AOZ1051PI

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IC REG BUCK ADJ 3A 8SO

  • FabricanteAlpha & Omega Semiconductor Inc.

  • Peça do Fabricante #AOZ1051PI

  • Ficha Técnica AOZ1051PI DataSheet

  • Em Estoque5387

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Especificações

Atributo Valor
Series EZBuck™
Part Status Obsolete
Base Product Number AOZ1051
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 4.5V
Voltage - Input (Max) 18V
Voltage - Output (Min/Fixed) 0.8V
Voltage - Output (Max) 15.3V
Current - Output 3A
Frequency - Switching 500kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Package 8-SOIC (0.154", 3.90mm Width) Exposed Pad
Supplier Device Package 8-SO-EP
Packaging Tape & Reel (TR)

Visão Geral

Description

AOZ1051PI is a high-performance, synchronous step-down (buck) regulator designed for efficient power management in various applications, such as consumer electronics, industrial systems, and telecommunications. It features a wide input voltage range, typically from 4.5V to 20V, making it suitable for various power sources.
The AOZ1051PI integrates advanced control circuitry to provide high efficiency, low output ripple, and fast transient response, which enhances overall system performance. It offers adjustable output voltage, allowing flexibility for different applications, and includes built-in protection features such as over-current, thermal shutdown, and under-voltage lockout to ensure reliable operation.
With a compact package, this IC is ideal for space-constrained designs, providing a balance of performance and size. Its ease of integration with minimal external components simplifies design efforts, making it a popular choice among engineers seeking reliable and efficient power solutions.

Equivalent

The AOZ1051PI is a synchronous buck converter. Equivalent products include the LM2596 (Texas Instruments), TPS563201 (Texas Instruments), and LTC3861 (Analog Devices). Other alternatives are the MP1584 (Monolithic Power Systems) and the RT8205 (Richtek). When selecting an alternative, consider specifications such as input voltage range, output current, and efficiency to ensure compatibility with your specific application.

Features

The AOZ1051PI is a high-efficiency, synchronous buck regulator designed for point-of-load applications. Key features include:
1. Input Voltage Range: Supports input voltages from 4.5V to 18V, making it versatile for various power sources.
2. Output Voltage: Adjustable output voltage from 0.8V to 15V, suitable for multiple load requirements.
3. High Efficiency: Achieves up to 95% efficiency, helping to reduce thermal output and power loss.
4. Current Capability: Delivers up to 1.5A continuous output current, ideal for powering low to mid-range applications.
5. Compensation: Integrates internal compensation, simplifying the design process and reducing external component count.
6. Soft Start: Features a programmable soft-start function to minimize inrush current during power-up.
7. Protection Features: Includes over-current protection, thermal shutdown, and under-voltage lockout for enhanced reliability.
8. Thermal Performance: Available in a compact 8-lead SOIC package, which aids in thermal management.
These features make the AOZ1051PI suitable for applications in telecommunications, computing, and consumer electronics.

Pinout

The AOZ1051PI is a high-efficiency synchronous buck regulator with a pin count of 8. Its main functions include:
1. VIN (Pin 1): Input voltage supply.
2. SW (Pin 2): Switch node connected to the inductor.
3. GND (Pin 3): Ground reference.
4. COMP (Pin 4): Compensation network for stability.
5. FB (Pin 5): Feedback voltage input for regulation.
6. EN (Pin 6): Enable control for powering on/off the device.
7. BOOT (Pin 7): Bootstrap capacitor connection for the high-side driver.
8. PH (Pin 8): Phase node for the control circuitry.
The AOZ1051PI is designed for applications that require efficient voltage regulation, suitable for powering CPUs, GPUs, and other ICs.

Manufacturer

The AOZ1051PI is manufactured by AOS (Alpha and Omega Semiconductor). AOS is a global company specializing in the design, development, and supply of power semiconductor solutions. Their product offerings include a wide range of power MOSFETs, power ICs, and other related components used in various applications such as computing, consumer electronics, telecommunications, and industrial systems. AOS is known for its innovative technologies and commitment to high performance, efficiency, and reliability in power management solutions. They focus on providing high-quality products that cater to the needs of various markets, emphasizing sustainability and energy efficiency in their design processes.

Application

The AOZ1051PI is a high-efficiency synchronous buck converter primarily used in applications requiring step-down DC-DC conversion. Key application areas include power management for portable electronics, such as smartphones and tablets, battery-powered devices, industrial equipment, and telecommunication systems. It is also suitable for powering microcontrollers, FPGAs, and other digital circuits. The converter's compact size and high performance make it ideal for space-constrained applications, providing reliable power conversion while maintaining low output ripple and high efficiency.

Package

The AOZ1051PI is packaged in a 5mm x 6mm DFN (Dual Flat No-lead) format, which provides a compact footprint and efficient thermal performance for various applications.

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