TPS54527DDAR

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TPS54527DDAR

IC REG BUCK ADJUSTABLE 5A 8SOPWR

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  • 製造商。 部分 #TPS54527DDAR
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規格

Package Tape & Reel (TR),Cut Tape (CT),Bulk
Series D-CAP2™
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) 6V
Current-Output 5A
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 TPS54527DDAR is a synchronous step-down DC-DC converter from Texas Instruments, designed for use in applications requiring efficient power conversion. It operates with a wide input voltage range from 4.5V to 18V, making it suitable for various power sources, including batteries and standard 12V rails. The device can deliver up to 5A of continuous output current and features an adjustable output voltage ranging from 0.76V to 7V.
Key features include a high efficiency of up to 95%, an integrated high-side and low-side MOSFET to reduce component count, and a fixed 600 kHz switching frequency for compact solution size. It offers protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout to ensure reliable operation.
The TPS54527DDAR is commonly used in applications like consumer electronics, computing, networking, and industrial equipment, where efficiency, size, and cost are crucial. It is available in a small SO PowerPAD package, making it ideal for space-constrained designs.

Features

The TPS54527DDAR is a synchronous step-down converter from Texas Instruments, designed for high-efficiency power management in a variety of applications. Key features include:
1. Wide Input Voltage Range: Supports input voltages from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 5A continuous output current.
3. High Efficiency: Achieves efficiency up to 95% through its advanced switching technology.
4. Adjustable Output Voltage: Offers output voltage adjustment from 0.76V to 6V, providing flexibility for various system requirements.
5. Switching Frequency: Operates at a fixed frequency of 700 kHz, optimizing size and efficiency.
6. Soft Start Feature: Includes a programmable soft-start feature to limit inrush current and manage startup.
7. Protection Features: Built-in over-current protection, thermal shutdown, and under-voltage lockout enhance reliability.
8. Compact Package: Available in a small, thermally enhanced 8-pin SO PowerPAD™ package, facilitating easy integration into space-constrained designs.
These features make the TPS54527DDAR suitable for use in consumer electronics, industrial equipment, and other applications requiring efficient and reliable power conversion.

Package

The TPS54527DDAR is a step-down converter from Texas Instruments. It comes in an 8-pin SO PowerPAD package, also known as an 8-pin SOIC with a thermal pad. This packaging facilitates better thermal performance and heat dissipation.

Pinout

The TPS54527DDAR is a DC-DC converter integrated circuit from Texas Instruments. It is available in a 8-pin SO PowerPAD package. Here's a brief overview of its pin functions:
1. BOOT: (Pin 1) Supplies voltage to the high-side floating gate driver.
2. VIN: (Pin 2) Input supply voltage.
3. EN: (Pin 3) Enable pin; a high level enables the device, while a low level disables it.
4. SS/TR: (Pin 4) Soft start and tracking. This pin sets the soft-start time and can be used for tracking purposes.
5. GND: (Pin 5) Ground connection.
6. FB: (Pin 6) Feedback pin for setting the output voltage via an external resistor divider.
7. COMP: (Pin 7) Compensation pin for loop stability; connects to an external compensation network.
8. SW: (Pin 8) Switch output; connects to the inductor and the diode or synchronous rectifier.
The device is designed for step-down (buck) conversion, supporting output currents up to 5 A, and is commonly used in power management applications.

Manufacturer

The TPS54527DDAR is manufactured by Texas Instruments. Texas Instruments (TI) is a global semiconductor company that designs and produces a broad range of analog and embedded processing chips. These chips are used in electronic devices to perform various functions, including power management, signal processing, and data conversion. TI is known for its innovation and significant contributions to various industries such as automotive, industrial, consumer electronics, and communication equipment.

Application

The TPS54527DDAR is a DC-DC buck converter designed for various applications requiring efficient power management. It is commonly used in telecommunications, networking, and computing systems to regulate power supply for processors, FPGAs, and ASICs. Its high efficiency and compact design make it suitable for use in consumer electronics, industrial equipment, and automotive systems, where space and thermal management are crucial. Additionally, it supports portable devices and embedded systems requiring reliable power conversion with overcurrent protection and soft-start features.

Equivalent

Equivalent products to the TPS54527DDAR, a DC-DC step-down converter from Texas Instruments, include the LM2675-5.0 from Texas Instruments, the MP1584EN from MPS (Monolithic Power Systems), and the LTC3633 from Analog Devices. These alternatives offer similar functionalities such as voltage regulation, current output, and efficiency, but always verify the specifications and compatibility with your design requirements before substituting components.

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