AN79L24ME1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low dropout, fixed output voltage
• Package: TO-252-3 (DPAK)
• Essence: Regulates input voltage to a fixed output voltage
• Packaging/Quantity: Tape and reel, 2,500 units per reel

Specifications

• Input Voltage Range: 7V to 30V
• Output Voltage: -24V
• Output Current: 100mA
• Dropout Voltage: 0.5V (typical)
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN79L24ME1 IC has three pins:

1. Pin 1: Input (VIN) - Connects to the input voltage source.
2. Pin 2: Ground (GND) - Connected to the ground reference.
3. Pin 3: Output (VOUT) - Provides the regulated -24V output.

Functional Features

• Low dropout voltage ensures efficient regulation even with low input-output voltage differentials.
• Fixed output voltage of -24V provides a stable power supply for various applications.
• Excellent line and load regulation characteristics ensure consistent performance under varying conditions.
• Thermal shutdown protection prevents damage due to excessive temperature.

Advantages

• Compact TO-252-3 package allows for easy integration into space-constrained designs.
• Wide input voltage range enables compatibility with a variety of power sources.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• Reliable and stable output voltage ensures consistent performance.

Disadvantages

• Limited output current of 100mA may not be suitable for high-power applications.
• Negative output voltage restricts its use to specific applications requiring negative supply.

Working Principles

The AN79L24ME1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage, adjusting the pass transistor's resistance to maintain a constant output voltage. The dropout voltage is minimized by using a low dropout voltage regulator architecture.

Detailed Application Field Plans

The AN79L24ME1 is commonly used in various electronic devices and systems, including:

1. Industrial control systems
2. Automotive electronics
3. Telecommunications equipment
4. Audio amplifiers
5. Power supplies
6. Battery charging circuits

Detailed and Complete Alternative Models

• LM340-24: 24V Voltage Regulator IC
• MC79L24: -24V Fixed Output Voltage Regulator
• L78L24ABD: 24V Positive Voltage Regulator

These alternative models provide similar functionality and can be used as substitutes for the AN79L24ME1 in appropriate applications.

Word count: 346 words