RT8289GSP

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RT8289GSP

IC REG BUCK ADJUSTABLE 5A 8SOP

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規格

Package Tape & Reel (TR),Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 5.5V
Voltage-Input(Max) 32V
Voltage-Output(Min/Fixed) 1.222V
Voltage-Output(Max) 26V
Current-Output 5A
Frequency-Switching 500kHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-SOIC (0.154, 3.90mm Width) Exposed Pad

概述

Description

The RT8289GSP is a synchronous step-down DC-DC converter designed for efficient power management in electronic devices. It features a wide input voltage range, typically from 4.75V to 24V, and can deliver an output current of up to 3A, making it suitable for a variety of applications including consumer electronics, industrial equipment, and networking devices.
Key characteristics of the RT8289GSP include high efficiency due to its synchronous rectification design, which reduces power loss compared to traditional converters. It incorporates features such as internal compensation, soft-start, and over-current protection to enhance performance and reliability. The device operates at a fixed frequency, which aids in reducing output voltage ripple and improving transient response.
The RT8289GSP comes in a compact SOP-8 package, allowing for easy integration into circuit boards with space constraints. Its design simplifies the power supply architecture by minimizing the need for external components, which can contribute to overall cost savings in system design.
Overall, the RT8289GSP is a versatile and efficient choice for applications requiring reliable voltage regulation and power efficiency.

Features

The RT8289GSP is a high-performance, synchronous step-down DC-DC converter. Key features include:
1. Wide Input Voltage Range: It supports a broad input voltage range, making it versatile for various applications.
2. High Efficiency: The converter is designed to deliver high efficiency across a range of loads, which helps in reducing power loss.
3. Synchronous Operation: This feature reduces the requirement for an external Schottky diode, lowering overall component count and cost.
4. Adjustable Output Voltage: Users can set the output voltage to match their specific needs via external resistors.
5. Integrated MOSFETs: The presence of internal high-side and low-side MOSFETs enhances efficiency and simplifies the design.
6. Fixed Switching Frequency: This ensures predictable EMI performance, simplifying compliance with electromagnetic standards.
7. Protection Features: It includes over-current protection, over-voltage protection, and thermal shutdown for enhanced reliability.
8. Compact Package: The RT8289GSP is available in a small package, ideal for space-constrained applications.
These features make the RT8289GSP suitable for applications like consumer electronics, industrial systems, and computing devices.

Package

The RT8289GSP typically comes in an 8-pin SOP (Small Outline Package) form. This package type is commonly used for surface mounting on PCBs, offering a compact and efficient design for various electronic applications.

Pinout

The RT8289GSP is a DC-DC synchronous step-down converter. It typically comes in a package with a specific pin count and configuration. However, without direct access to the current datasheet, I can provide a general idea. The RT8289GSP is likely to be housed in a typical SOP-8 or similar package, meaning it would have around 8 pins. These pins usually comprise:
1. Input Voltage Pin (VIN): For the input supply voltage.
2. Switch Pin (SW): Connects to the inductor for the switching regulator.
3. Ground Pin (GND): Common ground for the device.
4. Feedback Pin (FB): Used to set the output voltage and provide feedback for regulation.
5. Enable Pin (EN): Enables or shuts down the converter.
6. Compensation Pin (COMP): For external compensation network to stabilize the control loop.
7. Bootstrap Pin (BOOT): Connects an external capacitor to drive the high-side switch.
8. Power Good Indicator (PGOOD): Indicates whether the output voltage is within regulation.
For precise details, including the exact pin count and function, referring to the manufacturer's datasheet is recommended.

Manufacturer

The RT8289GSP is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and manufacturing analog integrated circuits. They are known for producing a wide range of power management solutions, including DC-DC converters, battery management systems, and LED drivers, among others. Richtek's products are commonly used in consumer electronics, computer systems, industrial applications, and communication devices.

Application

The RT8289GSP is a synchronous step-down DC-DC converter commonly used in applications requiring efficient power management. It is suitable for use in consumer electronics, industrial equipment, communication devices, and computing systems. Its capabilities make it ideal for powering microprocessors, FPGAs, ASICs, and other digital circuits. The RT8289GSP delivers high efficiency and precise voltage regulation, making it useful for battery-powered devices and systems needing stable power supply conditions.

Equivalent

The RT8289GSP is a synchronous step-down converter IC. Equivalent products include the LM2596 from Texas Instruments, the MP1584 from Monolithic Power Systems, and the XL4016 from XLSEMI. These alternatives offer similar functionalities in terms of voltage conversion and efficiency, but it's important to review each product's specific specifications and features to ensure compatibility with your application.

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