NCV7420D26R2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: DFN-8 (Dual Flat No-Lead)

Essence: The NCV7420D26R2G is a voltage regulator IC designed to provide a stable and regulated output voltage for various electronic devices.

Packaging/Quantity: The NCV7420D26R2G is typically sold in reels, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Dropout Voltage: 200mV at 500mA
• Output Current: Up to 500mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCV7420D26R2G has the following pin configuration:

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| | --| VIN VOUT |-- Output Voltage --| GND EN |-- Enable Pin --| FB NC |-- Feedback Pin |___________| ```

Functional Features

• Low Dropout Voltage: The NCV7420D26R2G exhibits a low dropout voltage, ensuring efficient power conversion even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 500mA, this voltage regulator can handle the power requirements of a wide range of electronic devices.
• Adjustable Output Voltage: The output voltage can be adjusted within the specified range using external resistors, providing flexibility for different applications.
• Thermal Shutdown Protection: The IC incorporates a thermal shutdown feature that protects it from overheating, ensuring reliable operation under varying temperature conditions.
• Overcurrent Protection: The NCV7420D26R2G includes overcurrent protection, safeguarding the connected circuitry from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability meets the demands of various electronic devices. - Adjustable output voltage allows for customization. - Thermal shutdown protection prevents overheating. - Overcurrent protection safeguards connected circuitry.

Disadvantages: - Limited input voltage range (2.7V to 5.5V). - Output voltage range may not be suitable for all applications.

Working Principles

The NCV7420D26R2G operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop across its internal pass transistor. The feedback pin (FB) is used to sense the output voltage and adjust the pass transistor accordingly. By comparing the output voltage with a reference voltage, the IC adjusts the pass transistor's resistance to maintain a stable output voltage.

Detailed Application Field Plans

The NCV7420D26R2G finds applications in various electronic devices that require a stable and regulated power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players often require a regulated power supply for their internal components. The NCV7420D26R2G can provide the necessary voltage regulation in these devices.

2. Wireless Communication Systems: Wireless routers, access points, and other communication systems rely on stable power sources. The NCV7420D26R2G can ensure consistent power delivery in such systems.

3. Industrial Control Systems: Many industrial control systems require precise voltage regulation to ensure reliable operation. The NCV7420D26R2G can be used in these systems to provide stable power to critical components.

4. Automotive Electronics: Various automotive electronics, such as infotainment systems and engine control units, require regulated power supplies. The NCV7420D26R2G can be employed in these applications to maintain stable voltages.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative to the NCV7420D26R2G, the LM1117-3.3 is a low dropout voltage regulator with similar specifications and features.

2. TPS79633: The TPS79633 is another viable alternative, offering adjustable output voltage and high output current capability.

3. LT1763: The LT1763 is a high-performance linear regulator that provides low dropout voltage and excellent line/load regulation.

4. ADP3339: The ADP3339 is a low dropout voltage regulator with a wide input voltage range and adjustable output voltage.

These alternative models offer similar functionality and can