RT7273GQW

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RT7273GQW

IC REG BCK ADJ 3A/2A TRPL 40WQFN

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規格

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 3
Voltage-Input(Min) 4.5V
Voltage-Input(Max) 18V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 17V
Current-Output 3A, 2A
Frequency-Switching 300kHz ~ 2.2MHz
SynchronousRectifier Yes
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 40-WFQFN Exposed Pad

概述

Description

The RT7273GQW is a step-down DC-DC converter, designed by Richtek Technology, known for its high efficiency and compact design. It operates with an input voltage range typically from 4.5V to 18V and can deliver output currents up to 3A, making it suitable for various power applications. The device integrates a high-side power MOSFET and uses a current mode control for fast transient response and loop stability.
One of its key features is the fixed switching frequency, which helps minimize electromagnetic interference (EMI) and allows for smaller external components, reducing overall solution size. It also supports a high duty cycle for low dropout applications and includes protection features such as over-current protection (OCP), short-circuit protection (SCP), and thermal shutdown to enhance reliability.
The RT7273GQW is typically used in applications such as distributed power systems, set-top boxes, and LCD displays, where efficient step-down conversion is required. Its compact package and advanced functionalities make it a popular choice for engineers focusing on efficient and reliable power management in compact electronic devices.

Features

The RT7273GQW is a high-efficiency, synchronous step-down DC-DC converter. Key features include:
1. High Efficiency: It offers high-efficiency conversion, essential for battery-powered and energy-sensitive applications.

2. Wide Input Voltage Range: The converter supports a broad input voltage range, making it suitable for various power sources.
3. Adjustable Output: The output voltage can be finely tuned, providing flexibility for different electronic needs.
4. Fast Transient Response: It handles rapid changes in load, maintaining stable operation under dynamic conditions.
5. Integrated FETs: The inclusion of MOSFETs helps in reducing component count and overall footprint.
6. Compact Package: The device is available in a compact form, which is beneficial for space-constrained applications.
7. Protection Features: It includes over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown features to enhance reliability and safety.
8. Low Quiescent Current: Optimized for low standby power consumption, crucial for extending battery life.
This combination of features makes the RT7273GQW a versatile solution for applications requiring efficient power management solutions.

Package

The RT7273GQW is typically available in a WDFN (Wettable Flank Dual Flat No-leads) package. This type of package is known for its small footprint, low profile, and good thermal performance, making it suitable for compact electronic devices.

Pinout

The RT7273GQW is a step-down DC-DC converter IC. It typically comes in a WQFN-20L package, meaning it has 20 pins.
Key functions include:
- Input Voltage Range: It operates over a wide input voltage range, typically from 4.5V to 18V.
- Output Voltage: The output voltage is adjustable, providing flexibility for different applications.
- Switching Frequency: It has a fixed switching frequency, which helps in optimizing the efficiency and performance of the power supply design.
- Current Capability: The device is designed to deliver a substantial output current, making it suitable for powering various loads.
- Efficiency: It is designed for high efficiency, which is critical in battery-powered and thermal-sensitive applications.
- Protection Features: Built-in protection mechanisms such as overcurrent protection, thermal shutdown, and undervoltage lockout to enhance reliability.
The RT7273GQW is suitable for applications requiring efficient step-down conversion with moderate power levels, like consumer electronics, industrial equipment, and communication devices.

Manufacturer

The RT7273GQW is manufactured by Richtek Technology Corporation. Richtek is a semiconductor company that specializes in the design and production of analog integrated circuits, specifically focusing on power management solutions. Their products are used in a variety of applications, including computing, consumer electronics, communications, and industrial devices. Richtek is renowned for providing efficient and innovative power management solutions, which cater to the needs of modern electronic devices.

Application

The RT7273GQW is a DC-DC buck converter used in power management applications. It's commonly found in areas requiring efficient voltage regulation, such as consumer electronics, industrial equipment, telecommunications, and networking devices. Its applications include powering microprocessors, FPGAs, ASICs, and other digital circuits, where stable power supply and high efficiency are critical.

Equivalent

The RT7273GQW is a DC-DC step-down converter. Equivalent products include the TPS54331 from Texas Instruments, the LM2596 from Texas Instruments, and the AP63203 from Diodes Incorporated. These alternatives provide similar functionalities in terms of input voltage range, output current capability, and efficiency. Always verify the exact specifications to ensure complete compatibility for your specific application.

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