L4931CD120

Product Overview

• Category: Voltage Regulator
• Use: To regulate and stabilize voltage in electronic circuits
• Characteristics: Low dropout, high accuracy, low quiescent current
• Package: TO-252 (DPAK)
• Essence: Linear voltage regulator
• Packaging/Quantity: Available in reels of 2,500 units

Specifications

• Input Voltage Range: 4.4V to 26V
• Output Voltage: 1.2V
• Output Current: Up to 100mA
• Dropout Voltage: 0.6V at 100mA
• Quiescent Current: 5mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L4931CD120 has three pins:

1. Input (VIN): Connects to the input voltage source.
2. Ground (GND): Connected to the ground reference.
3. Output (VOUT): Provides the regulated output voltage.

Functional Features

• Low Dropout: The L4931CD120 operates with a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Accuracy: It provides a highly accurate output voltage, minimizing voltage fluctuations and ensuring stable operation of connected devices.
• Low Quiescent Current: The regulator consumes minimal current when there is no load, conserving power and extending battery life.

Advantages and Disadvantages

Advantages: - High accuracy and stability - Low dropout voltage - Low quiescent current - Wide operating temperature range

Disadvantages: - Limited output current capacity (up to 100mA) - Requires external capacitors for stability

Working Principles

The L4931CD120 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The L4931CD120 is commonly used in various electronic devices, including: - Battery-powered devices - Microcontrollers - Communication systems - Industrial control systems - Automotive applications

Detailed and Complete Alternative Models

Some alternative models to the L4931CD120 include: - LM1117-1.2: Low dropout voltage regulator with similar specifications. - LT1763-1.2: Ultra-low dropout regulator with higher output current capability. - MCP1701-1.2: Low quiescent current regulator suitable for low-power applications.

These alternative models offer different features and specifications, allowing designers to choose the most suitable option for their specific requirements.

Word count: 305 words