LT3071IUFD#PBF

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High voltage input range - Low dropout voltage - Adjustable output voltage - Current limit protection - Thermal shutdown protection

Package: 16-Lead QFN (Quad Flat No-Lead)

Essence: The LT3071IUFD#PBF is a high voltage, low dropout linear regulator designed for various applications requiring a regulated power supply.

Packaging/Quantity: The LT3071IUFD#PBF is available in a 16-Lead QFN package. The quantity per reel is typically 2500 units.

Specifications

• Input Voltage Range: 2.5V to 80V
• Output Voltage Range: 1.22V to 60V
• Dropout Voltage: 300mV at 3A
• Maximum Output Current: 5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 1.5mA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3071IUFD#PBF has the following pin configuration:

Pin 1: VIN Pin 2: GND Pin 3: VOUT Pin 4: ADJ Pin 5: NC Pin 6: NC Pin 7: NC Pin 8: NC Pin 9: NC Pin 10: NC Pin 11: NC Pin 12: NC Pin 13: NC Pin 14: NC Pin 15: NC Pin 16: NC

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Adjustable output voltage provides flexibility in different scenarios.
• Current limit protection prevents damage due to excessive current.
• Thermal shutdown protection safeguards the regulator from overheating.

Advantages and Disadvantages

Advantages: - High input voltage range enables compatibility with various power sources. - Low dropout voltage minimizes power dissipation and improves efficiency. - Adjustable output voltage allows for customization based on specific requirements. - Current limit protection enhances system reliability by preventing overcurrent conditions. - Thermal shutdown protection ensures safe operation even under high temperature conditions.

Disadvantages: - Limited maximum output current compared to some other voltage regulators. - The 16-Lead QFN package may require specialized equipment for soldering and handling.

Working Principles

The LT3071IUFD#PBF operates as a linear regulator, maintaining a stable output voltage regardless of changes in the input voltage or load conditions. It achieves this by using a pass transistor that adjusts its resistance to regulate the output voltage. The device also incorporates feedback control to continuously monitor and adjust the output voltage.

Detailed Application Field Plans

The LT3071IUFD#PBF can be used in various applications, including but not limited to: - Industrial power supplies - Automotive electronics - Telecommunications equipment - Battery-powered systems - Distributed power systems

Detailed and Complete Alternative Models

Some alternative models to the LT3071IUFD#PBF include: - LT3080: Higher maximum output current (up to 10A) - LT1763: Lower dropout voltage (down to 200mV at 3A) - LM317: Widely available and lower cost option

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

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