規格
| 屬性 | 價值 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | EZBuck™ |
| Part Status | Active |
| Function | Step-Down |
| Output Configuration | Positive |
| Topology | Buck |
| Output Type | Adjustable |
| Number of Outputs | 1 |
| Voltage - Input (Min) | 3V |
| Voltage - Input (Max) | 36V |
| Voltage - Output (Min/Fixed) | 0.8V |
| Voltage - Output (Max) | 30.6V |
| Current - Output | 2.5A |
| Frequency - Switching | 200kHz ~ 2MHz |
| Synchronous Rectifier | No |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
概述
Description
The AOZ1283PI is a buck converter, a type of DC-DC step-down voltage regulator, designed for power management in various electronic devices. Manufactured by Alpha & Omega Semiconductor, it is known for its high efficiency and compact design. The AOZ1283PI typically operates with an input voltage range from 4.5V to 36V and delivers an output current up to 3A, making it suitable for a variety of applications, including consumer electronics, networking devices, and industrial equipment.
This regulator features a fixed switching frequency of 500kHz, which helps to minimize output voltage ripple and reduce external component size. It incorporates various protection mechanisms such as over-current protection, over-temperature protection, and short-circuit protection to enhance reliability and safety. The device is housed in a thermally enhanced SO-8 package, which aids in heat dissipation and allows for efficient performance in space-constrained applications. Overall, the AOZ1283PI provides a cost-effective and reliable solution for managing power in modern electronic systems.
This regulator features a fixed switching frequency of 500kHz, which helps to minimize output voltage ripple and reduce external component size. It incorporates various protection mechanisms such as over-current protection, over-temperature protection, and short-circuit protection to enhance reliability and safety. The device is housed in a thermally enhanced SO-8 package, which aids in heat dissipation and allows for efficient performance in space-constrained applications. Overall, the AOZ1283PI provides a cost-effective and reliable solution for managing power in modern electronic systems.
Equivalent
The AOZ1283PI is a buck converter IC. Equivalent products may include:
1. TI LM2736: A 3.0 A, 0.8 MHz Step-Down DC-DC Converter.
2. Microchip MCP16321: A high-efficiency, 3.0 A peak, synchronous step-down regulator.
3. On Semiconductor NCP3170: A step-down switching regulator with similar specifications.
Ensure compatibility by checking detailed specifications and pin configurations before considering replacements.
1. TI LM2736: A 3.0 A, 0.8 MHz Step-Down DC-DC Converter.
2. Microchip MCP16321: A high-efficiency, 3.0 A peak, synchronous step-down regulator.
3. On Semiconductor NCP3170: A step-down switching regulator with similar specifications.
Ensure compatibility by checking detailed specifications and pin configurations before considering replacements.
Features
The AOZ1283PI is a high-efficiency, synchronous buck regulator designed for various applications. Key features include:
1. Input Voltage Range: Supports a wide input range from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 3A continuous output current, suitable for moderate power applications.
3. Efficiency: High efficiency up to 95%, reducing power loss and improving thermal performance.
4. Switching Frequency: Fixed high switching frequency of 500kHz, allowing use of smaller external components and compact design.
5. Integrated MOSFETs: Features internal high-side and low-side MOSFETs, simplifying design and improving efficiency.
6. Protection Features: Equipped with over-current protection, over-voltage protection, and thermal shutdown for robust operation.
7. Compact Package: Available in a thermally enhanced 8-pin SOIC package, facilitating efficient heat dissipation and easy integration in space-constrained environments.
8. Soft Start: Includes a soft start feature to prevent inrush current during startup.
These attributes make the AOZ1283PI suitable for applications like consumer electronics, networking equipment, and other systems requiring efficient step-down power conversion.
1. Input Voltage Range: Supports a wide input range from 4.5V to 18V, making it versatile for different power sources.
2. Output Current: Capable of delivering up to 3A continuous output current, suitable for moderate power applications.
3. Efficiency: High efficiency up to 95%, reducing power loss and improving thermal performance.
4. Switching Frequency: Fixed high switching frequency of 500kHz, allowing use of smaller external components and compact design.
5. Integrated MOSFETs: Features internal high-side and low-side MOSFETs, simplifying design and improving efficiency.
6. Protection Features: Equipped with over-current protection, over-voltage protection, and thermal shutdown for robust operation.
7. Compact Package: Available in a thermally enhanced 8-pin SOIC package, facilitating efficient heat dissipation and easy integration in space-constrained environments.
8. Soft Start: Includes a soft start feature to prevent inrush current during startup.
These attributes make the AOZ1283PI suitable for applications like consumer electronics, networking equipment, and other systems requiring efficient step-down power conversion.
Pinout
The AOZ1283PI is a high-efficiency, simple-to-use DC-DC buck regulator from Alpha & Omega Semiconductor. It typically comes in a small outline package. The device features a pin count of 6 pins.
Functions of these pins include:
1. VIN: Power input pin where the input voltage is supplied.
2. GND: Ground pin for the device.
3. EN: Enable pin to control the operation of the regulator; tying it high enables the device, and low disables it.
4. FB: Feedback pin used to set the output voltage via a resistor divider network.
5. SW: Switch node pin, connected to the inductor and used for transferring energy to the output.
6. COMP: Compensation pin for stability control of the output voltage loop.
These pins allow the AOZ1283PI to convert higher input voltages (up to a certain limit) down to a desired lower output voltage, making it suitable for various power management applications. Make sure to refer to the specific datasheet for detailed pin configurations and electrical characteristics.
Functions of these pins include:
1. VIN: Power input pin where the input voltage is supplied.
2. GND: Ground pin for the device.
3. EN: Enable pin to control the operation of the regulator; tying it high enables the device, and low disables it.
4. FB: Feedback pin used to set the output voltage via a resistor divider network.
5. SW: Switch node pin, connected to the inductor and used for transferring energy to the output.
6. COMP: Compensation pin for stability control of the output voltage loop.
These pins allow the AOZ1283PI to convert higher input voltages (up to a certain limit) down to a desired lower output voltage, making it suitable for various power management applications. Make sure to refer to the specific datasheet for detailed pin configurations and electrical characteristics.
Manufacturer
The AOZ1283PI is manufactured by Alpha and Omega Semiconductor Limited (AOS). AOS is a company specializing in the design, development, and global supply of a broad range of power semiconductors, including power MOSFETs, IGBTs, power ICs, and digital power products. These components are essential in controlling and converting electrical energy efficiently across a wide array of electronic devices and systems. AOS focuses on providing high-performance solutions for applications in consumer electronics, computing, communications, and industrial sectors. Established with a commitment to innovation, AOS integrates advanced technologies to enhance power management and efficiency in various electronics applications.
Application
The AOZ1283PI is a high-efficiency synchronous buck converter used primarily in applications requiring step-down voltage conversion. Key application areas include:
1. Consumer Electronics: Powering microprocessors, GPUs, and other digital circuits in devices like smartphones, tablets, and laptops.
2. Telecommunications: Voltage regulation in network equipment and communication infrastructure.
3. Industrial Equipment: Supports control systems, robotics, and automation by providing stable power supply.
4. Automotive: Used in infotainment systems, ADAS, and various electronic control units (ECUs).
5. Data Centers: Supports efficient power management in servers and storage systems.
Its compact design and high efficiency make it suitable for applications where space and power efficiency are critical.
1. Consumer Electronics: Powering microprocessors, GPUs, and other digital circuits in devices like smartphones, tablets, and laptops.
2. Telecommunications: Voltage regulation in network equipment and communication infrastructure.
3. Industrial Equipment: Supports control systems, robotics, and automation by providing stable power supply.
4. Automotive: Used in infotainment systems, ADAS, and various electronic control units (ECUs).
5. Data Centers: Supports efficient power management in servers and storage systems.
Its compact design and high efficiency make it suitable for applications where space and power efficiency are critical.
Package
The AOZ1283PI is typically available in a DFN (Dual Flat No-leads) package.
