LT3083MPDF#PBF

Product Overview

The LT3083MPDF#PBF is a high performance adjustable voltage linear regulator designed for use in various electronic applications. This device falls under the category of voltage regulators and is commonly used to provide a stable and adjustable output voltage from a higher input voltage source. The LT3083MPDF#PBF is known for its high precision, low dropout voltage, and excellent thermal performance. It is available in a compact package and is suitable for a wide range of applications.

Basic Information

• Category: Voltage Regulator
• Use: Providing stable and adjustable output voltage
• Characteristics: High precision, low dropout voltage, excellent thermal performance
• Package: TO-220, TO-263, DFN
• Essence: High performance adjustable voltage linear regulator
• Packaging/Quantity: Available in tape and reel packaging with varying quantities

Specifications

• Input Voltage Range: 1.2V to 45V
• Output Voltage Range: 0V to 36V
• Maximum Output Current: 3A
• Dropout Voltage: 350mV
• Line Regulation: 0.001% per volt
• Load Regulation: 0.1% typical
• Quiescent Current: 1mA
• Thermal Resistance: 5°C/W junction to case

Detailed Pin Configuration

The LT3083MPDF#PBF features a standard pin configuration with input, output, and adjustment pins. The pinout is as follows: - Pin 1: Input - Pin 2: GND - Pin 3: Adjustment - Pin 4: Output

Functional Features

• Adjustable Output: The device allows for precise adjustment of the output voltage.
• Current Limiting: Built-in current limiting protects the regulator from overcurrent conditions.
• Thermal Shutdown: The LT3083MPDF#PBF includes thermal shutdown protection to prevent overheating.
• Remote Sensing: Remote sensing capability ensures accurate voltage regulation at the load.

Advantages and Disadvantages

Advantages

• High precision and accuracy
• Low dropout voltage
• Excellent thermal performance
• Wide input and output voltage range
• Current limiting and thermal shutdown protection

Disadvantages

• Higher quiescent current compared to some low-power regulators
• Larger footprint compared to some integrated solutions

Working Principles

The LT3083MPDF#PBF operates by comparing the output voltage to a reference voltage and adjusting the pass element to maintain the desired output voltage. It utilizes feedback control to regulate the output voltage, while the internal circuitry provides protection against overcurrent and thermal issues.

Detailed Application Field Plans

The LT3083MPDF#PBF is well-suited for a variety of applications including: - Precision power supplies - Battery chargers - Instrumentation and measurement systems - Audio amplifiers - Industrial control systems

Detailed and Complete Alternative Models

• LT3080: Lower output current but similar performance characteristics
• LT3081: Lower dropout voltage and lower output current
• LM317: Widely used adjustable linear regulator with lower performance specifications

In conclusion, the LT3083MPDF#PBF is a versatile and high-performance voltage regulator suitable for a wide range of applications. Its precision, thermal performance, and adjustable output make it an ideal choice for demanding electronic designs.

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