BA78M20CP-E2

Product Overview

Category

BA78M20CP-E2 belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize the output voltage in electronic circuits.

Characteristics

• Input Voltage Range: 24V - 40V
• Output Voltage: 20V
• Maximum Output Current: 500mA
• Package Type: TO-220
• Operating Temperature Range: -40°C to +125°C

Package

The BA78M20CP-E2 voltage regulator comes in a TO-220 package, which provides good thermal conductivity and easy mounting on circuit boards.

Essence

The essence of BA78M20CP-E2 is to provide a stable and regulated output voltage for various electronic applications.

Packaging/Quantity

The BA78M20CP-E2 is typically packaged in reels or tubes. The quantity per package varies depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 24V - 40V
• Output Voltage: 20V
• Output Current: 500mA
• Dropout Voltage: 2V (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±1% (typical)
• Ripple Rejection Ratio: 60dB (typical)
• Quiescent Current: 5mA (typical)
• Thermal Shutdown Protection: Yes

Detailed Pin Configuration

The BA78M20CP-E2 voltage regulator has three pins:

1. Input Pin (VIN): This pin is connected to the input voltage source.
2. Ground Pin (GND): This pin is connected to the ground reference of the circuit.
3. Output Pin (VOUT): This pin provides the regulated output voltage.

Functional Features

• Regulates and stabilizes the output voltage within a specified range.
• Provides thermal shutdown protection to prevent overheating.
• Offers good line and load regulation for stable performance.
• High ripple rejection ratio ensures a clean output signal.

Advantages

• Wide input voltage range allows for versatile applications.
• TO-220 package provides efficient heat dissipation.
• Thermal shutdown protection enhances safety and reliability.
• Good line and load regulation ensures stable output voltage.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Dropout voltage of 2V may result in higher power dissipation.

Working Principles

The BA78M20CP-E2 voltage regulator operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions.

Detailed Application Field Plans

BA78M20CP-E2 can be used in various electronic applications, including:

1. Power supplies for microcontrollers and digital circuits.
2. Battery charging circuits.
3. Audio amplifiers and preamplifiers.
4. Industrial control systems.
5. Automotive electronics.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to BA78M20CP-E2 are:

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. L7805CV: Fixed 5V voltage regulator with higher output current capability.
3. LT1084: Adjustable voltage regulator with low dropout voltage and high output current.

These alternative models offer different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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