L4931CDT30-TR

Product Overview

Category

L4931CDT30-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 3.0 V
• Thermal shutdown and short-circuit protection
• Low quiescent current

Package

L4931CDT30-TR comes in a small surface-mount package.

Essence

The essence of L4931CDT30-TR lies in its ability to provide stable and regulated voltage to electronic devices.

Packaging/Quantity

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

Specifications

• Input Voltage Range: 4.2 V to 20 V
• Output Voltage: 3.0 V
• Output Current: Up to 100 mA
• Dropout Voltage: 0.6 V (typical)
• Quiescent Current: 75 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CDT30-TR has three pins:

1. Vin (Input): This pin is connected to the input voltage source.
2. Vout (Output): This pin provides the regulated output voltage of 3.0 V.
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.
• Thermal shutdown feature protects the regulator from overheating.
• Short-circuit protection prevents damage to the device in case of a short circuit.
• Low quiescent current minimizes power consumption when the load is light.

Advantages and Disadvantages

Advantages

• Provides stable and regulated output voltage.
• Suitable for low-power applications.
• Offers thermal shutdown and short-circuit protection.

Disadvantages

• Limited output current capacity (up to 100 mA).
• Requires an input voltage range of 4.2 V to 20 V.

Working Principles

L4931CDT30-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 ensures that the output voltage remains constant even when the input voltage or load conditions vary.

Detailed Application Field Plans

L4931CDT30-TR finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Embedded systems - IoT devices - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CDT30-TR include: - LM1117-3.0 - MCP1703-3002E/DB - TS2937CP-3.0

These models offer similar voltage regulation capabilities and can be used as substitutes depending on specific requirements.

In conclusion, L4931CDT30-TR is a voltage regulator with a fixed output voltage of 3.0 V. It provides stable voltage regulation, low dropout voltage, and various protection features. With its compact package and wide operating temperature range, it is suitable for a range of low-power electronic applications.