LM120H-5.0/NOPB

Product Overview

Category

The LM120H-5.0/NOPB belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 7V to 35V
• Output Voltage: 5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.2V (typical)
• Operating Temperature Range: -40°C to +125°C
• Package Type: TO-220
• Essence: Linear voltage regulator

Packaging/Quantity

The LM120H-5.0/NOPB is typically packaged in a TO-220 package. It is available in various quantities depending on the supplier or manufacturer.

Specifications

• Input Voltage Range: 7V to 35V
• Output Voltage: 5V
• Maximum Output Current: 1.5A
• Dropout Voltage: 1.2V (typical)
• Line Regulation: 0.02% (typical)
• Load Regulation: 0.04% (typical)
• Quiescent Current: 10mA (typical)
• Ripple Rejection Ratio: 70dB (typical)
• Thermal Shutdown Protection: Yes

Detailed Pin Configuration

The LM120H-5.0/NOPB has three pins:

1. Vin (Pin 1): Input voltage pin.
2. Vout (Pin 2): Output voltage pin.
3. GND (Pin 3): Ground pin.

Functional Features

• High precision voltage regulation.
• Low dropout voltage.
• Excellent line and load regulation.
• Thermal shutdown protection.
• Wide input voltage range.
• Suitable for various applications requiring a stable 5V output.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures stable output.
• Low dropout voltage minimizes power dissipation.
• Excellent line and load regulation for reliable performance.
• Thermal shutdown protection prevents overheating.
• Wide input voltage range allows flexibility in different applications.

Disadvantages

• Limited maximum output current of 1.5A may not be sufficient for high-power applications.
• TO-220 package may require additional heat sinking for better thermal management.

Working Principles

The LM120H-5.0/NOPB is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage from the output, adjusting the pass transistor to maintain a stable 5V output. The dropout voltage is minimized to reduce power dissipation and improve efficiency.

Detailed Application Field Plans

The LM120H-5.0/NOPB can be used in various applications, including but not limited to:

1. Power supply circuits for microcontrollers and digital ICs.
2. Battery-powered devices requiring a stable 5V output.
3. Automotive electronics.
4. Industrial control systems.
5. Audio amplifiers and preamplifiers.
6. LED lighting applications.
7. Portable electronic devices.

Detailed and Complete Alternative Models

Some alternative models to the LM120H-5.0/NOPB include:

1. LM317T: Adjustable voltage regulator with similar characteristics.
2. LM7805: Fixed 5V voltage regulator with higher maximum output current.
3. LT1085CT: Adjustable voltage regulator with higher maximum output current and lower dropout voltage.

These alternative models offer different specifications and features, allowing users to choose the most suitable option for their specific requirements.

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