LT1963EST-1.8#TRPBF

Product Overview

Category

The LT1963EST-1.8#TRPBF belongs to the category of voltage regulators.

Use

It is commonly used in electronic circuits to regulate and stabilize the output voltage.

Characteristics

• Low dropout voltage: The LT1963EST-1.8#TRPBF has a low dropout voltage, which means it can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• High current capability: This voltage regulator can handle high currents, making it suitable for power-hungry applications.
• Low noise: It provides a clean and stable output voltage with minimal noise interference.
• Thermal shutdown protection: The LT1963EST-1.8#TRPBF includes thermal shutdown protection to prevent damage from excessive heat.

Package

The LT1963EST-1.8#TRPBF comes in a small surface-mount package, making it suitable for compact circuit designs.

Essence

The essence of the LT1963EST-1.8#TRPBF is its ability to regulate and stabilize the output voltage, ensuring reliable operation of electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of units per package.

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

Detailed Pin Configuration

The LT1963EST-1.8#TRPBF has three pins:

1. VIN (Input): This pin is connected to the input voltage source.
2. VOUT (Output): The regulated output voltage is obtained from this pin.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: The LT1963EST-1.8#TRPBF provides a stable and regulated output voltage of 1.8V, regardless of variations in the input voltage or load conditions.
• Current Limiting: It incorporates current limiting protection to prevent excessive current flow, ensuring the safety of the circuit and connected devices.
• Thermal Protection: The device includes thermal shutdown protection, which disables the regulator if the temperature exceeds safe limits, preventing damage due to overheating.

Advantages and Disadvantages

Advantages

• Low dropout voltage ensures efficient operation even with low input-output voltage differentials.
• High current capability makes it suitable for power-hungry applications.
• Low noise output provides clean and stable voltage for sensitive electronic components.
• Thermal shutdown protection prevents damage from excessive heat.

Disadvantages

• Limited output voltage options, as it is specifically designed for a fixed output voltage of 1.8V.
• Requires external capacitors for stability, adding additional components to the circuit.

Working Principles

The LT1963EST-1.8#TRPBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting its resistance to maintain a constant voltage drop across it. Feedback circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LT1963EST-1.8#TRPBF finds applications in various fields, including:

1. Power Supply Modules: It can be used in power supply modules to provide a stable and regulated voltage for microcontrollers, sensors, and other electronic components.
2. Automotive Electronics: The voltage regulator is suitable for automotive applications, ensuring a reliable power source for various electronic systems in vehicles.
3. Industrial Control Systems: It can be utilized in industrial control systems to regulate voltages for PLCs (Programmable Logic Controllers), motor drives, and other critical components.

Detailed and Complete Alternative Models

1. LM1117-1.8: This is another popular fixed 1.8V voltage regulator with similar characteristics and specifications.
2. LT1763-1.8: A low dropout voltage regulator offering a fixed 1.8V output with high current capability.
3. ADP3339-1.8: An alternative voltage regulator with low noise and thermal protection features, providing a stable 1.8V output.

These alternative models offer similar functionality and can be considered as substitutes for the LT1963EST-1.8#TRPBF in various applications.

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