AN78L07ME1

Product Overview

• Category: Integrated Circuit
• 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: 8V to 35V
• Output Voltage: 7V
• Output Current: 100mA
• Dropout Voltage: 1.7V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.4% (typical)
• Quiescent Current: 5mA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The AN78L07ME1 has three pins:

1. Input (VIN): This pin is used to connect 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.

Functional Features

• Low dropout voltage: The AN78L07ME1 has a low dropout voltage of 1.7V, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Fixed output voltage: The device provides a fixed output voltage of 7V, ensuring a stable power supply for connected components.
• Overcurrent protection: The AN78L07ME1 includes built-in overcurrent protection, safeguarding the circuit from excessive current flow.
• Thermal shutdown protection: In case of excessive temperature, the device automatically shuts down to prevent damage.

Advantages and Disadvantages

Advantages: - Compact package size - Low dropout voltage - Good line and load regulation - Overcurrent and thermal protection

Disadvantages: - Limited output current (100mA) - Fixed output voltage may not suit all applications

Working Principles

The AN78L07ME1 is a linear voltage regulator that uses a 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 device also includes internal circuitry for overcurrent and thermal protection.

Detailed Application Field Plans

The AN78L07ME1 is commonly used in various electronic devices and applications, including:

1. Consumer Electronics: Used in audio/video equipment, set-top boxes, and gaming consoles.
2. Automotive: Used in automotive electronics, such as infotainment systems and dashboard displays.
3. Industrial Control Systems: Used in control panels, power supplies, and motor drives.
4. Telecommunications: Used in telecommunication equipment, such as routers and switches.
5. Medical Devices: Used in medical equipment, such as patient monitoring systems and diagnostic devices.

Detailed and Complete Alternative Models

1. LM7807: A popular alternative from Texas Instruments with similar specifications and pin configuration.
2. MC78L07: An alternative from ON Semiconductor offering comparable performance and compatibility.
3. UA78L07: Another alternative from Texas Instruments known for its reliability and availability.

These alternative models provide similar functionality and can be used as replacements for the AN78L07ME1 in various applications.

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