L4931CPT50-TR

Product Overview

Category

L4931CPT50-TR belongs to the category of voltage regulators.

Use

It is commonly used to regulate and stabilize voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Low quiescent current
• Output current up to 100 mA
• Wide input voltage range
• Thermal shutdown protection
• Short-circuit current limiting

Package

L4931CPT50-TR is available in a TO-220 package.

Essence

The essence of L4931CPT50-TR is to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.2V to 20V
• Output Voltage: 5.0V
• Output Current: Up to 100mA
• Dropout Voltage: 0.6V (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CPT50-TR has three pins:

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

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Low quiescent current minimizes power consumption during standby or idle conditions.
• Thermal shutdown protection prevents the device from overheating.
• Short-circuit current limiting protects the regulator and the connected circuitry from excessive current.

Advantages and Disadvantages

Advantages

• Provides stable and regulated output voltage.
• Wide input voltage range allows compatibility with various power sources.
• Low dropout voltage ensures efficient regulation.
• Thermal shutdown protection prevents overheating.

Disadvantages

• Limited output current capacity (up to 100mA).
• Not suitable for high-power applications.

Working Principles

L4931CPT50-TR 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. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Detailed Application Field Plans

L4931CPT50-TR finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Embedded systems - Consumer electronics - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CPT50-TR include: - LM1117-5.0 - LT1086-5.0 - MCP1700-500

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, L4931CPT50-TR is a voltage regulator with low dropout voltage, wide input voltage range, and thermal shutdown protection. It is commonly used in various electronic devices and offers stable and regulated output voltage. However, it has limitations in terms of output current capacity. Alternative models such as LM1117-5.0, LT1086-5.0, and MCP1700-500 can be considered for different design needs.