NCP5422ADR2

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOIC-8

Essence: The NCP5422ADR2 is a voltage regulator IC that provides stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCP5422ADR2 is available in a standard SOIC-8 package. It is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 2A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The NCP5422ADR2 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 SS |-- Pin 4: Soft Start |___________| ```

Functional Features

1. High Efficiency: The NCP5422ADR2 offers high efficiency, minimizing power loss and maximizing battery life in portable devices.

2. Low Dropout Voltage: With a low dropout voltage of 200mV at 1A, the IC ensures stable output voltage even when the input voltage is close to the desired output voltage.

3. Adjustable Output Voltage: The output voltage can be easily adjusted within the range of 0.8V to 5.5V, providing flexibility for different applications.

4. Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.

5. Thermal Shutdown Protection: To prevent overheating, the NCP5422ADR2 includes thermal shutdown protection, automatically shutting down the regulator when the temperature exceeds a certain threshold.

Advantages and Disadvantages

Advantages: - High efficiency - Adjustable output voltage - Overcurrent and thermal protection - Compact SOIC-8 package

Disadvantages: - Limited maximum output current (2A)

Working Principles

The NCP5422ADR2 is a step-down voltage regulator that utilizes a switching mechanism to efficiently convert the input voltage to a lower, regulated output voltage. It employs pulse width modulation (PWM) to control the duty cycle of the internal power switch, ensuring the desired output voltage is maintained.

Detailed Application Field Plans

The NCP5422ADR2 can be used in various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. Industrial automation systems 4. Automotive electronics 5. Telecommunications equipment

Detailed and Complete Alternative Models

1. LM317: Adjustable voltage regulator with a wide input voltage range.
2. LT1084: Low dropout voltage regulator with high output current capability.
3. LM7805: Fixed 5V voltage regulator commonly used in electronic circuits.
4. TPS5430: Synchronous buck converter with adjustable output voltage.

These alternative models offer similar functionality to the NCP5422ADR2 and can be considered as alternatives based on specific requirements.

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