MC34064P-5RM

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Shutdown Protection

Package: TO-220

Essence: The MC34064P-5RM is a voltage regulator IC that provides a stable output voltage with low dropout. It is commonly used in various electronic devices to regulate and stabilize the voltage supply.

Packaging/Quantity: The MC34064P-5RM is typically packaged in a TO-220 package, which is a widely used through-hole package for power semiconductors. It is available in various quantities depending on the supplier.

Specifications

• Input Voltage Range: 7V - 35V
• Output Voltage Range: 5V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V (typical)
• Line Regulation: 0.2% (typical)
• Load Regulation: 0.4% (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MC34064P-5RM has a standard TO-220 pin configuration with the following pins:

1. GND (Ground): Connected to the ground reference of the circuit.
2. Vin (Input Voltage): Connects to the input voltage source.
3. Vout (Output Voltage): Provides the regulated output voltage.
4. Adj (Adjust): Used to adjust the output voltage using an external resistor.

Functional Features

• Low dropout voltage ensures efficient regulation even when the input voltage is close to the desired output voltage.
• High output current capability allows it to power a wide range of electronic components.
• Adjustable output voltage enables customization according to specific requirements.
• Thermal shutdown protection prevents the IC from overheating and ensures safe operation.

Advantages

• Stable output voltage regulation even under varying input voltage conditions.
• Low dropout voltage minimizes power dissipation and improves efficiency.
• High output current capability makes it suitable for powering various electronic devices.
• Adjustable output voltage provides flexibility in different applications.
• Thermal shutdown protection enhances reliability and prevents damage due to excessive heat.

Disadvantages

• Limited output voltage range (fixed at 5V).
• Requires an external resistor for adjusting the output voltage, which adds complexity to the circuit design.

Working Principles

The MC34064P-5RM utilizes a feedback control mechanism to regulate the output voltage. It compares the actual output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output. The dropout voltage is minimized by using a low resistance pass transistor, ensuring efficient regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The MC34064P-5RM is widely used in various applications that require a stable and regulated power supply. Some common application fields include:

1. Consumer Electronics: Used in audio/video equipment, set-top boxes, and gaming consoles to provide reliable power to the circuitry.
2. Automotive Electronics: Employed in automotive systems such as infotainment systems, lighting controls, and engine management units.
3. Industrial Control Systems: Integrated into industrial automation equipment, motor drives, and power supplies to ensure stable operation.
4. Telecommunications: Utilized in telecom infrastructure equipment, routers, and switches to maintain a consistent power supply.

Detailed and Complete Alternative Models

1. LM7805: A popular linear voltage regulator with similar specifications and pin configuration.
2. LT1084: A high-current adjustable voltage regulator with low dropout voltage.
3. LM317: An adjustable voltage regulator with a wide input voltage range and high output current capability.

These alternative models offer similar functionality and can be used as substitutes for the MC34064P-5RM in various applications.

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