NCV33078DR2G

Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low Dropout Voltage - High Output Current - Adjustable Output Voltage - Thermal Overload Protection - Short Circuit Protection

Package: SOIC-8

Essence: The NCV33078DR2G is a voltage regulator IC designed to provide a stable output voltage for various electronic devices.

Packaging/Quantity: The NCV33078DR2G is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 2.7V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1A
• Dropout Voltage: 0.5V (typical)
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCV33078DR2G has the following pin configuration:

```

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| | --| IN OUT |-- Pin 1: Input Voltage (IN) --| GND ADJ |-- Pin 2: Ground (GND) --| EN NC |-- Pin 3: Enable (EN) --| VOUT NC |-- Pin 4: Output Voltage (OUT) |___________| ```

Functional Features

1. Low Dropout Voltage: The NCV33078DR2G exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current: With a maximum output current of 1A, this voltage regulator can power a wide range of electronic devices.
3. Adjustable Output Voltage: The output voltage can be easily adjusted using an external resistor, allowing for flexibility in various applications.
4. Thermal Overload Protection: The IC incorporates thermal overload protection, preventing damage due to excessive heat.
5. Short Circuit Protection: The NCV33078DR2G includes short circuit protection, safeguarding the device and connected components from potential damage.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Adjustable output voltage - High output current capability - Thermal and short circuit protection

Disadvantages: - Limited package options - Higher quiescent current compared to some alternatives

Working Principles

The NCV33078DR2G operates as a linear voltage regulator. It regulates the output voltage by comparing the reference voltage with the feedback voltage obtained from the output. Any difference between these voltages is amplified and used to adjust the pass transistor, ensuring a stable output voltage.

Application Field Plans

The NCV33078DR2G finds applications in various electronic devices that require a regulated power supply. Some common application fields include: - Automotive electronics - Industrial control systems - Consumer electronics - Telecommunications equipment - Power management modules

Alternative Models

1. LM317: A popular adjustable voltage regulator with similar features.
2. LT1084: Offers higher output current capability and lower dropout voltage.
3. LM1117: Provides fixed output voltage options with low dropout voltage.

These alternative models offer similar functionality and can be considered based on specific requirements and preferences.

In conclusion, the NCV33078DR2G is a versatile voltage regulator IC that provides stable output voltage, high output current, and various protection features. Its wide range of applications and availability of alternative models make it a suitable choice for many electronic designs.

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