L4931ABZ25-AP

Product Overview

Category

L4931ABZ25-AP 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 2.5 V
• Very low quiescent current
• Internal thermal overload protection
• Available in a TO-92 package

Package and Quantity

The L4931ABZ25-AP comes in a TO-92 package. It is typically sold in packs of 10 or 100 units.

Specifications

• Dropout voltage: 0.6 V (typical)
• Output voltage accuracy: ±2%
• Quiescent current: 5 mA (maximum)
• Operating temperature range: -40°C to +125°C

Pin Configuration

The L4931ABZ25-AP has three pins: 1. Input pin (VIN): Connects to the input voltage source. 2. Ground pin (GND): Connected to the ground reference. 3. Output pin (VOUT): Provides the regulated output voltage.

Functional Features

• Voltage regulation: The L4931ABZ25-AP maintains a stable output voltage of 2.5 V, even with varying input voltages.
• Low dropout voltage: It operates efficiently with a low dropout voltage of only 0.6 V, minimizing power dissipation.
• Thermal overload protection: The regulator includes internal thermal overload protection, ensuring safe operation under high temperature conditions.

Advantages

• Low quiescent current: The L4931ABZ25-AP has very low quiescent current, making it suitable for battery-powered applications.
• Compact package: The TO-92 package offers a small form factor, enabling easy integration into space-constrained designs.
• Wide operating temperature range: It can operate reliably in a wide temperature range, from -40°C to +125°C.

Disadvantages

• Limited output current: The L4931ABZ25-AP is designed for low-power applications with an output current limit of 100 mA. It may not be suitable for high-current demanding circuits.

Working Principles

The L4931ABZ25-AP 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 constant output voltage.

Application Field Plans

The L4931ABZ25-AP finds applications in various electronic devices, including: - Battery-powered devices - Microcontrollers - Sensors - Portable audio players

Alternative Models

Other alternative models that can be considered as replacements for the L4931ABZ25-AP include: - LM1117-2.5 - MCP1702-2502E/TO - TS2950CT-2.5

These alternatives offer similar characteristics and functionality to the L4931ABZ25-AP.

In conclusion, the L4931ABZ25-AP is a voltage regulator with a fixed output voltage of 2.5 V. It offers low dropout voltage, low quiescent current, and thermal overload protection. While it has limitations in terms of output current, it is widely used in battery-powered devices, microcontrollers, sensors, and portable audio players. Alternative models such as LM1117-2.5, MCP1702-2502E/TO, and TS2950CT-2.5 can be considered as substitutes for this voltage regulator.