includes protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout.
The TPS54628DDAR is housed in a small, thermally enhanced 8-pin SO PowerPAD package, which supports efficient heat dissipation and increases the reliability of the device in demanding environments.

Features

The TPS54628DDAR is a synchronous buck converter from Texas Instruments, designed for efficient power management in various applications. Key features include:
1. Input Voltage Range: Operates from 4.5 V to 18 V, making it versatile for different power sources.
2. Output Current: Provides up to 6 A continuous output current suitable for high-power requirements.
3. Adjustable Output Voltage: Output voltage can be set via an external resistor divider, accommodating a range of system requirements.
4. High Efficiency: Utilizes synchronous rectification to achieve efficiencies up to 95%.
5. Switching Frequency: Fixed at 700 kHz, allowing for smaller external components and reduced overall footprint.
6. Current Mode Control: Enhances transient response and simplifies loop compensation.
7. Protection Features: Includes overcurrent protection, thermal shutdown, and undervoltage lockout for reliable operation.
8. Soft Start: Adjustable soft start function to manage inrush current and ensure smooth power-up.
9. Package: Available in a thermally enhanced 8-pin SO PowerPAD package, facilitating efficient heat dissipation.
These features make the TPS54628DDAR an ideal choice for applications requiring compact, efficient, and reliable DC-DC conversion.

Package

The TPS54628DDAR is packaged in an 8-pin SO PowerPAD (DDA) package. This package enhances thermal performance and is commonly used for the efficient management of heat in integrated circuits.

Pinout

The TPS54628DDAR is a DC-DC buck converter from Texas Instruments. It comes in an 8-pin SO PowerPAD package. The key functions and pin descriptions are as follows:
1. BOOT: Bootstrap input for high-side FET gate driver.
2. VIN: Input voltage supply, typically ranging from 4.5 V to 18 V.
3. SW: Switch node, connects to the inductor.
4. GND: Ground reference for the device.
5. FB: Feedback input for setting the output voltage through a resistor divider.
6. COMP: Compensation pin for loop stability.
7. EN: Enable pin; a high level enables the device.
8. VSENSE: Senses the output voltage for regulation and protection features.
These pins are used to configure and control the converter, providing efficient voltage regulation for a variety of applications.

Manufacturer

The TPS54628DDAR is manufactured by Texas Instruments (TI). Texas Instruments is a multinational technology company headquartered in Dallas, Texas, known for designing and manufacturing semiconductors and various integrated circuits. These products are widely used in electronics across different industries, enhancing performance in applications like consumer electronics, automotive, industrial equipment, and telecommunications. TI is particularly renowned for its development of analog chips and embedded processors, which play a crucial role in powering a wide range of electronic devices.

Application

The TPS54628DDAR is a synchronous step-down DC-DC converter used in various applications that require efficient power management. Key application areas include telecommunications, networking equipment, industrial power systems, and consumer electronics. It is suitable for powering microcontrollers, FPGAs, DSPs, and other digital loads, offering high efficiency and reliability in converting higher voltage supplies to lower voltages suitable for these components.

Equivalent

The TPS54628DDAR is a DC-DC converter from Texas Instruments. Equivalent products include:
1. LM43603 from Texas Instruments - A 3A synchronous step-down regulator.
2. MP2229 from Monolithic Power Systems - A 3A, 18V Synchronous Step-Down Converter.
3. LTM4622 from Analog Devices - Dual 2.5A step-down regulator.
4. LT8610 from Analog Devices - A 2.5A, 42V input capable synchronous step-down switching regulator.
Always verify compatibility with your specific application requirements.

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