NCV494BDR2G

Product Overview

Category

The NCV494BDR2G belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in various electronic devices for voltage regulation and power management purposes.

Characteristics

• The NCV494BDR2G is a high-performance voltage regulator with low dropout voltage.
• It operates within a wide input voltage range, making it suitable for diverse applications.
• This IC offers excellent line and load regulation, ensuring stable output voltage under varying conditions.
• It features thermal shutdown and current limit protection mechanisms, enhancing its reliability and safety.

Package

The NCV494BDR2G is available in a small outline package (SOP) format.

Essence

The essence of the NCV494BDR2G lies in its ability to efficiently regulate voltage and manage power in electronic devices.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input Voltage Range: 2.7V to 18V
• Output Voltage Range: 1.25V to 16V
• Dropout Voltage: 0.5V (typical)
• Maximum Output Current: 500mA
• Line Regulation: ±0.05% (typical)
• Load Regulation: ±0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV494BDR2G has the following pin configuration:

1. VIN (Input Voltage)
2. GND (Ground)
3. VOUT (Output Voltage)
4. BYP (Bypass Capacitor)
5. EN (Enable)

Functional Features

• High Efficiency: The NCV494BDR2G offers high efficiency in voltage regulation, minimizing power losses.
• Low Dropout Voltage: With a low dropout voltage of 0.5V, this IC can maintain stable output voltage even when the input voltage is close to the desired output voltage.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents overheating and potential damage to the device.
• Current Limit Protection: It also includes current limit protection, safeguarding against excessive current flow and protecting connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Excellent line and load regulation ensure stable output voltage under varying conditions.
• Thermal shutdown and current limit protection enhance reliability and safety.
• Small outline package (SOP) format facilitates easy integration into electronic devices.

Disadvantages

• Maximum output current limited to 500mA, which may not be sufficient for high-power applications.
• Dropout voltage of 0.5V may result in slightly reduced efficiency compared to other voltage regulators.

Working Principles

The NCV494BDR2G operates based on the principle of linear voltage regulation. It uses an internal reference voltage and feedback mechanism to maintain a constant output voltage regardless of changes in the input voltage or load conditions. By adjusting the pass transistor's resistance, the IC ensures that the output voltage remains within the specified range.

Detailed Application Field Plans

The NCV494BDR2G finds application in various electronic devices, including but not limited to: - Battery-powered devices - Portable electronics - Automotive systems - Industrial equipment - Communication devices

In battery-powered devices, it can regulate the voltage supplied by the battery, ensuring stable operation of the device's components. In automotive systems, it can be used for power management and voltage regulation in various subsystems. In industrial equipment, it can provide reliable voltage regulation for control circuits. In communication devices, it can ensure stable power supply to sensitive components.

Detailed and Complete Alternative Models

• NCV494BDR2G is an alternative model to LM1117-3.3, offering similar voltage regulation capabilities.
• For higher output current requirements, alternatives such as NCV494BDR2G-1.5 and NCV494BDR2G-2.5 are available.
• If a smaller package size is desired, alternatives like NCV494BDR2G-SOT23 may be considered.

These alternative models provide similar functionality and can be used as substitutes depending on specific application requirements.

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