NCV4269AD250R2G

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics:
  • High efficiency
  • Low dropout voltage
  • Wide input voltage range
  • Overcurrent protection
  • Thermal shutdown protection
• Package: DPAK (TO-252)
• Essence: Linear voltage regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 40V
• Output Voltage Range: 1.25V to 37V
• Output Current: Up to 1.5A
• Dropout Voltage: 0.6V typical at 1A load
• Line Regulation: ±0.2% typical
• Load Regulation: ±0.4% typical
• Quiescent Current: 50µA typical
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The NCV4269AD250R2G has the following pin configuration:

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

Functional Features

• Voltage regulation: The NCV4269AD250R2G provides a stable output voltage regardless of variations in the input voltage or load conditions.
• Overcurrent protection: The IC incorporates overcurrent protection to prevent damage to the device and connected components in case of excessive current flow.
• Thermal shutdown protection: In case of high operating temperatures, the IC automatically shuts down to prevent overheating and potential damage.

Advantages and Disadvantages

Advantages: - High efficiency: The NCV4269AD250R2G offers high efficiency, minimizing power losses during voltage regulation. - Low dropout voltage: The low dropout voltage ensures efficient operation even with low input-output voltage differentials. - Wide input voltage range: The IC can handle a wide range of input voltages, making it suitable for various applications. - Overcurrent and thermal protection: The built-in protection features safeguard the device and connected components from damage.

Disadvantages: - Limited output current: The maximum output current of 1.5A may not be sufficient for high-power applications. - Single output voltage: The IC provides a fixed output voltage, limiting its flexibility in certain applications.

Working Principles

The NCV4269AD250R2G is a linear voltage regulator that uses a series pass transistor to regulate the output voltage. It compares the output voltage with a reference voltage and adjusts the pass transistor's resistance to maintain a stable output voltage. The internal circuitry monitors the input voltage, load conditions, and temperature to ensure proper regulation and protect against overcurrent and overheating.

Detailed Application Field Plans

The NCV4269AD250R2G is commonly used in various electronic devices and systems, including:

1. Automotive applications: The IC is suitable for automotive electronics, such as infotainment systems, lighting controls, and engine management systems.
2. Industrial equipment: It can be used in industrial automation, power supplies, motor control, and instrumentation.
3. Consumer electronics: The voltage regulator finds applications in televisions, audio systems, gaming consoles, and other consumer electronic devices.
4. Communication systems: It is utilized in telecommunications equipment, routers, switches, and network infrastructure.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with similar characteristics and package options.
2. LT1084: A high-current linear voltage regulator with adjustable output voltage and low dropout voltage.
3. TPS7A47: An ultra-low-noise linear voltage regulator suitable for sensitive audio and measurement applications.

These alternative models offer similar functionality and can be considered as substitutes for the NCV4269AD250R2G in various applications.

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