NCV8842DG

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DG Package (PowerSO-8)

Essence: The NCV8842DG is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCV8842DG is available in a PowerSO-8 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.3V at 1A
• Quiescent Current: 100µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCV8842DG has the following pin configuration:

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| | --| VIN GND |-- Pin 1: Ground --| VOUT EN |-- Pin 2: Enable --| FB NC |-- Pin 3: Not Connected --| COMP NC |-- Pin 4: Not Connected --| SS NC |-- Pin 5: Not Connected --| PG NC |-- Pin 6: Not Connected --| NC VCC |-- Pin 7: Supply Voltage --| NC NC |-- Pin 8: Not Connected |___________| ```

Functional Features

• High Efficiency: The NCV8842DG utilizes advanced circuitry to achieve high efficiency, minimizing power losses and maximizing battery life in portable devices.
• Low Dropout Voltage: The regulator maintains a low dropout voltage, ensuring stable output voltage even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.
• Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, allowing flexibility in different system requirements.
• Overcurrent Protection: The NCV8842DG incorporates overcurrent protection, safeguarding the circuit from excessive current flow and preventing damage to the device.
• Thermal Shutdown Protection: In case of excessive temperature rise, the IC automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency design - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Disadvantages: - Limited maximum output current (up to 1.5A)

Working Principles

The NCV8842DG operates as a linear voltage regulator. It regulates the output voltage by comparing a reference voltage with the feedback voltage obtained from the output. The internal control circuitry adjusts the pass transistor to maintain a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The NCV8842DG is widely used in various electronic applications, including but not limited to: - Power supplies for industrial equipment - Automotive electronics - Battery-powered devices - Consumer electronics - Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCV8842DG include: - LM317 - LT1083 - LM1117 - TPS7A4700

These alternatives provide voltage regulation capabilities with varying specifications and package options, allowing designers to choose the most suitable option for their specific application.

Note: The content provided above is a general overview and may not cover all aspects of the NCV8842DG. For detailed technical information, please refer to the datasheet provided by the manufacturer.