RT8077GQW

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RT8077GQW

+BOM

IC REG BUCK ADJUSTABLE 2A 8WDFN

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.6V
Voltage-Input(Max) 5.5V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 5V
Current-Output 2A
Frequency-Switching 300kHz ~ 2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad

Overview

Description

The RT8077GQW is a high-performance, dual-output step-down switching regulator designed for efficient power management in various electronic applications. Manufactured by Richtek Technology, it integrates two synchronous buck converters capable of delivering high-efficiency power conversion with minimal external components. The RT8077GQW supports wide input voltage ranges and provides adjustable output voltages, making it suitable for applications requiring flexible power solutions, such as in networking equipment, consumer electronics, and computing devices.
Key features include a high switching frequency to reduce overall component size, built-in over-current protection, and thermal shutdown to enhance reliability and safety. The device's compact package and low quiescent current design make it ideal for space-constrained and battery-powered applications. The RT8077GQW ensures stable operation under various load conditions through its advanced feedback mechanism. With its blend of efficiency, flexibility, and protection features, the RT8077GQW is a versatile choice for modern power regulation needs.

Equivalent

The RT8077GQW is a dual-output, high-efficiency synchronous step-down DC-DC converter. Equivalent products include Texas Instruments' TPS54231, Maxim Integrated's MAX17501, and Analog Devices' ADP2301. These alternatives offer similar functionalities in terms of voltage regulation and efficiency for similar applications, although specific features and pin configurations may vary. Always check the datasheet to ensure compatibility with your specific requirements.

Features

The RT8077GQW is a high-efficiency, synchronous step-down DC-DC converter designed for low-voltage applications. It operates with an input voltage range of 2.7V to 5.5V, making it suitable for battery-powered devices. The converter can deliver an output current of up to 1A, supporting output voltages as low as 0.6V.
Key features include a high switching frequency of 1.5MHz, which allows the use of smaller external components, thus saving space. The RT8077GQW integrates both the high-side and low-side MOSFETs, enhancing efficiency and reducing the need for additional components. It also features a precise reference voltage (±2% accuracy) and a high-speed transient response, which ensures stable operation under varying load conditions.
The device incorporates built-in protection mechanisms such as over-temperature protection, over-current protection, and under-voltage lockout to enhance reliability. Its compact 6-pin WDFN package aids in space-constrained designs. Additionally, the RT8077GQW supports power-saving modes, including automatic pulse-skipping operation at light loads, to improve battery life in portable applications.

Pinout

The RT8077GQW is a DC-DC step-down converter. It typically comes in a WQFN-20L package, meaning it has 20 pins. The main functions of the RT8077GQW are to convert a higher input voltage to a lower output voltage with high efficiency, making it suitable for applications such as powering processors and other digital circuits.
Key features often include a fixed switching frequency, built-in high-side and low-side power MOSFETs for synchronous rectification, and various protection mechanisms like over-current protection, under-voltage lockout, and thermal shutdown. The device is designed to provide a stable and regulated output voltage, typically adjustable via external resistors. The specific pin functions include VIN for input voltage, VOUT for output voltage, EN for enabling the device, FB for feedback to regulate the output voltage, GND for ground, and others related to switching and control functions.
For precise pin configuration and functions, consulting the device's datasheet from the manufacturer is recommended.

Manufacturer

The RT8077GQW is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and developing analog IC solutions. They are primarily known for their power management integrated circuits (PMICs), which are used in a wide range of electronic devices and applications. The company focuses on providing high-performance, reliable, and efficient power management solutions to meet the demands of various industries, including consumer electronics, computing, industrial, and telecommunications. Richtek is considered a key player in the semiconductor industry, particularly in the power management sector.

Application

The RT8077GQW is a high-efficiency, dual-channel step-down converter commonly used in various applications. Key areas include portable electronic devices, such as smartphones and tablets, where efficient power management is crucial for prolonging battery life. It's also used in computing devices like laptops and netbooks for managing power distribution. The converter is suitable for networking equipment, where it helps maintain efficient operation under varying loads. Additionally, it's employed in industrial and consumer electronics for efficient voltage regulation. Its compact size and high efficiency make it ideal for applications requiring reliable power conversion with limited space constraints.

Package

The RT8077GQW is housed in a 20-pin QFN (Quad Flat No-Lead) package. This package type offers a compact and thermally efficient design, suitable for surface-mount applications.

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