LT1963AES8#TRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Low dropout voltage
  • High output current capability
  • Adjustable output voltage
  • Thermal shutdown protection
• Package: SOT-223
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 1.8V to 20V
• Output Voltage Range: 1.21V to 20V
• Dropout Voltage: 300mV at 1.5A
• Output Current: Up to 1.5A
• Line Regulation: 0.015% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 1.5mA typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1963AES8#TRPBF has the following pin configuration:

```

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| | --| VIN VOUT|-- --| GND ADJ |-- |___________| ```

• VIN: Input voltage pin
• VOUT: Output voltage pin
• GND: Ground pin
• ADJ: Adjust pin for setting the output voltage

Functional Features

• Low dropout voltage: Allows operation with small input-output voltage differentials.
• High output current capability: Can deliver up to 1.5A of continuous output current.
• Adjustable output voltage: The output voltage can be set using an external resistor divider.
• Thermal shutdown protection: Protects the IC from excessive temperature.

Advantages and Disadvantages

Advantages: - Low dropout voltage enables efficient operation. - High output current capability suits a wide range of applications. - Adjustable output voltage provides flexibility. - Thermal shutdown protection ensures device safety.

Disadvantages: - Quiescent current of 1.5mA may be relatively high for low-power applications. - SOT-223 package may require additional heat dissipation measures in high-power designs.

Working Principles

The LT1963AES8#TRPBF is a linear voltage regulator that maintains a stable output voltage despite variations in the input voltage and load conditions. It achieves this by using a pass transistor to regulate the output voltage based on a feedback mechanism. The adjust pin allows the user to set the desired output voltage by connecting an external resistor divider.

Detailed Application Field Plans

The LT1963AES8#TRPBF finds applications in various fields, including but not limited to: - Power supplies for microcontrollers and other digital ICs - Battery-powered devices - Automotive electronics - Industrial control systems - Audio amplifiers

Detailed and Complete Alternative Models

Some alternative models to the LT1963AES8#TRPBF include: - LM317: Adjustable positive voltage regulator with similar characteristics. - LT1084: Low dropout positive voltage regulator capable of delivering higher output currents. - LM1117: Fixed output voltage regulator available in various voltage options.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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