LT3080IST#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High precision adjustable voltage regulator - Low dropout voltage - Wide input voltage range - High output current capability - Thermal shutdown protection - Adjustable current limit

Package: TO-263-5 (D2PAK-5)

Essence: The LT3080IST#TRPBF is a high-performance voltage regulator IC designed to provide a precise and adjustable output voltage. It offers excellent line and load regulation, making it suitable for various applications where a stable voltage supply is required.

Packaging/Quantity: The LT3080IST#TRPBF is available in tape and reel packaging, with 250 units per reel.

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Dropout Voltage: 350mV at 1A Load Current
• Output Current: Up to 1.1A
• Line Regulation: 0.015% typical
• Load Regulation: 0.1% typical
• Quiescent Current: 60µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3080IST#TRPBF has five pins arranged as follows:

```

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| | --| Vout |-- --| ADJ |-- --| Vin |-- --| GND |-- --| Ilim |-- |_______| ```

1. Vout: Output Voltage Pin
2. ADJ: Adjust Pin (used to set the desired output voltage)
3. Vin: Input Voltage Pin
4. GND: Ground Pin
5. Ilim: Current Limit Pin

Functional Features

• High precision voltage regulation
• Adjustable output voltage
• Wide input voltage range
• Low dropout voltage
• Thermal shutdown protection
• Adjustable current limit for overcurrent protection

Advantages and Disadvantages

Advantages: - High precision and stability - Wide input voltage range allows for versatile applications - Low dropout voltage minimizes power dissipation - Adjustable current limit provides protection against overcurrent conditions - Thermal shutdown protection prevents IC damage due to excessive heat

Disadvantages: - Relatively high quiescent current compared to some other voltage regulators - Limited output current capability compared to higher-power devices

Working Principles

The LT3080IST#TRPBF is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to regulate the output voltage at the desired level. The adjustable nature of the ADJ pin allows users to set the desired output voltage by connecting external resistors.

Detailed Application Field Plans

The LT3080IST#TRPBF can be used in various applications, including but not limited to: 1. Power supply circuits for microcontrollers and digital ICs 2. Battery charging circuits 3. Audio amplifiers 4. LED drivers 5. Industrial control systems 6. Automotive electronics 7. Portable electronic devices

Detailed and Complete Alternative Models

Some alternative models to the LT3080IST#TRPBF include: 1. LM317: Adjustable Voltage Regulator 2. LT1084: 5A Low Dropout Positive Fixed Regulator 3. LM7805: 5V Fixed Voltage Regulator 4. LM1117: Low Dropout Linear Regulator 5. LT1763: 500mA, Low Noise LDO Regulator

These alternative models offer similar functionality and can be used as substitutes depending on specific requirements.

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