AOZ7111AI

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOT-23-5

Essence: AOZ7111AI is a voltage regulator IC designed for various applications that require stable and regulated power supply.

Packaging/Quantity: Available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AOZ7111AI IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin

Functional Features

• High Efficiency: The AOZ7111AI offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low Dropout Voltage: With a low dropout voltage of only 200mV at 100mA, it can maintain a stable output even when the input voltage is close to the desired output voltage.
• Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal Shutdown Protection: It includes thermal shutdown protection, preventing damage due to excessive heat.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Low dropout voltage ensures stable output even with low input voltage. - Overcurrent protection prevents damage to the circuit. - Thermal shutdown protection safeguards against overheating.

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications.

Working Principles

The AOZ7111AI operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. The enable pin (EN) controls the operation of the IC, allowing the user to turn it on or off as needed. When enabled, the IC adjusts the output voltage to maintain a stable level, compensating for changes in the input voltage and load conditions.

Detailed Application Field Plans

The AOZ7111AI is commonly used in various electronic devices and systems that require a regulated power supply. Some application fields include:

1. Mobile Devices: Smartphones, tablets, portable media players.
2. Wearable Electronics: Smartwatches, fitness trackers.
3. IoT Devices: Sensors, wireless modules.
4. Consumer Electronics: Digital cameras, portable gaming consoles.
5. Automotive Electronics: Infotainment systems, navigation devices.

Detailed and Complete Alternative Models

1. AOZ1117: Similar voltage regulator IC with higher maximum output current of 1A.
2. LM1117: Popular voltage regulator IC with adjustable output voltage.
3. XC6206: Low dropout voltage regulator IC with ultra-low quiescent current.

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

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