NCV8406ASTT3G

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: SOT-223

Essence: The NCV8406ASTT3G is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 5.0V
• Dropout Voltage: 200mV at 1A
• Output Current: Up to 1.5A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV8406ASTT3G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the output voltage

Functional Features

• Low Dropout Voltage: The NCV8406ASTT3G has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 1.5A, this voltage regulator can power a wide range of electronic devices.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents damage due to excessive heat.
• Overcurrent Protection: It also features overcurrent protection, safeguarding the circuit from excessive current flow.
• Adjustable Output Voltage: The output voltage can be adjusted using the ADJ pin, allowing flexibility in different applications.
• Wide Input Voltage Range: The NCV8406ASTT3G can accept input voltages ranging from 2.7V to 5.5V, making it compatible with various power sources.

Advantages and Disadvantages

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

Disadvantages: - Limited to SOT-223 package, which may not be suitable for all applications - Quiescent current of 120µA may impact battery life in low-power devices

Working Principles

The NCV8406ASTT3G operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the difference between the input and desired output voltage. The internal circuitry monitors the output voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The NCV8406ASTT3G is commonly used in various electronic devices that require a stable and regulated power supply. Some typical application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the NCV8406ASTT3G's low dropout voltage and high output current capability.
2. Automotive Electronics: The IC's wide input voltage range and thermal shutdown protection make it suitable for automotive applications, such as infotainment systems and lighting control.
3. Industrial Equipment: The voltage regulator can be utilized in industrial equipment, including control systems, sensors, and motor drives, due to its robustness and reliability.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and package options.
2. LT1763: Offers lower dropout voltage and higher output current capability, suitable for demanding applications.
3. TPS7A4700: Provides adjustable output voltage and ultra-low quiescent current, ideal for battery-powered devices.

These alternative models offer similar functionality to the NCV8406ASTT3G and can be considered based on specific application requirements.

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