L4931ABZ80-AP

Product Overview

Category

L4931ABZ80-AP belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Low dropout voltage
• Output current up to 100 mA
• Fixed output voltage of 8.0 V
• Very low quiescent current
• Internal current and thermal limit
• Available in a TO-92 package

Package

The L4931ABZ80-AP is packaged in a TO-92 package, which is a small plastic casing with three leads.

Essence

The essence of the L4931ABZ80-AP is its ability to provide a stable and regulated output voltage of 8.0 V.

Packaging/Quantity

This product is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.2 V to 20 V
• Output Voltage: 8.0 V
• Dropout Voltage: 0.9 V (at 100 mA)
• Quiescent Current: 5 mA
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-92

Detailed Pin Configuration

The L4931ABZ80-AP has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (VOUT): This pin provides the regulated output voltage of 8.0 V.

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• Internal current and thermal limit protection safeguards the device from excessive current or temperature.
• Low quiescent current minimizes power consumption when the load is light.

Advantages and Disadvantages

Advantages

• Stable and regulated output voltage of 8.0 V.
• Low dropout voltage allows for efficient regulation.
• Internal current and thermal limit protection ensures device safety.
• Low quiescent current minimizes power consumption.

Disadvantages

• Limited output current of up to 100 mA may not be suitable for high-power applications.
• TO-92 package may not be ideal for space-constrained designs.

Working Principles

The L4931ABZ80-AP 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 monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable 8.0 V output.

Detailed Application Field Plans

The L4931ABZ80-AP can be used in various electronic applications, including but not limited to: - Battery-powered devices requiring a stable 8.0 V supply voltage. - Audio amplifiers and preamplifiers. - Industrial control systems. - Automotive electronics. - Portable instrumentation.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the L4931ABZ80-AP include: - LM7808: A popular 8.0 V voltage regulator with higher output current capability. - LT1084: A high-current, low-dropout voltage regulator with adjustable output voltage. - MCP1702: A low quiescent current, fixed-output voltage regulator available in various voltage options.

These alternative models can be considered based on specific requirements and design constraints.

Word count: 511 words