LM150K STEEL/NOPB

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

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

Package: TO-263-5 (D2PAK)

Essence: The LM150K STEEL/NOPB is a voltage regulator IC designed to provide a stable and adjustable output voltage for various electronic applications.

Packaging/Quantity: The LM150K STEEL/NOPB is available in a TO-263-5 package, commonly known as D2PAK. It is supplied in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4.2V to 40V
• Output Voltage Range: 1.2V to 37V
• Dropout Voltage: 1.5V (typical)
• Output Current: Up to 3A
• Line Regulation: 0.015%/V (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM150K STEEL/NOPB has five pins arranged as follows:

```

---

| | | OUT | |___________| | | | GND ADJ IN ```

1. IN: Input pin for the supply voltage.
2. ADJ: Adjust pin for setting the desired output voltage.
3. GND: Ground reference pin.
4. OUT: Output pin providing the regulated voltage.

Functional Features

• Adjustable Output Voltage: The LM150K STEEL/NOPB allows the user to adjust the output voltage within a wide range, making it versatile for various applications.
• Low Dropout Voltage: With a low dropout voltage of 1.5V, this voltage regulator can maintain a stable output even when the input voltage is close to the desired output voltage.
• Overcurrent and Thermal Protection: The IC incorporates protection features to prevent damage from excessive current or high temperatures, ensuring reliable operation.
• Wide Input Voltage Range: The LM150K STEEL/NOPB can accept input voltages ranging from 4.2V to 40V, making it suitable for a wide range of power supply sources.

Advantages and Disadvantages

Advantages: - High-performance voltage regulation - Adjustable output voltage - Overcurrent and thermal protection - Wide input voltage range

Disadvantages: - Relatively large package size (TO-263-5)

Working Principles

The LM150K STEEL/NOPB operates as a linear voltage regulator. It uses a pass transistor to regulate the output voltage based on the feedback received from the ADJ pin. By adjusting the resistance connected to the ADJ pin, the output voltage can be set to the desired level. The internal circuitry ensures stable and accurate voltage regulation while providing protection against overcurrent and excessive heat.

Detailed Application Field Plans

The LM150K STEEL/NOPB finds applications in various electronic systems that require a stable and adjustable voltage supply. Some common application fields include:

1. Power Supply Units (PSUs)
2. Battery Charging Systems
3. Automotive Electronics
4. Industrial Control Systems
5. Audio Amplifiers
6. LED Lighting Systems

Detailed and Complete Alternative Models

1. LM317T: A popular alternative with similar specifications and adjustable output voltage capability.
2. LM1117-ADJ: Another alternative with a smaller package size (SOT-223) and adjustable output voltage.
3. LM7805: A fixed-output voltage regulator alternative with a 5V output.

These alternatives offer similar functionality and can be considered based on specific requirements and constraints.

Word count: 491 words