LT3089EDF

Product Overview

Category

LT3089EDF belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

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

Package

LT3089EDF comes in a small outline package (SOP) with multiple pins for easy integration into circuit boards.

Essence

The essence of LT3089EDF lies in its ability to provide stable and regulated voltage output, ensuring reliable operation of electronic devices.

Packaging/Quantity

LT3089EDF is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 1.2V to 36V
• Output Voltage Range: 0.6V to 34.5V
• Dropout Voltage: 350mV at 500mA load current
• Maximum Output Current: 800mA
• Line Regulation: ±0.02% typical
• Load Regulation: ±0.04% typical
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

LT3089EDF has the following pin configuration:

1. IN: Input voltage pin
2. ADJ: Adjust pin for setting the desired output voltage
3. OUT: Output voltage pin
4. GND: Ground pin

Functional Features

• Adjustable output voltage through the ADJ pin
• Current limiting feature protects against excessive load currents
• Thermal shutdown protection prevents overheating
• Low dropout voltage ensures efficient power conversion

Advantages and Disadvantages

Advantages

• High precision voltage regulation
• Wide input voltage range
• Current limiting and thermal shutdown protection enhance device safety
• Adjustable output voltage allows for flexibility in circuit design

Disadvantages

• Maximum output current limited to 800mA
• Dropout voltage may affect efficiency in certain applications

Working Principles

LT3089EDF operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage, even when the input voltage or load conditions change.

Detailed Application Field Plans

LT3089EDF finds applications in various fields, including:

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

Detailed and Complete Alternative Models

Some alternative models to LT3089EDF include:

1. LM317: A popular adjustable voltage regulator with similar features
2. LT1086: Offers higher output current capability
3. LM1117: Low dropout voltage regulator suitable for low-power applications
4. LT1763: Ultra-low dropout linear regulator with high accuracy

These alternative models provide similar functionality and can be considered based on specific application requirements.

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