NCV8403ASTT3G

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High voltage capability - Low quiescent current - Overvoltage protection - Thermal shutdown protection - Short-circuit protection

Package: SOT-223

Essence: The NCV8403ASTT3G is a power management IC designed for various applications that require high voltage capability and low quiescent current.

Packaging/Quantity: The NCV8403ASTT3G is available in a SOT-223 package. It is typically sold in reels containing a specified quantity of units.

Specifications

The NCV8403ASTT3G has the following specifications:

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Quiescent Current: 2.5mA (typical)
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV8403ASTT3G has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. EN: Enable pin

Functional Features

The NCV8403ASTT3G offers the following functional features:

1. High Voltage Capability: The IC can handle input voltages ranging from 4.5V to 40V, making it suitable for a wide range of applications.
2. Low Quiescent Current: The IC has a low quiescent current of 2.5mA, minimizing power consumption.
3. Overvoltage Protection: The IC includes overvoltage protection to safeguard connected devices from excessive voltage levels.
4. Thermal Shutdown Protection: The IC features thermal shutdown protection, which prevents overheating and potential damage.
5. Short-Circuit Protection: The IC incorporates short-circuit protection to prevent damage in case of a short circuit.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Low quiescent current for power efficiency - Comprehensive protection features

Disadvantages: - Limited maximum output current (1A)

Working Principles

The NCV8403ASTT3G operates as a step-down voltage regulator. It takes an input voltage within the specified range and provides a regulated output voltage. The IC uses internal circuitry to achieve high voltage capability, low quiescent current, and various protection features.

Detailed Application Field Plans

The NCV8403ASTT3G is suitable for a wide range of applications, including but not limited to:

1. Automotive Electronics: The IC can be used in automotive electronics systems, such as infotainment systems, lighting control, and power distribution modules.
2. Industrial Control Systems: It can be employed in industrial control systems that require stable and efficient power management.
3. Consumer Electronics: The IC finds application in consumer electronic devices, such as smart home appliances, audio/video equipment, and portable devices.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCV8403ASTT3G include:

1. LM2596: A popular step-down voltage regulator IC with a wide input voltage range and adjustable output voltage.
2. LT1763: A low dropout (LDO) linear regulator IC with high voltage capability and low quiescent current.
3. TPS5430: A synchronous buck converter IC with integrated protection features and adjustable output voltage.

These alternative models can be considered based on specific requirements and design constraints.

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