MC33364D1R2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: DFN-8 (Dual Flat No-Lead)

Essence: The MC33364D1R2G 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 control the voltage supplied to different components.

Packaging/Quantity: The MC33364D1R2G is available in a DFN-8 package, which is a small surface-mount package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The MC33364D1R2G has the following pin configuration:

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| | --| VOUT | --| VIN | --| GND | --| EN | --| FB | --| NC | --| PG | |___________| ```

Pin Description: - VOUT: Output voltage pin - VIN: Input voltage pin - GND: Ground pin - EN: Enable pin (active high) - FB: Feedback pin for adjusting the output voltage - NC: No connection (unused pin) - PG: Power Good pin (indicates the output voltage is within regulation)

Functional Features

• Low dropout voltage: The MC33364D1R2G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High output current capability: It can provide a maximum output current of 500mA, making it suitable for powering various electronic components.
• Adjustable output voltage: The output voltage can be adjusted within the specified range using an external resistor divider connected to the FB pin.
• Thermal shutdown protection: The IC includes thermal shutdown protection to prevent damage due to excessive temperature.
• Overcurrent protection: It incorporates overcurrent protection to safeguard against excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient voltage regulation. - High output current capability allows for powering a wide range of components. - Adjustable output voltage provides flexibility in different applications. - Thermal shutdown and overcurrent protection enhance reliability and safety.

Disadvantages: - Limited output current compared to some other voltage regulator ICs. - Requires external components (resistor divider) for adjusting the output voltage.

Working Principles

The MC33364D1R2G operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The feedback pin (FB) is used to monitor the output voltage and adjust the pass transistor accordingly.

Detailed Application Field Plans

The MC33364D1R2G is widely used in various electronic devices and systems where stable voltage regulation is required. Some common application fields include:

1. Battery-powered devices: It can be used to regulate the voltage supplied to microcontrollers, sensors, and other components in portable electronics such as smartphones, tablets, and wearable devices.
2. Automotive electronics: The IC is suitable for voltage regulation in automotive applications, including infotainment systems, lighting controls, and engine management systems.
3. Industrial equipment: It can be utilized in industrial automation systems, power supplies, motor control circuits, and instrumentation devices.
4. Consumer electronics: The MC33364D1R2G finds application in televisions, audio systems, gaming consoles, and other consumer electronic products.

Detailed and Complete Alternative Models

1. LM1117-ADJ: Adjustable voltage regulator with similar characteristics and package.
2. LT1763-5: Low dropout voltage regulator with a fixed 5V output.
3. TPS7A4700: High-current, low-dropout voltage regulator with adjustable output voltage.

These alternative models offer similar functionality and can be considered as substitutes for the MC33364D1R2G depending on specific requirements and availability.

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