LT3092IST#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - Adjustable Output Voltage - High Output Current Capability - Thermal Shutdown Protection - Reverse Battery Protection

Package: SOT-223

Essence: The LT3092IST#TRPBF is a voltage regulator IC designed to provide a stable and adjustable output voltage with low dropout. It is commonly used in various electronic devices to regulate the voltage and ensure proper functioning of the circuitry.

Packaging/Quantity: The LT3092IST#TRPBF is available in a SOT-223 package, which is a surface-mount package. It is typically sold in reels or tubes containing a specific quantity of ICs.

Specifications

• Input Voltage Range: 1.2V to 40V
• Output Voltage Range: 0.4V to 32V
• Dropout Voltage: 300mV at 1A Load Current
• Maximum Output Current: 200mA
• Quiescent Current: 1.5mA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3092IST#TRPBF has the following pin configuration:

1. ADJ: Adjustable Output Voltage Pin
2. GND: Ground Pin
3. VIN: Input Voltage Pin
4. VOUT: Output Voltage Pin

Functional Features

• Low Dropout Voltage: The LT3092IST#TRPBF exhibits a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The ADJ pin allows the user to adjust the output voltage within the specified range, providing flexibility in different applications.
• High Output Current Capability: With a maximum output current of 200mA, the LT3092IST#TRPBF can handle a wide range of loads.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection to prevent damage due to excessive heat.
• Reverse Battery Protection: The LT3092IST#TRPBF is designed with reverse battery protection, ensuring the safety of the circuitry in case of accidental reverse polarity connection.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation even with low input-output voltage differentials. - Adjustable output voltage allows customization for various applications. - High output current capability enables it to power a wide range of loads. - Thermal shutdown protection prevents overheating and potential damage. - Reverse battery protection safeguards against reverse polarity connection.

Disadvantages: - Limited maximum output current of 200mA may not be suitable for high-power applications. - SOT-223 package may require surface-mount soldering expertise.

Working Principles

The LT3092IST#TRPBF operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the ADJ pin. By adjusting the resistance connected to the ADJ pin, the output voltage can be set within the specified range. The IC maintains a stable output voltage by continuously monitoring the input voltage and adjusting the pass transistor accordingly.

Detailed Application Field Plans

The LT3092IST#TRPBF finds applications in various fields, including but not limited to: 1. Portable electronic devices: Provides regulated voltage for powering microcontrollers, sensors, and other components. 2. Automotive electronics: Used in automotive systems to regulate voltage for various subsystems. 3. Industrial control systems: Ensures stable voltage supply for control circuits and sensors. 4. Power management modules: Integrated into power management modules to provide adjustable and regulated voltages.

Detailed and Complete Alternative Models

1. LT3080: Similar voltage regulator IC with higher output current capability (up to 1.1A).
2. LM317: Widely used adjustable voltage regulator IC with a different pin configuration.
3. LT1763: Low dropout voltage regulator IC with fixed output voltage options.

These alternative models offer different specifications and features, providing options based on specific application requirements.

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