LT1587CM-3.45#PBF

Product Overview

Category

The LT1587CM-3.45#PBF belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The LT1587CM-3.45#PBF provides a fixed output voltage of 3.45V.
• High accuracy: It offers precise voltage regulation with low output voltage tolerance.
• Low dropout voltage: The regulator can operate with a very small voltage difference between the input and output.
• Current limiting: It incorporates current limiting protection to prevent damage due to excessive current flow.
• Thermal shutdown: The device includes thermal shutdown protection to prevent overheating.

Package

The LT1587CM-3.45#PBF comes in a compact TO-263 package, which ensures efficient heat dissipation.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output for various electronic applications.

Packaging/Quantity

The LT1587CM-3.45#PBF is typically packaged in reels or tubes, containing a specific quantity per package.

Specifications

• Output Voltage: 3.45V
• Input Voltage Range: 4.5V to 7V
• Dropout Voltage: 1.2V (maximum)
• Output Current: Up to 3A
• Line Regulation: ±0.02% (typical)
• Load Regulation: ±0.04% (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LT1587CM-3.45#PBF has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Output (VOUT): The regulated output voltage is obtained from this pin.
3. Ground (GND): This pin is connected to the ground reference.

Functional Features

• Voltage Regulation: The LT1587CM-3.45#PBF maintains a constant output voltage of 3.45V, regardless of input voltage fluctuations.
• Current Limiting: It incorporates current limiting protection to prevent damage to the device and the connected circuitry in case of excessive current flow.
• Thermal Shutdown: The regulator includes thermal shutdown protection, which disables the device if the temperature exceeds safe limits, preventing overheating and potential damage.

Advantages and Disadvantages

Advantages

• Precise voltage regulation ensures stable performance of electronic circuits.
• Low dropout voltage allows efficient operation even with low input-output voltage differentials.
• Current limiting protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and potential damage.

Disadvantages

• Limited output voltage options, as it provides a fixed output voltage of 3.45V.
• Higher power dissipation compared to switching regulators.

Working Principles

The LT1587CM-3.45#PBF operates based on the principle of linear voltage regulation. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. By maintaining a constant voltage drop across the pass transistor, the desired output voltage is achieved.

Detailed Application Field Plans

The LT1587CM-3.45#PBF finds applications in various electronic systems, including but not limited to: - Battery-powered devices - Portable electronics - Automotive electronics - Industrial control systems - Communication equipment

Detailed and Complete Alternative Models

1. LM317T: A popular adjustable voltage regulator capable of providing a wide range of output voltages.
2. LM1117-3.3: A fixed 3.3V voltage regulator suitable for low-power applications.
3. LT1084CP-5: A high-current, fixed 5V voltage regulator with low dropout voltage.

These alternative models offer different output voltage options and may have additional features depending on the specific requirements of the application.

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