LT3091HDE#PBF

Product Overview

Category

The LT3091HDE#PBF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Adjustable output voltage
• Current limiting and thermal shutdown protection

Package

The LT3091HDE#PBF comes in a standard TO-252 package.

Essence

The essence of LT3091HDE#PBF lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

The product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 1.2V to 40V
• Output Voltage Range: 0.6V to 36V
• Dropout Voltage: 300mV at 1A load current
• Maximum Output Current: 1.5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT3091HDE#PBF has three pins:

1. VIN: Input voltage pin
2. VOUT: Output voltage pin
3. GND: Ground pin

Functional Features

• Adjustable output voltage through external resistors
• Current limiting to protect the circuit from excessive current
• Thermal shutdown protection to prevent overheating
• Low quiescent current for improved efficiency
• Fast transient response for stable operation during load changes

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures accurate output
• Wide input voltage range allows for versatile applications
• Low dropout voltage minimizes power dissipation
• Current limiting and thermal shutdown protection enhance circuit reliability

Disadvantages

• Limited maximum output current of 1.5A
• Requires external resistors for voltage adjustment

Working Principles

The LT3091HDE#PBF operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The device utilizes a pass transistor to regulate the voltage, while additional circuitry provides current limiting and thermal shutdown protection.

Detailed Application Field Plans

The LT3091HDE#PBF finds applications in various fields, including:

1. Power supply circuits for electronic devices
2. Battery charging systems
3. Automotive electronics
4. Industrial control systems
5. Communication equipment

Detailed and Complete Alternative Models

1. LT3080: Similar voltage regulator with adjustable output voltage and higher maximum output current of 3A.
2. LM317: Widely used voltage regulator with adjustable output voltage and lower maximum output current of 1.5A.
3. LT1763: Low dropout voltage regulator with fixed output voltage options and maximum output current of 500mA.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

In conclusion, the LT3091HDE#PBF is a versatile voltage regulator that provides precise and stable voltage regulation. Its wide input voltage range, low dropout voltage, and built-in protection features make it suitable for various applications in different industries.