LT1086IT-12#PBF

Product Overview

Category

The LT1086IT-12#PBF belongs to the category of voltage regulators.

Use

It is primarily used to regulate and stabilize voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Adjustable output voltage
• Current limiting protection
• Thermal shutdown protection

Package

The LT1086IT-12#PBF comes in a TO-220 package, which is a widely used through-hole package for power semiconductors.

Essence

The essence of the LT1086IT-12#PBF is its ability to provide a stable and regulated output voltage despite fluctuations in input voltage or load conditions.

Packaging/Quantity

The LT1086IT-12#PBF is typically packaged in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Input Voltage Range: 3.6V to 20V
• Output Voltage: 12V
• Dropout Voltage: 1.2V (maximum)
• Output Current: Up to 1.5A
• Line Regulation: 0.015% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1086IT-12#PBF has three pins:

1. Vin (Pin 1): Input voltage pin.
2. Vout (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground pin.

Functional Features

• High Precision: The LT1086IT-12#PBF provides precise voltage regulation, ensuring stable and accurate output voltage.
• Low Dropout Voltage: With a low dropout voltage, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted using external resistors, allowing flexibility in various applications.
• Current Limiting Protection: The LT1086IT-12#PBF incorporates current limiting protection to prevent excessive current flow and protect connected devices.
• Thermal Shutdown Protection: In case of overheating, the regulator shuts down to prevent damage, ensuring safe operation.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable output.
• Low dropout voltage allows efficient operation.
• Adjustable output voltage provides flexibility.
• Current limiting protection safeguards connected devices.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output current capacity (up to 1.5A).
• Requires external components for proper operation.

Working Principles

The LT1086IT-12#PBF operates based on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By comparing the output voltage with a reference voltage, the regulator adjusts the pass transistor to maintain a constant output voltage despite variations in input voltage or load conditions.

Detailed Application Field Plans

The LT1086IT-12#PBF finds application in various electronic systems that require stable and regulated voltage. Some common application fields include:

1. Power supply circuits in consumer electronics.
2. Automotive electronics for voltage regulation.
3. Industrial control systems.
4. Battery charging circuits.
5. Audio amplifiers and preamplifiers.
6. LED lighting systems.

Detailed and Complete Alternative Models

1. LM317T: A popular adjustable voltage regulator with similar characteristics.
2. LM7805: A fixed 5V voltage regulator commonly used in electronic circuits.
3. LT1763: A low dropout voltage regulator suitable for battery-powered applications.
4. LM1117: A series of low dropout voltage regulators available in various fixed output voltages.

These alternative models offer similar functionality and can be considered as substitutes for the LT1086IT-12#PBF depending on specific requirements.

Word count: 529 words