NCP3418BMNR2G

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

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

Essence: The NCP3418BMNR2G is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The NCP3418BMNR2G is typically sold in reels containing 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to VIN
• Output Current: Up to 1A
• Dropout Voltage: 200mV at 1A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The NCP3418BMNR2G has the following pin configuration:

```

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| | --| EN | --| FB | --| GND | --| VOUT | --| COMP | --| VIN | --| PG | |___________| ```

Functional Features

1. Enable (EN) Pin: Controls the operation of the voltage regulator. When high, the regulator is enabled; when low, it enters a low-power shutdown mode.
2. Feedback (FB) Pin: Connects to an external resistor divider network to set the desired output voltage.
3. Ground (GND) Pin: Connected to the ground reference of the system.
4. Output Voltage (VOUT) Pin: Provides the regulated output voltage.
5. Compensation (COMP) Pin: Connects to an external capacitor for stability and compensation purposes.
6. Input Voltage (VIN) Pin: Receives the input voltage to be regulated.
7. Power Good (PG) Pin: Provides a signal indicating that the output voltage is within the specified range.

Advantages

• High efficiency ensures minimal power loss.
• Low dropout voltage allows operation with low input voltages.
• Adjustable output voltage provides flexibility for different applications.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents damage due to overheating.

Disadvantages

• Limited output current of up to 1A may not be sufficient for high-power applications.
• Operating temperature range of -40°C to +85°C may not be suitable for extreme environments.

Working Principles

The NCP3418BMNR2G operates as a linear voltage regulator. It uses a feedback mechanism to compare the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The regulator continuously monitors the load conditions and adjusts its internal components to provide the desired output voltage.

Application Field Plans

The NCP3418BMNR2G is commonly used in various electronic devices, including: - Mobile phones - Tablets - Portable media players - Digital cameras - Wireless communication devices

Alternative Models

1. LM1117-ADJ: Adjustable Voltage Regulator, TO-220 package
2. LT1763-3.3: Fixed 3.3V Voltage Regulator, SOT-223 package
3. TPS79633: Fixed 3.3V Voltage Regulator, DSBGA package
4. MAX8887EZK33: Fixed 3.3V Voltage Regulator, SOT23-5 package

These alternative models offer similar functionality and can be considered as substitutes for the NCP3418BMNR2G in various applications.

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