NCV8461DR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The NCV8461DR2G is a voltage regulator IC that provides a stable output voltage regardless of variations in the input voltage. It is commonly used to regulate and control the voltage supplied to electronic devices.

Packaging/Quantity: The NCV8461DR2G is available in a standard SOIC-8 package. It is typically sold in reels or tubes containing multiple units.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.2V to 15V
• Dropout Voltage: 0.3V at 1A
• Output Current: Up to 1A
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCV8461DR2G has the following pin configuration:

```

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| | --| Vout Vin|-- --| GND EN |-- --| FB NC |-- |___________| ```

• Vout: Output Voltage
• Vin: Input Voltage
• GND: Ground
• EN: Enable Pin
• FB: Feedback Pin
• NC: No Connection

Functional Features

1. Low Dropout Voltage: The NCV8461DR2G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.

2. High Output Current Capability: With a maximum output current of 1A, the NCV8461DR2G can power a wide range of electronic devices.

3. Thermal Shutdown Protection: The IC is equipped with thermal shutdown protection, which prevents it from overheating and ensures safe operation.

4. Overcurrent Protection: The NCV8461DR2G incorporates overcurrent protection to safeguard against excessive current flow, protecting both the IC and the connected devices.

5. Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors, providing flexibility in various applications.

6. Wide Input Voltage Range: The IC can accept input voltages ranging from 2.7V to 18V, making it suitable for a wide range of power supply sources.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for powering various devices - Thermal shutdown and overcurrent protection enhance reliability - Adjustable output voltage provides flexibility - Wide input voltage range accommodates different power sources

Disadvantages: - Limited output current compared to higher-rated regulators - Requires external components for precise voltage adjustment

Working Principles

The NCV8461DR2G operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the FB pin. When the input voltage exceeds the desired output voltage, the pass transistor adjusts its resistance to maintain a stable output voltage. The EN pin allows for enable/disable control of the regulator.

Detailed Application Field Plans

The NCV8461DR2G is commonly used in various applications, including but not limited to: - Battery-powered devices - Automotive electronics - Industrial control systems - Consumer electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCV8461DR2G include: - LM317 - LT1084 - LM1117 - TPS7A4700

These models have different specifications and package options, providing alternatives for specific application requirements.

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