LT1963AET-1.8#30PBF

Product Overview

Category

The LT1963AET-1.8#30PBF belongs to the category of voltage regulators.

Use

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

Characteristics

• Voltage regulation: The LT1963AET-1.8#30PBF provides a fixed output voltage of 1.8V.
• Package: This voltage regulator comes in a TO-220 package, which allows for easy mounting on circuit boards.
• Essence: The essence of this product lies in its ability to maintain a stable output voltage despite fluctuations in input voltage or load conditions.
• Packaging/Quantity: The LT1963AET-1.8#30PBF is typically sold in reels or tubes, with a quantity of 30 units per package.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage: 1.8V
• Maximum Output Current: 1.5A
• Dropout Voltage: 340mV
• Line Regulation: ±0.015%
• Load Regulation: ±0.1%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1963AET-1.8#30PBF has three pins:

1. VIN (Pin 1): This pin is used to connect the input voltage to the regulator.
2. GND (Pin 2): This pin is connected to the ground reference of the circuit.
3. VOUT (Pin 3): The regulated output voltage is obtained from this pin.

Functional Features

• Low Dropout Voltage: The LT1963AET-1.8#30PBF exhibits a low dropout voltage, allowing it to operate efficiently even when the input voltage is close to the desired output voltage.
• Fast Transient Response: This voltage regulator has a fast transient response, ensuring quick and accurate voltage regulation during load changes.
• Current Limit Protection: The LT1963AET-1.8#30PBF incorporates current limit protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages

• High accuracy and stability in voltage regulation.
• Low dropout voltage minimizes power dissipation.
• Compact TO-220 package for easy integration into circuits.
• Fast transient response ensures reliable performance.

Disadvantages

• Limited maximum output current of 1.5A.
• Relatively high dropout voltage compared to some other voltage regulators.

Working Principles

The LT1963AET-1.8#30PBF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage of 1.8V. This is achieved by controlling the pass transistor, which regulates the amount of voltage dropped across it to maintain the desired output voltage.

Detailed Application Field Plans

The LT1963AET-1.8#30PBF finds applications in various electronic systems that require stable and regulated voltage levels. Some common application fields include:

1. Power Supply Units (PSUs): This voltage regulator can be used in PSUs to provide a stable voltage source for powering sensitive electronic components.
2. Audio Amplifiers: The LT1963AET-1.8#30PBF can be employed in audio amplifiers to ensure consistent voltage supply, resulting in improved audio quality.
3. Microcontroller Systems: It can be utilized in microcontroller-based systems to regulate the voltage supplied to the microcontroller, preventing damage due to voltage fluctuations.

Detailed and Complete Alternative Models

1. LM1117-1.8: This voltage regulator offers similar specifications and features, with a fixed output voltage of 1.8V.
2. LT1763-1.8: Another alternative with comparable characteristics, providing a fixed output voltage of 1.8V.

These alternative models can be considered based on specific requirements and availability.

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