AAT1218IWP-3.3-T1

Product Overview

Category

The AAT1218IWP-3.3-T1 belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulator ICs.

Use

This product is primarily used for voltage regulation in electronic devices and systems. It provides a stable output voltage, ensuring proper functioning of various components within the system.

Characteristics

• Voltage Regulation: The AAT1218IWP-3.3-T1 offers precise voltage regulation, maintaining a stable output voltage even under varying input conditions.
• Efficiency: This IC is designed to provide high efficiency, minimizing power losses during voltage conversion.
• Low Dropout Voltage: The device exhibits low dropout voltage, enabling it to regulate voltage even when the input voltage is close to the desired output voltage.
• Thermal Protection: The AAT1218IWP-3.3-T1 incorporates thermal protection mechanisms to prevent overheating and ensure safe operation.

Package

The AAT1218IWP-3.3-T1 is available in a small outline package (SOP), which facilitates easy integration into various circuit designs.

Essence

The essence of the AAT1218IWP-3.3-T1 lies in its ability to provide reliable and efficient voltage regulation, making it an essential component in many electronic devices.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The AAT1218IWP-3.3-T1 features the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. EN (Enable)
4. FB (Feedback)
5. VOUT (Output Voltage)

Functional Features

Voltage Regulation

The AAT1218IWP-3.3-T1 maintains a stable output voltage of 3.3V, regardless of variations in the input voltage. This ensures consistent and reliable performance of connected electronic components.

Enable Control

The EN pin allows for easy enable/disable control of the voltage regulator. By toggling this pin, the user can turn the regulator on or off as required, conserving power when not needed.

Thermal Protection

To prevent overheating and potential damage, the AAT1218IWP-3.3-T1 incorporates thermal protection mechanisms. These mechanisms monitor the temperature and automatically reduce the output current if the device exceeds safe operating limits.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures stable operation of connected components.
• High efficiency minimizes power losses during voltage conversion.
• Low dropout voltage enables effective regulation even with small input-output voltage differentials.
• Thermal protection prevents overheating and enhances safety.

Disadvantages

• Limited output current capacity (up to 150mA), which may be insufficient for certain applications requiring higher current levels.
• Restricted input voltage range (2.7V to 5.5V) may limit compatibility with some systems.

Working Principles

The AAT1218IWP-3.3-T1 operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 3.3V. This feedback loop continuously monitors and regulates the output voltage, ensuring stability and accuracy.

Detailed Application Field Plans

The AAT1218IWP-3.3-T1 finds applications in various electronic devices and systems, including but not limited to: - Battery-powered portable devices - IoT (Internet of Things) devices - Wearable electronics - Embedded systems - Consumer electronics

Detailed and Complete Alternative Models

1. AAT1236IWP-2.5-T1: Similar to the AAT1218IWP-3.3-T1, but with a different output voltage of 2.5V.
2. AAT1208IWP-5.0-T1: Another voltage regulator IC from the same manufacturer, offering a fixed output voltage of 5.0V.
3. AAT1275IWP-ADJ-T1: An adjustable voltage regulator IC that allows for variable output voltages within a specified range.

These alternative models provide flexibility in choosing the appropriate voltage regulator based on specific application requirements.

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