LT1587CM-3.3#TRPBF

Product Overview

Category

The LT1587CM-3.3#TRPBF 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-3.3#TRPBF provides a fixed output voltage of 3.3V.
• High current capability: It can handle currents up to a certain limit, ensuring stable power supply for various applications.
• Low dropout voltage: The regulator maintains a small voltage difference between the input and output, minimizing power dissipation.
• Thermal shutdown protection: The device includes built-in protection against excessive heat, preventing damage to the regulator.

Package

The LT1587CM-3.3#TRPBF comes in a compact surface-mount package, allowing for easy integration into circuit boards.

Essence

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

Packaging/Quantity

The LT1587CM-3.3#TRPBF is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 20V
• Output voltage: 3.3V (fixed)
• Maximum output current: 3A
• Dropout voltage: 1.2V at 3A
• Line regulation: ±0.015% typical
• Load regulation: ±0.1% typical
• Operating temperature range: -40°C to 125°C

Detailed Pin Configuration

The LT1587CM-3.3#TRPBF 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

• Voltage regulation: The LT1587CM-3.3#TRPBF maintains a constant output voltage of 3.3V, regardless of input voltage fluctuations.
• Current limiting: It incorporates current limiting circuitry to protect the device and the load from excessive currents.
• Thermal shutdown: The regulator includes thermal shutdown protection, which activates when the temperature exceeds a safe threshold.

Advantages and Disadvantages

Advantages

• High current capability allows for use in power-hungry applications.
• Low dropout voltage minimizes power dissipation.
• Compact package enables easy integration into circuit boards.
• Thermal shutdown protection prevents damage due to overheating.

Disadvantages

• Fixed output voltage limits flexibility in certain applications.
• Limited input voltage range may not be suitable for all scenarios.

Working Principles

The LT1587CM-3.3#TRPBF 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. This ensures that the output voltage remains constant, even when the input voltage varies.

Detailed Application Field Plans

The LT1587CM-3.3#TRPBF finds applications in various electronic systems, including:

1. Power supplies: It can be used to regulate the voltage supplied to microcontrollers, sensors, and other components in power supply circuits.
2. Battery-powered devices: The regulator ensures a stable voltage supply for battery-operated devices, extending their operating time.
3. Automotive electronics: It is suitable for automotive applications where a regulated voltage is required for various subsystems.
4. Industrial control systems: The LT1587CM-3.3#TRPBF can be utilized in industrial control systems to provide stable voltage levels for sensors, actuators, and other components.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable voltage regulator with a wide input voltage range.
2. LT1084: A fixed output voltage regulator with higher current capability.
3. LM1117: Another fixed output voltage regulator with low dropout voltage.

These alternative models offer similar functionality to the LT1587CM-3.3#TRPBF but may have different specifications or package options.

In conclusion, the LT1587CM-3.3#TRPBF is a voltage regulator that provides a stable 3.3V output voltage. It offers high current capability, low dropout voltage, and thermal shutdown protection. This product finds applications in power supplies, battery-powered devices, automotive electronics, and industrial control systems. Alternative models such as LM317, LT1084, and LM1117 can be considered based on specific requirements.