LT1389BCS8-2.5#TRPBF

Product Overview

Category

The LT1389BCS8-2.5#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 LT1389BCS8-2.5#TRPBF provides a regulated output voltage.
• Low Dropout: It operates with a low dropout voltage, ensuring efficient power conversion.
• High Accuracy: This voltage regulator offers high precision in maintaining the desired output voltage.
• Low Quiescent Current: The LT1389BCS8-2.5#TRPBF has a low quiescent current, minimizing power consumption.
• Thermal Shutdown Protection: It includes thermal shutdown protection to prevent overheating.

Package

The LT1389BCS8-2.5#TRPBF comes in an 8-pin surface mount package.

Essence

This voltage regulator is designed to provide a stable and reliable power supply for various electronic devices and circuits.

Packaging/Quantity

The LT1389BCS8-2.5#TRPBF is typically packaged in reels or tubes, and the quantity per package depends on the supplier.

Specifications

• Input Voltage Range: 2.7V to 10V
• Output Voltage: 2.5V
• Output Current: Up to 100mA
• Dropout Voltage: 300mV (typical)
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. NC: No connection
4. NC: No connection
5. VOUT: Regulated output voltage pin
6. NC: No connection
7. NC: No connection
8. NC: No connection

Functional Features

• Voltage Regulation: The LT1389BCS8-2.5#TRPBF maintains a constant output voltage of 2.5V, regardless of input voltage fluctuations.
• Low Dropout: It operates with a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The regulator includes thermal shutdown protection, which shuts down the device in case of excessive temperature, preventing damage.

Advantages and Disadvantages

Advantages

• High accuracy in voltage regulation
• Low quiescent current for reduced power consumption
• Compact package size for space-constrained applications
• Thermal shutdown protection for enhanced reliability

Disadvantages

• Limited output current capacity (up to 100mA)
• Restricted input voltage range (2.7V to 10V)

Working Principles

The LT1389BCS8-2.5#TRPBF utilizes a combination of internal circuitry and feedback mechanisms to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry accordingly to maintain a stable output voltage of 2.5V. The device continuously monitors the input voltage and adjusts its operation to compensate for any changes, ensuring a consistent output voltage.

Detailed Application Field Plans

The LT1389BCS8-2.5#TRPBF finds application in various electronic systems that require a stable and regulated power supply. Some potential application fields include:

1. Battery-Powered Devices: Portable electronic devices such as smartphones, tablets, and wearable devices can benefit from the LT1389BCS8-2.5#TRPBF's low dropout voltage and low quiescent current, extending battery life.

2. Industrial Control Systems: The voltage regulator can be used in industrial control systems to provide a stable power source for sensors, actuators, and other components.

3. Automotive Electronics: In automotive applications, the LT1389BCS8-2.5#TRPBF can regulate voltage for various subsystems, ensuring reliable operation under different operating conditions.

4. Communication Systems: It can be employed in communication systems to maintain a consistent power supply for transceivers, amplifiers, and other critical components.

Detailed and Complete Alternative Models

1. LM317: A widely used adjustable voltage regulator with a higher output current capacity.
2. LT1763: A low dropout voltage regulator with a similar output voltage range and high accuracy.
3. LM1117: A popular fixed voltage regulator available in various output voltage options.

These alternative models offer similar functionality and can be considered as substitutes for the LT1389BCS8-2.5#TRPBF depending on specific requirements.

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