LMR14203XMKE/NOPB

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: SOT-23-5

Essence: LMR14203XMKE/NOPB is a voltage regulator IC designed to provide a stable and adjustable output voltage with low dropout. It is commonly used in various electronic devices to regulate the voltage supplied to sensitive components.

Packaging/Quantity: The LMR14203XMKE/NOPB is available in a SOT-23-5 package, which contains one IC per package.

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to VIN
• Dropout Voltage: 200mV (typical)
• Maximum Output Current: 3A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LMR14203XMKE/NOPB has the following pin configuration:

```

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

• EN: Enable pin (Active high)
• FB: Feedback pin
• GND: Ground pin
• VIN: Input voltage pin
• VOUT: Output voltage pin

Functional Features

1. Low Dropout Voltage: The LMR14203XMKE/NOPB exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
2. High Output Current Capability: With a maximum output current of 3A, this voltage regulator can handle high power demands.
3. Adjustable Output Voltage: The output voltage can be adjusted within the specified range to meet the requirements of different applications.
4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents damage due to excessive temperature.
5. Overcurrent Protection: The LMR14203XMKE/NOPB includes overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for demanding applications - Adjustable output voltage provides flexibility - Thermal shutdown and overcurrent protection enhance reliability

Disadvantages: - Limited input voltage range (2.7V to 5.5V) - SOT-23-5 package may require additional space compared to smaller packages

Working Principles

The LMR14203XMKE/NOPB operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. By adjusting the resistance connected to the FB pin, the output voltage can be set to the desired level. The internal circuitry ensures stable regulation even when the input voltage varies or the load changes.

Detailed Application Field Plans

The LMR14203XMKE/NOPB is suitable for various applications, including but not limited to: 1. Battery-powered devices 2. Portable electronic devices 3. IoT (Internet of Things) devices 4. Automotive electronics 5. Industrial control systems

Detailed and Complete Alternative Models

1. LMR14206XMKE/NOPB
2. LMR14202XMKE/NOPB
3. LMR14201XMKE/NOPB
4. LMR14205XMKE/NOPB
5. LMR14204XMKE/NOPB

These alternative models offer similar functionality and characteristics, providing options for different design requirements.

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