AN79L15ME1

Product Overview

Category

AN79L15ME1 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• AN79L15ME1 is a low-dropout linear voltage regulator.
• It operates with an input voltage range of -35V to -60V.
• The output voltage is fixed at -15V.
• It has a maximum output current of 100mA.
• AN79L15ME1 offers excellent line regulation and load regulation.

Package

The AN79L15ME1 comes in a TO-252 package, also known as DPAK (Plastic Packaged Power Transistor).

Essence

The essence of AN79L15ME1 lies in its ability to provide a stable and regulated -15V output voltage.

Packaging/Quantity

AN79L15ME1 is typically sold in reels or tubes, with each reel/tube containing a specific quantity of voltage regulators. The exact quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: -35V to -60V
• Output Voltage: -15V
• Maximum Output Current: 100mA
• Line Regulation: ±0.2%
• Load Regulation: ±0.4%
• Dropout Voltage: 1.7V (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

AN79L15ME1 has three pins:

1. Input (IN): This pin is connected to the input voltage source.
2. Ground (GND): This pin is connected to the ground reference.
3. Output (OUT): This pin provides the regulated -15V output voltage.

Functional Features

• Low dropout voltage ensures efficient voltage regulation even when the input voltage is close to the output voltage.
• Excellent line and load regulation characteristics ensure stable output voltage under varying conditions.
• Short-circuit protection prevents damage to the regulator in case of a short circuit.
• Thermal shutdown feature protects the device from overheating.

Advantages

• Provides a stable -15V output voltage for electronic circuits.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Compact TO-252 package allows for easy integration into various applications.
• Excellent line and load regulation characteristics ensure reliable performance.

Disadvantages

• Limited maximum output current of 100mA may not be suitable for high-power applications.
• The operating temperature range of -40°C to +125°C may restrict usage in extreme temperature environments.

Working Principles

AN79L15ME1 operates based on the principle of linear voltage regulation. It uses a series pass transistor to regulate the output voltage. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant -15V output.

Detailed Application Field Plans

AN79L15ME1 finds applications in various electronic devices and systems, including but not limited to:

1. Power supplies: AN79L15ME1 can be used in power supply circuits to provide a stable -15V voltage rail.
2. Audio amplifiers: It can be employed in audio amplifier circuits to regulate the negative bias voltage.
3. Industrial control systems: AN79L15ME1 can be utilized in industrial control systems that require a regulated -15V voltage source.

Detailed and Complete Alternative Models

Some alternative models that serve similar purposes to AN79L15ME1 include:

1. LM7915: A popular negative voltage regulator with similar specifications.
2. MC79L15: Another negative voltage regulator commonly used in electronic circuits.
3. LT1963A: A low dropout voltage regulator capable of providing adjustable negative voltages.

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

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