AAT1451IRN-T1

Product Overview

Category

AAT1451IRN-T1 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in electronic devices for power management applications.

Characteristics

• AAT1451IRN-T1 is a high-performance, low-dropout linear regulator.
• It offers excellent line and load transient responses.
• The device operates with an input voltage range from 2.7V to 5.5V.
• It provides a fixed output voltage of 3.3V.
• The regulator has a low quiescent current, making it suitable for battery-powered applications.

Package

AAT1451IRN-T1 is available in a compact and industry-standard SOT-23 package.

Essence

The essence of AAT1451IRN-T1 lies in its ability to regulate and stabilize the output voltage in electronic devices, ensuring reliable and efficient power management.

Packaging/Quantity

This product is typically packaged in reels or tape and reel format, containing a specific quantity per reel (e.g., 3000 units per reel).

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage: 3.3V
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 50µA
• Load Regulation: ±0.5%
• Line Regulation: ±0.2%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

AAT1451IRN-T1 features a standard SOT-23 package with three pins:

1. Pin 1: VIN (Input Voltage)
2. Pin 2: GND (Ground)
3. Pin 3: VOUT (Output Voltage)

Functional Features

• High-performance linear regulator with low dropout voltage.
• Excellent line and load transient responses ensure stable output voltage.
• Low quiescent current for power-efficient operation.
• Overcurrent and thermal protection features enhance device reliability.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows compatibility with various power sources.
• Stable output voltage ensures reliable performance of connected devices.
• Low dropout voltage minimizes power dissipation.
• Compact SOT-23 package enables space-saving integration.

Disadvantages

• Fixed output voltage limits flexibility in certain applications requiring adjustable voltages.
• Limited maximum output current may not be suitable for high-power devices.

Working Principles

AAT1451IRN-T1 operates as a linear regulator, maintaining a constant output voltage despite variations in the input voltage and load conditions. It achieves this by utilizing a pass transistor that adjusts its resistance to regulate the output voltage. The device continuously monitors the output voltage and adjusts the pass transistor accordingly to maintain the desired voltage level.

Detailed Application Field Plans

AAT1451IRN-T1 finds application in various electronic devices where stable power management is crucial. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the stable 3.3V output voltage provided by AAT1451IRN-T1.
2. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices require efficient power management to prolong battery life.
3. IoT Devices: Internet of Things (IoT) devices often operate on low power and rely on stable voltage regulation for reliable performance.
4. Industrial Control Systems: AAT1451IRN-T1 can be used in industrial control systems to ensure consistent power supply to critical components.

Detailed and Complete Alternative Models

1. AAT1450IRN-T1: Similar to AAT1451IRN-T1, but with a fixed output voltage of 2.5V.
2. AAT1452IRN-T1: Similar to AAT1451IRN-T1, but with a fixed output voltage of 5.0V.
3. AAT1453IRN-T1: Similar to AAT1451IRN-T1, but with a fixed output voltage of 1.8V.

These alternative models provide similar functionality with different fixed output voltages, allowing flexibility in various applications.

In conclusion, AAT1451IRN-T1 is a high-performance linear regulator used for power management in electronic devices. Its stable output voltage, low dropout voltage, and compact package make it suitable for a wide range of applications. However, its fixed output voltage and limited maximum output current should be considered when selecting the appropriate model for specific requirements.