SG7815AK

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: High precision, fixed output voltage, compact size
• Package: TO-220
• Essence: The SG7815AK is a voltage regulator IC that provides a fixed output voltage of 15V. It is commonly used in electronic circuits to regulate and stabilize the voltage supply.
• Packaging/Quantity: The SG7815AK is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage: Up to 35V
• Output Voltage: 15V
• Output Current: Up to 1A
• Operating Temperature Range: -40°C to +125°C
• Line Regulation: 0.01%/V
• Load Regulation: 0.1%
• Ripple Rejection Ratio: 60dB
• Dropout Voltage: 2V

Pin Configuration

The SG7815AK has three pins:

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

Functional Features

• Voltage Regulation: The SG7815AK ensures a stable output voltage of 15V regardless of changes in the input voltage or load conditions.
• Overcurrent Protection: The IC includes built-in protection against excessive current flow, preventing damage to the circuit.
• Thermal Shutdown: In case of overheating, the SG7815AK automatically shuts down to prevent damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - High precision voltage regulation - Compact size for easy integration into various electronic devices - Wide operating temperature range - Built-in protection features

Disadvantages: - Limited output current capacity (up to 1A) - Dropout voltage of 2V may not be suitable for low voltage applications

Working Principles

The SG7815AK is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a constant output voltage.

Application Field Plans

The SG7815AK finds applications in various electronic devices and systems, including:

1. Power supplies for audio amplifiers
2. Battery charging circuits
3. Industrial control systems
4. Automotive electronics
5. LED lighting systems

Alternative Models

Here are some alternative models that can be used as substitutes for the SG7815AK:

1. LM7815: A popular voltage regulator IC with similar specifications.
2. UA7815: Another widely used voltage regulator IC offering a fixed 15V output.
3. L78S15CV: A high-current voltage regulator IC capable of delivering up to 2A of output current.

These alternatives provide similar functionality and can be used as drop-in replacements for the SG7815AK in most applications.

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