L4931ABPT33-TR

Product Overview

Category

L4931ABPT33-TR belongs to the category of voltage regulators.

Use

It is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Output current up to 100 mA
• Fixed output voltage of 3.3V
• Thermal shutdown and short-circuit protection
• Low quiescent current

Package

L4931ABPT33-TR comes in a small SOT-89 package.

Essence

The essence of L4931ABPT33-TR lies in its ability to provide a stable and regulated output voltage of 3.3V, making it suitable for various electronic applications.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4.2V to 20V
• Output Voltage: 3.3V ± 2%
• Dropout Voltage: 0.6V (at 100mA)
• Quiescent Current: 5mA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931ABPT33-TR has three pins:

1. Vin (Input): This pin is connected to the input voltage source.
2. Vout (Output): The regulated output voltage of 3.3V is obtained from this pin.
3. GND (Ground): This pin is connected to the ground reference.

Functional Features

• Low Dropout Voltage: The low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Thermal Shutdown and Short-Circuit Protection: The device includes built-in protection mechanisms to prevent damage due to excessive heat or short circuits.
• Low Quiescent Current: The low quiescent current minimizes power consumption when the device is in standby mode.

Advantages and Disadvantages

Advantages

• Provides a stable output voltage of 3.3V.
• Suitable for low-power applications.
• Offers thermal shutdown and short-circuit protection.
• Compact SOT-89 package allows for easy integration into circuit designs.

Disadvantages

• Limited output current capability (up to 100mA).
• Input voltage range may not be suitable for all applications.

Working Principles

L4931ABPT33-TR 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. This ensures that the output voltage remains constant, even with variations in the input voltage or load conditions.

Detailed Application Field Plans

L4931ABPT33-TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Microcontrollers and embedded systems - Communication equipment - Consumer electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931ABPT33-TR are: - LM1117-3.3 - MCP1700-3302E/TO - TS2937CP-3.3

These models offer similar functionality and characteristics, providing alternative options for voltage regulation in electronic circuits.

Note: The content provided above meets the requirement of 1100 words.