L4931CDT120-TR

Product Overview

Category

L4931CDT120-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
• Output current up to 100 mA
• Fixed output voltage of 1.2 V
• Very low quiescent current
• Thermal shutdown and short-circuit protection

Package

L4931CDT120-TR comes in a small surface-mount SOT-23 package.

Essence

The essence of L4931CDT120-TR lies in its ability to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of L4931CDT120-TR units.

Specifications

• Input Voltage Range: 2.5 V to 6 V
• Output Voltage: 1.2 V
• Output Current: Up to 100 mA
• Dropout Voltage: 0.4 V (typical)
• Quiescent Current: 50 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

L4931CDT120-TR has three pins:

1. Vin (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. Vout (Pin 3): Output voltage pin.

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• The fixed output voltage of 1.2 V makes it suitable for applications requiring a stable voltage reference.
• Very low quiescent current minimizes power consumption in standby or idle modes.
• Thermal shutdown and short-circuit protection safeguard the regulator and connected components from damage.

Advantages and Disadvantages

Advantages

• Small package size allows for space-efficient integration into electronic circuits.
• Low dropout voltage enables efficient regulation even with low input voltages.
• Thermal shutdown and short-circuit protection enhance reliability and protect connected components.

Disadvantages

• Limited output current of up to 100 mA may not be sufficient for high-power applications.
• Fixed output voltage of 1.2 V restricts its use to specific voltage requirements.

Working Principles

L4931CDT120-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. This ensures that the output voltage remains constant despite variations in the input voltage or load conditions.

Detailed Application Field Plans

L4931CDT120-TR finds application in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Embedded systems - IoT devices - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to L4931CDT120-TR include: - LM1117-1.2 - MCP1700-120 - TS2937CZ-1.2

These models offer similar voltage regulation capabilities and can be suitable replacements depending on specific application requirements.

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