AOZ1252PI

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: PowerSO-8

Essence: AOZ1252PI is a voltage regulator IC designed to provide stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The AOZ1252PI is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 1.2V to 20V
• Maximum Output Current: 3A
• Dropout Voltage: 300mV at 3A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AOZ1252PI has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: Not Connected --| COMP NC |-- Pin 4: Not Connected --| SS NC |-- Pin 5: Not Connected --| PG NC |-- Pin 6: Not Connected --| NC NC |-- Pin 7: Not Connected --| VIN GND |-- Pin 8: Ground |___________| ```

Functional Features

• High Efficiency: The AOZ1252PI offers high efficiency, minimizing power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of 300mV at 3A, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 28V, making it suitable for various applications.
• Overcurrent Protection: The AOZ1252PI incorporates overcurrent protection, safeguarding the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC activates thermal shutdown protection, preventing damage due to overheating.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile use. - Overcurrent and thermal shutdown protection enhance reliability and safety.

Disadvantages: - Dropout voltage may limit its use in applications with low input-output voltage differentials. - Limited pin configuration options may restrict certain circuit designs.

Working Principles

The AOZ1252PI operates as a linear voltage regulator. It regulates the output voltage by adjusting the resistance between the input and output terminals. This adjustment is achieved through an internal feedback loop that compares the output voltage with a reference voltage. By continuously monitoring and adjusting the resistance, the IC ensures a stable output voltage regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The AOZ1252PI finds application in various electronic devices and systems, including but not limited to: - Power supplies for consumer electronics - Industrial automation equipment - Automotive electronics - Telecommunications infrastructure - LED lighting systems

Detailed and Complete Alternative Models

Some alternative models to the AOZ1252PI include: - LM317: A popular general-purpose linear voltage regulator IC with adjustable output voltage. - LT1083: A high-current linear voltage regulator IC with low dropout voltage. - TPS7A47: An ultra-low-noise linear voltage regulator IC suitable for sensitive audio applications.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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