LT1963AET-1.8#PBF

Product Overview

Category

The LT1963AET-1.8#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• The LT1963AET-1.8#PBF is a low dropout (LDO) linear regulator.
• It offers a fixed output voltage of 1.8V.
• The package type for this product is TO-220.
• The essence of this voltage regulator lies in its ability to provide a stable and reliable power supply to various electronic devices.
• Each unit of the LT1963AET-1.8#PBF is packaged individually.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 1.8V
• Maximum Output Current: 1.5A
• Dropout Voltage: 340mV at 1.5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to 125°C
• Package Type: TO-220

Pin Configuration

The LT1963AET-1.8#PBF has three pins:

1. VIN (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. VOUT (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage: The LT1963AET-1.8#PBF exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• Fast transient response: This voltage regulator quickly responds to changes in load current, maintaining a stable output voltage.
• Overcurrent and thermal protection: The LT1963AET-1.8#PBF incorporates protection mechanisms to prevent damage from excessive current or high temperatures.
• Low noise output: This LDO regulator produces minimal output noise, making it suitable for noise-sensitive applications.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Wide input voltage range allows for versatile applications.
• Compact TO-220 package facilitates easy integration into circuit designs.
• Excellent line and load regulation characteristics ensure consistent performance.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for power-hungry applications.
• Dropout voltage of 340mV can result in power dissipation and reduced efficiency in certain scenarios.

Working Principles

The LT1963AET-1.8#PBF operates based on the principle of linear voltage regulation. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, the desired output voltage is achieved.

Detailed Application Field Plans

The LT1963AET-1.8#PBF finds application in various electronic systems that require a stable and regulated power supply. Some common application fields include:

1. Microcontrollers and digital processors
2. Audio amplifiers and signal processing circuits
3. Battery-powered devices
4. Communication equipment
5. Industrial control systems

Detailed and Complete Alternative Models

1. LM1117-1.8: A popular alternative with similar specifications and functionality.
2. LT1763-1.8: Offers lower dropout voltage and higher maximum output current.
3. ADP3339-1.8: Provides enhanced thermal protection features.

These alternative models offer different trade-offs in terms of performance, cost, and package options, allowing designers to choose the most suitable option for their specific requirements.

In conclusion, the LT1963AET-1.8#PBF is a voltage regulator that provides stable and reliable power supply in various electronic applications. Its low dropout voltage, fast transient response, and protection features make it a versatile choice for designers seeking accurate voltage regulation. However, its limited maximum output current and dropout voltage should be considered when selecting this product for specific applications.