RT8055GQW

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RT8055GQW

IC REG BUCK ADJ 3A 10WDFN

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規格

Part Status Active
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 2.6V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 5V
Current - Output 3A
Frequency - Switching 300kHz ~ 2MHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package / Case 10-WFDFN Exposed Pad
Supplier Device Package 10-WDFN (3x3)
Base Product Number RT8055

概述

Description

The RT8055GQW is a high-efficiency, monolithic synchronous step-down DC-DC converter designed for portable applications. It operates at a frequency of 1.5MHz and can deliver an output current of up to 3A, making it ideal for battery-powered devices that require efficient power regulation with minimal external components. The converter features a wide input voltage range, typically from 2.6V to 5.5V, and offers adjustable output voltage options, ensuring flexibility for different applications.
Key features of the RT8055GQW include internal compensation, which simplifies the design process, and cycle-by-cycle current limiting, which protects against overcurrent conditions. Additionally, it has a built-in soft-start feature to prevent inrush current during startup, enhancing the overall reliability of the power supply system. The device also supports continuous conduction mode (CCM) and pulse skip modulation (PSM) to optimize efficiency across various load conditions.
Designed for compact solutions, the RT8055GQW is housed in a small WQFN package, making it suitable for space-constrained applications such as smartphones, tablets, and other handheld electronics. Its combination of efficiency, flexibility, and protection features makes it a popular choice for modern power management needs.

Features

The RT8055GQW is a high-efficiency, dual-channel step-down converter designed for portable devices. It features a wide input voltage range from 2.7V to 5.5V, making it suitable for battery-powered applications. The device provides two independent output channels, each capable of delivering up to 2A of continuous output current.
Key features include high switching frequency, typically 1.5MHz, which allows the use of small external components and minimizes solution size. It also integrates a synchronous rectifier to improve efficiency and reduce power loss. The RT8055GQW supports 100% duty cycle operation for low dropout, ensuring the output voltage remains stable even at low battery voltages.
Additional features include internal soft-start, over-temperature protection, short-circuit protection, and under-voltage lockout, enhancing reliability and safety. The device also offers a power-saving mode to improve efficiency at light loads. The compact QFN package makes it ideal for space-constrained applications. Overall, the RT8055GQW is well-suited for mobile phones, tablets, and other portable electronics requiring efficient power management.

Package

The RT8055GQW is typically available in a WQFN (Wafer Level Quad Flat No-Lead) package. This package type is compact and suitable for high-density applications, providing good thermal performance and efficient space utilization on printed circuit boards.

Pinout

The RT8055GQW is a DC-DC step-down converter designed by Richtek. It typically comes in a 16-pin QFN package. This device is primarily used for applications requiring efficient conversion from a high input voltage to a lower output voltage, making it suitable for portable devices and systems requiring power management.
Key functions of the RT8055GQW include:
- Buck Converter: It steps down the input voltage to a desired lower output voltage.
- High Efficiency: Designed to provide efficient power conversion, reducing heat and energy loss.
- Adjustable Output: Allows for a programmable output voltage using external resistors, catering to different application needs.
- Cycle-by-Cycle Current Limit: Protects the device from output short circuit and overcurrent conditions.
- Thermal Shutdown: Protects the device from damage due to overheating.
- Soft-Start Function: Reduces inrush current during startup, minimizing potential damage to the system.
This combination of features makes the RT8055GQW suitable for a wide range of electronic applications where efficient power conversion is necessary.

Manufacturer

The RT8055GQW is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in designing and manufacturing analog integrated circuits, particularly focusing on power management solutions. They provide a wide range of products including DC-DC converters, battery management ICs, LED drivers, and other power management components. Richtek's solutions are commonly used in consumer electronics, computers, communication devices, and industrial applications.

Application

The RT8055GQW is a high-efficiency, dual-output, step-down DC-DC converter. It is commonly used in applications requiring efficient power conversion, such as portable electronics, communication devices, and computing systems. Its compact size and high performance make it suitable for powering processors, FPGAs, and ASICs in smartphones, tablets, and other battery-powered devices.

Equivalent

The RT8055GQW is a synchronous step-down DC-DC converter. Equivalent products may include the TPS62110 from Texas Instruments, ADP2300 from Analog Devices, and LM20323 from Texas Instruments. These alternatives generally offer similar voltage and current specifications suitable for comparable applications, but always check the datasheets to ensure compatibility with your specific requirements.

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