LT3082IST

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, low dropout voltage, adjustable output voltage, current limiting, thermal shutdown protection
• Package: TO-220
• Essence: The LT3082IST is a high-performance adjustable voltage regulator designed for use in various electronic applications.
• Packaging/Quantity: Available in reels of 250 units

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 32V
• Output Current: Up to 200mA
• Dropout Voltage: 350mV at 200mA load
• Line Regulation: 0.02% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 60μA typical
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3082IST has the following pin configuration:

1. ADJ: Adjustable Output Voltage Pin
2. OUT: Output Voltage Pin
3. IN: Input Voltage Pin
4. GND: Ground Pin

Functional Features

• Adjustable Output Voltage: The ADJ pin allows users to set the desired output voltage within the specified range.
• Low Dropout Voltage: The LT3082IST maintains a low dropout voltage even under heavy loads, ensuring efficient power delivery.
• Current Limiting: The device incorporates current limiting circuitry to protect against excessive current flow.
• Thermal Shutdown Protection: In case of overheating, the LT3082IST automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Wide input and output voltage range - Low dropout voltage - Current limiting and thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 200mA)

Working Principles

The LT3082IST is a linear voltage regulator that uses a precision reference and feedback control to maintain a stable output voltage. It operates by comparing the output voltage with an internal reference voltage and adjusting the pass transistor accordingly.

Detailed Application Field Plans

The LT3082IST finds applications in various electronic systems, including but not limited to: 1. Battery-powered devices 2. Portable audio equipment 3. Industrial control systems 4. Automotive electronics 5. Medical instruments

Detailed and Complete Alternative Models

1. LM317: Adjustable Voltage Regulator with higher output current capacity.
2. LT1084: Adjustable Voltage Regulator with lower dropout voltage.
3. LM1117: Fixed Voltage Regulator available in various output voltage options.

These alternative models offer similar functionality and can be considered based on specific requirements.

In conclusion, the LT3082IST is a versatile voltage regulator offering high precision, low dropout voltage, and adjustable output voltage. Its compact TO-220 package makes it suitable for various electronic applications. However, its limited output current capacity may restrict its use in certain high-power applications.