LT3086IR#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High current, low dropout voltage regulator - Adjustable output voltage - Wide input voltage range - Thermal shutdown protection - Current limit protection

Package: TO-263-5 (DDPAK/TO-263) package

Essence: The LT3086IR#TRPBF is a high-performance voltage regulator designed to provide a regulated output voltage with high current capability and low dropout voltage.

Packaging/Quantity: The LT3086IR#TRPBF is available in a TO-263-5 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Maximum Output Current: 2.1A
• Dropout Voltage: 350mV at 1A
• Line Regulation: 0.015% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 60µA typical
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3086IR#TRPBF has five pins arranged as follows:

```

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| | --| VOUT |-- --| ADJ |-- --| VIN |-- --| GND |-- --| SHDN |-- |_______| ```

1. VOUT: Output Voltage Pin
2. ADJ: Adjust Pin for setting the output voltage
3. VIN: Input Voltage Pin
4. GND: Ground Pin
5. SHDN: Shutdown Pin for enabling/disabling the regulator

Functional Features

• High current capability: The LT3086IR#TRPBF can deliver up to 2.1A of output current, making it suitable for power-hungry applications.
• Low dropout voltage: With a dropout voltage as low as 350mV at 1A, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
• Adjustable output voltage: The ADJ pin allows users to set the desired output voltage within the specified range.
• Thermal shutdown protection: The regulator includes built-in thermal shutdown protection, which prevents damage due to excessive temperature.
• Current limit protection: The LT3086IR#TRPBF incorporates current limit protection to safeguard against overloading and short circuits.

Advantages and Disadvantages

Advantages: - High current capability - Low dropout voltage - Adjustable output voltage - Thermal shutdown and current limit protection

Disadvantages: - Limited output voltage range (0.6V to 34.5V)

Working Principles

The LT3086IR#TRPBF operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltages. The regulator adjusts the pass transistor's resistance to maintain a constant output voltage, compensating for changes in load and input voltage.

Detailed Application Field Plans

The LT3086IR#TRPBF is well-suited for various applications, including but not limited to: 1. Power supplies for industrial equipment 2. Automotive electronics 3. Battery-powered devices 4. Audio amplifiers 5. LED lighting systems 6. Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LT3086IR#TRPBF include: - LM317: A popular adjustable voltage regulator with a wide input voltage range and adjustable output voltage. - LT1086: A low dropout linear regulator with adjustable output voltage and high current capability. - LM1117: A series of low dropout voltage regulators available in various fixed output voltages.

These alternative models can be considered based on specific requirements and design constraints.

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