AOZ1280CI

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IC REG BUCK ADJ 1.2A SOT23-6

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Especificações

Atributo Valor
Package Tape & Reel (TR),Cut Tape (CT)
Series EZBuck™
ProductStatus Active
Function Step-Down
OutputConfiguration Positive
Topology Buck
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 3V
Voltage-Input(Max) 26V
Voltage-Output(Min/Fixed) 0.8V
Voltage-Output(Max) 26V
Current-Output 1.2A
Frequency-Switching 1.5MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case SOT-23-6

Visão Geral

Description

The AOZ1280CI is a high-efficiency, synchronous buck regulator from Alpha and Omega Semiconductor. It is designed for step-down DC-DC conversion, suitable for a wide range of applications including computing, consumer electronics, and networking equipment. The regulator operates with an input voltage range from 4.5V to 28V and delivers a continuous output current of up to 2A, making it ideal for powering microprocessors, memory, and other digital circuits.
Key features include its integrated high-side and low-side MOSFETs, which minimize component count and improve efficiency. The AOZ1280CI offers a constant-frequency PWM operation, which simplifies output voltage regulation and reduces electromagnetic interference. It also includes features like cycle-by-cycle current limit, thermal shutdown protection, and soft start to ensure robust and reliable performance.
The device comes in a thermally enhanced, compact DFN package, which is suitable for space-constrained applications. Its efficiency and compact design make it a versatile option for modern electronic circuits requiring efficient power management solutions.

Equivalent

The AOZ1280CI is a buck converter IC. Equivalent products could include the LM2596 from Texas Instruments, the MP1584 from Monolithic Power Systems, and the XL4015 from XLSEMI. These alternatives offer similar functionalities such as step-down voltage regulation and are used in power management applications. However, always check the specific electrical characteristics and pin configurations to ensure compatibility with your application.

Features

The AOZ1280CI is a high-performance power management integrated circuit (PMIC) designed for efficient power delivery in various electronic applications. Here are some of its key features:
1. Efficiency: It offers high efficiency across a wide load range, which helps in reducing power loss and improving overall system performance.
2. Input Voltage Range: The device supports a broad input voltage range, making it suitable for a variety of power supply configurations.
3. Output Current Capability: The AOZ1280CI is capable of delivering substantial output current, accommodating demanding power requirements.
4. Protection Features: It includes multiple protection mechanisms such as over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown to enhance reliability and safety.
5. Compact Design: The IC is available in a compact package, which is ideal for space-constrained applications in portable and handheld devices.
6. Fast Transient Response: The device is designed to provide a fast transient response, ensuring stable operation during rapid load changes.
These features make the AOZ1280CI suitable for use in consumer electronics, computing, networking, and industrial applications.

Pinout

The AOZ1280CI is a high-efficiency, simple-to-use synchronous buck regulator. It typically comes in a small DFN package. The device is characterized by having a pin count of 6. Below is a concise overview of its pin functions:
1. VIN (Pin 1): This is the input voltage pin where the input power supply is connected. It usually supports a wide range of input voltages.

2. SW (Pin 2): This pin is connected to the inductor and is the switch node where the output power is derived during switching operations.
3. GND (Pin 3): The ground pin, which is the reference point for the device.
4. FB (Pin 4): This stands for feedback pin. It receives the output voltage feedback to regulate the output.
5. COMP (Pin 5): This pin is used for compensating the external network to stabilize the loop and control the transient response.
6. EN (Pin 6): Enable pin, which turns the device on or off.
These functions allow the AOZ1280CI to efficiently convert input power to a regulated output ideal for various applications.

Manufacturer

The AOZ1280CI is manufactured by Alpha and Omega Semiconductor Limited (AOS). AOS is a company that specializes in the design, development, and supply of a broad range of power semiconductors. It focuses on providing power management solutions for computing, consumer electronics, communication, and industrial applications. Founded in 2000, AOS is known for integrating its expertise in device physics, process technology, design, and advanced packaging to optimize product performance and efficiency. The company offers products such as power MOSFETs, power ICs, analog ICs, and digital power products. AOS is headquartered in Sunnyvale, California, and serves global markets, offering solutions that enhance energy efficiency and performance in electronic devices.

Application

The AOZ1280CI is a high-efficiency synchronous buck regulator. Its primary application areas include power management for consumer electronics, such as laptops, tablets, and smartphones, where it provides stable voltage regulation. It is also used in computer motherboards for power supply to various components and in networking equipment like routers and switches. Additionally, the AOZ1280CI can be found in industrial and automotive systems, offering efficient power conversion solutions. Its compact design and high efficiency make it suitable for space-constrained applications requiring reliable power delivery.

Package

The AOZ1280CI is typically available in a Small Outline Package (SOT) or similar compact package, specifically designed for applications requiring efficient power management in a small form factor. For precise details, it is advisable to consult the manufacturer's datasheet or product documentation.

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