NCP349MNAETBG

Product Overview

Category

NCP349MNAETBG belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Thermal shutdown protection
• Short-circuit current limiting

Package

NCP349MNAETBG is available in a compact surface-mount package.

Essence

The essence of this product lies in its ability to provide stable and regulated voltage output, ensuring the proper functioning of electronic devices.

Packaging/Quantity

NCP349MNAETBG is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 6.5V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 150mA
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The NCP349MNAETBG has the following pin configuration:

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

Functional Features

• High Precision Regulation: The NCP349MNAETBG provides accurate voltage regulation, ensuring stable power supply to connected devices.
• Low Dropout Voltage: With a low dropout voltage, this regulator can operate efficiently even when the input voltage is close to the desired output voltage.
• Wide Input Voltage Range: The device accepts a wide range of input voltages, making it suitable for various applications.
• Thermal Shutdown Protection: The regulator incorporates thermal shutdown protection, preventing damage due to excessive heat.
• Short-Circuit Current Limiting: It features short-circuit current limiting, safeguarding the circuit from potential damage during a short-circuit event.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable power supply.
• Low dropout voltage allows efficient operation.
• Wide input voltage range provides versatility.
• Thermal shutdown protection prevents overheating.
• Short-circuit current limiting protects the circuit.

Disadvantages

• Limited maximum output current (150mA).
• Requires external components for proper operation.

Working Principles

The NCP349MNAETBG operates based on the principle of feedback control. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage, regardless of changes in the input voltage or load conditions. This feedback loop ensures stable and regulated voltage output.

Detailed Application Field Plans

The NCP349MNAETBG is widely used in various electronic applications, including but not limited to: - Mobile devices - Portable audio players - Wearable devices - IoT devices - Battery-powered systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the NCP349MNAETBG include: - LM1117-3.3: A low dropout voltage regulator with a fixed 3.3V output. - LT1763: A high-performance, low dropout linear regulator with adjustable output voltage. - TPS7A4700: An ultra-low noise, high PSRR, low dropout voltage regulator.

These alternative models can be considered based on specific requirements and application needs.

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