NCV78M05BDTRKG

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • Fixed Output Voltage: 5V
  • Low Dropout Voltage
  • High Ripple Rejection Ratio
  • Thermal Shutdown Protection
• Package: D2PAK-3
• Essence: Linear Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 7V to 35V
• Output Voltage: 5V ±4%
• Output Current: Up to 500mA
• Dropout Voltage: 2V (typical) at 500mA
• Quiescent Current: 10mA (typical)
• Ripple Rejection Ratio: 70dB (typical) at 1kHz
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV78M05BDTRKG has three pins:

1. Vin (Pin 1): Input voltage pin.
2. GND (Pin 2): Ground reference pin.
3. Vout (Pin 3): Output voltage pin.

Functional Features

• Voltage Regulation: The NCV78M05BDTRKG provides a fixed output voltage of 5V, ensuring a stable power supply for various electronic devices.
• Low Dropout Voltage: With a low dropout voltage of 2V at 500mA, the regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• High Ripple Rejection Ratio: The high ripple rejection ratio of 70dB at 1kHz ensures efficient filtering of noise and unwanted signals from the input voltage.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature by shutting down the regulator temporarily.

Advantages and Disadvantages

Advantages: - Stable output voltage - Low dropout voltage - High ripple rejection ratio - Thermal shutdown protection

Disadvantages: - Limited output current capacity (up to 500mA)

Working Principles

The NCV78M05BDTRKG is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a constant output voltage. The regulator operates in a continuous mode, providing a stable output voltage even when the input voltage or load conditions vary.

Detailed Application Field Plans

The NCV78M05BDTRKG is widely used in various electronic devices and applications, including but not limited to:

1. Power Supplies: It can be used as a voltage regulator in power supply circuits for microcontrollers, sensors, and other low-power electronic components.
2. Automotive Electronics: The regulator finds applications in automotive systems such as infotainment systems, dashboard displays, and lighting control modules.
3. Industrial Control Systems: It can be employed in industrial control systems to regulate voltages for PLCs (Programmable Logic Controllers), motor drives, and instrumentation equipment.
4. Consumer Electronics: The IC is suitable for use in consumer electronics like audio amplifiers, set-top boxes, and gaming consoles.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCV78M05BDTRKG include:

1. LM7805: A popular linear voltage regulator with a fixed 5V output.
2. L78M05CV: Another 5V linear voltage regulator with a TO-220 package.
3. AMS1117-5.0: A low dropout voltage regulator with a fixed 5V output and SOT-223 package.

These alternative models can be considered based on specific requirements and availability.

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