RT6228CGQUF

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RT6228CGQUF

+BOM

IC BUCK ADJ 8A SYNC UQFN-12(FC)

  • ManufacturerRichtek USA Inc.

  • Mfr. Part #RT6228CGQUF

  • In Stock8771

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Specifications

Attribute Value
Part Status Active
Topology Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
Number of Outputs 2
Frequency - Switching 750kHz
Voltage / Current - Output 1 Fixed, Fixed, 5.1V, 8A
Voltage / Current - Output 2 Fixed, Fixed, 3.3V, 100mA
w / LED Driver No
w / Supervisor No
w / Sequencer No
Voltage - Supply 5.1V ~ 23V
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 12-UFQFN
Supplier Device Package 12-UQFN-HL (3x3)
Base Product Number RT6228

Overview

Description

The RT6228CGQUF is a high-performance, synchronous step-down DC-DC converter designed by Richtek. It is commonly used in applications requiring efficient power management, such as portable devices, telecommunications, and industrial equipment. The chip can deliver up to 3A of continuous output current over a wide input voltage range of 4.5V to 18V, making it versatile for various power supply designs.
Its key features include high efficiency, fast transient response, and low quiescent current, which helps in conserving power in battery-operated devices. The RT6228CGQUF operates at a fixed frequency, which minimizes electromagnetic interference (EMI) and simplifies the design of the input and output filters. Additional functionalities include an enable pin for easy power management, a power-good indicator for monitoring output voltage stability, and over-current protection to safeguard against circuit damage.
The device is housed in a compact package, typically a QFN (Quad Flat No-leads), which allows for efficient heat dissipation and space-saving on printed circuit boards (PCBs), making it ideal for compact electronic designs.

Equivalent

The RT6228CGQUF is a DC-DC buck converter from Richtek. Equivalent products from other manufacturers would include:
1. LMR33630 from Texas Instruments: A 3.5-V to 36-V, 3-A synchronous step-down voltage regulator.
2. MP2315 from Monolithic Power Systems: A 3A, 24V synchronous buck converter.
3. LT8609S from Analog Devices: A high-efficiency, 42V, 2A synchronous step-down regulator.
These alternatives offer similar functionalities in terms of voltage regulation and efficiency.

Features

The RT6228CGQUF is a synchronous step-down DC-DC converter. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range of 4.5V to 18V, making it versatile for various applications.
2. Output Voltage: It provides an adjustable output voltage as low as 0.8V, allowing for precise power supply configurations.
3. High Efficiency: The converter offers high efficiency over a wide load range, which is ideal for power-sensitive applications.
4. Switching Frequency: Operates at a high switching frequency of 500kHz, facilitating the use of smaller inductors and capacitors.
5. Current Mode Control: This feature enables fast transient response and simplifies loop stabilization.
6. Over-Temperature Protection: Ensures device safety by shutting down the converter in the event of overheating.
7. Under-Voltage Lockout (UVLO): Prevents the device from operating when the input voltage is too low, protecting the system.
8. Compact Package: Available in a small footprint package, suitable for space-constrained designs.
These features make the RT6228CGQUF suitable for applications such as consumer electronics, industrial systems, and telecom equipment.

Pinout

The RT6228CGQUF is a synchronous step-down converter. It typically comes in a WQFN-20L 3x3 package, which means it has 20 pins. This device is used for efficient power management, converting higher input voltages to lower output voltages suitable for various applications. It features a constant on-time control architecture, which provides fast transient response and eases loop stabilization. Key functions include adjustable output voltage, internal compensation, cycle-by-cycle current limit, and thermal shutdown protection. It is commonly used in applications such as consumer electronics, networking, and telecommunications equipment where efficient voltage regulation is required.

Manufacturer

The RT6228CGQUF is manufactured by Richtek Technology Corporation. Richtek is a company that specializes in the design and manufacturing of analog ICs, particularly power management integrated circuits (PMICs). Founded in 1998 and headquartered in Taiwan, Richtek provides a wide range of electronic components used in various applications, including consumer electronics, computing, communications, and industrial sectors. The company is well-regarded for its innovations and solutions in power management, helping to enhance the performance and efficiency of electronic devices.

Application

The RT6228CGQUF is a high-efficiency, synchronous step-down DC-DC converter. It is commonly used in applications that require reliable power management solutions. Key application areas include consumer electronics, industrial equipment, telecommunications, and computing systems. It is particularly suitable for powering microcontrollers, FPGAs, ASICs, and other digital circuits, thanks to its compact design and efficiency. The RT6228CGQUF supports applications that demand fast transient response and high efficiency across a range of load conditions, making it ideal for battery-powered devices and systems requiring energy conservation.

Package

The RT6228CGQUF is a DC-DC buck converter. The package type for this component is a QFN (Quad Flat No-Lead) package. Specifically, it's often available in a compact QFN-16L (16-lead) 3x3 mm package, which provides good thermal performance and a small footprint suitable for space-constrained applications.

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