AN78L10ME1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Fixed Output Voltage
• Package: TO-252, 3-Pin
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2,500 units per reel

Specifications

• Input Voltage Range: 12V to 35V
• Output Voltage: -10V
• Output Current: 100mA
• Dropout Voltage: 2V (max)
• Line Regulation: 0.4% (typ)
• Load Regulation: 0.4% (typ)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN78L10ME1 IC has three pins:

1. Pin 1: Input Voltage (VIN)
2. Pin 2: Ground (GND)
3. Pin 3: Output Voltage (VOUT)

Functional Features

• Low dropout voltage ensures stable output even with low input voltage.
• Fixed output voltage of -10V provides a reliable power source for various applications.
• Excellent line and load regulation characteristics ensure consistent performance.
• Built-in thermal shutdown protection prevents damage due to excessive heat.
• Short-circuit current limiting protects the IC and connected components.

Advantages and Disadvantages

Advantages: - Compact and easy-to-use package. - Wide input voltage range allows flexibility in different applications. - Low dropout voltage minimizes power dissipation. - Good line and load regulation characteristics ensure stable output.

Disadvantages: - Limited output current capability (100mA). - Fixed output voltage may not be suitable for all applications. - Requires external capacitors for stability.

Working Principles

The AN78L10ME1 is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, adjusting the pass transistor to maintain a constant output voltage. The dropout voltage is the minimum voltage required for the regulator to operate correctly.

Detailed Application Field Plans

The AN78L10ME1 is commonly used in various electronic devices and systems that require a stable -10V power supply. Some typical applications include:

1. Audio Amplifiers: Provides a regulated negative voltage for audio amplification circuits.
2. Instrumentation Systems: Used as a negative power source for analog sensors and signal conditioning circuits.
3. Industrial Control Systems: Provides a reliable negative voltage for control circuitry.
4. Automotive Electronics: Used in automotive applications where a regulated negative voltage is required.

Detailed and Complete Alternative Models

• LM79L10ACZ: Negative voltage regulator with similar specifications and package.
• MC79L10ACP: Low dropout negative voltage regulator with higher output current capability.
• UA79L10ACLP: Negative voltage regulator with adjustable output voltage.

(Note: This list is not exhaustive and other alternative models may exist.)

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