LM98519VHB/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: LM98519VHB/NOPB is a high-performance voltage regulator IC designed for various applications in electronic devices.

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent and thermal protection

Package: The LM98519VHB/NOPB is available in a compact surface mount package.

Essence: This IC is essential for providing stable and regulated voltage to power electronic components in a wide range of devices.

Packaging/Quantity: The LM98519VHB/NOPB is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 0.8V - 15V
• Dropout Voltage: 200mV (typical)
• Output Current: Up to 1A
• Quiescent Current: 50µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The LM98519VHB/NOPB has the following pin configuration:

```

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| | --| Vout | --| Vin | --| GND | --| EN | |___________| ```

Functional Features

1. High Efficiency: The LM98519VHB/NOPB offers high efficiency, minimizing power loss during voltage regulation.
2. Low Dropout Voltage: With a low dropout voltage, this IC can maintain a stable output even when the input voltage is close to the desired output voltage.
3. Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various applications.
4. Adjustable Output Voltage: The output voltage can be easily adjusted using external resistors, providing flexibility in different scenarios.
5. Overcurrent and Thermal Protection: The LM98519VHB/NOPB incorporates protection mechanisms to prevent damage from overcurrent or excessive temperature.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile applications. - Adjustable output voltage provides flexibility. - Overcurrent and thermal protection ensure device safety.

Disadvantages: - Limited output current capacity (up to 1A). - Dropout voltage may affect performance in low input voltage scenarios.

Working Principles

The LM98519VHB/NOPB operates as a linear voltage regulator. It regulates the output voltage by comparing it with an internal reference voltage. Any difference between the desired output voltage and the actual output voltage is amplified and used to adjust the pass transistor, maintaining a stable output voltage.

Detailed Application Field Plans

The LM98519VHB/NOPB finds applications in various electronic devices, including but not limited to: - Mobile phones - Tablets - Portable media players - Wireless communication devices - Battery-powered devices

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator IC with similar characteristics.
2. LT1083: A high-current linear voltage regulator IC suitable for demanding applications.
3. LM1117: A low dropout voltage regulator IC commonly used in battery-powered devices.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

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