L5963U-KBX

Product Overview

Category

The L5963U-KBX belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• High precision voltage regulation
• Low dropout voltage
• Wide input voltage range
• Overcurrent and thermal protection
• Adjustable output voltage

Package

The L5963U-KBX comes in a compact and durable package, designed to withstand various environmental conditions.

Essence

The essence of the L5963U-KBX lies in its ability to provide stable and reliable voltage regulation, ensuring optimal performance of electronic devices.

Packaging/Quantity

Each package of L5963U-KBX contains one unit of the voltage regulator.

Specifications

• Input Voltage Range: 4.5V - 28V
• Output Voltage Range: 1.2V - 26V
• Dropout Voltage: 0.6V (typical)
• Maximum Output Current: 3A
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The L5963U-KBX has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for setting the desired output voltage

Functional Features

• Voltage regulation: The L5963U-KBX ensures a stable output voltage regardless of fluctuations in the input voltage.
• Overcurrent protection: It safeguards the circuit by limiting the output current in case of excessive load.
• Thermal protection: The regulator automatically shuts down if the temperature exceeds a certain threshold, preventing damage to the device.
• Adjustable output voltage: The ADJ pin allows users to set the desired output voltage according to their specific requirements.

Advantages and Disadvantages

Advantages

• High precision voltage regulation ensures reliable performance of electronic devices.
• Wide input voltage range allows compatibility with various power sources.
• Overcurrent and thermal protection enhance the safety and longevity of the circuit.
• Adjustable output voltage provides flexibility in different applications.

Disadvantages

• The L5963U-KBX may not be suitable for high-power applications requiring higher output currents.
• It requires careful consideration of heat dissipation due to its compact size.

Working Principles

The L5963U-KBX operates on the principle of a linear voltage regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This ensures that the output voltage remains constant, even when the input voltage fluctuates.

Detailed Application Field Plans

The L5963U-KBX finds applications in various fields, including:

1. Consumer electronics: Used in mobile phones, tablets, and portable audio devices for stable power supply.
2. Automotive industry: Employed in vehicle electronics for regulating voltage in car audio systems, navigation units, and lighting systems.
3. Industrial automation: Integrated into control systems and PLCs to ensure consistent voltage supply for reliable operation.
4. Renewable energy: Utilized in solar power systems to regulate voltage and maximize energy conversion efficiency.

Detailed and Complete Alternative Models

1. L5973D-KBX: Similar to L5963U-KBX but with higher output current capability (up to 5A).
2. LM317T: A widely used adjustable linear voltage regulator with a maximum output current of 1.5A.
3. LT1086: Offers low dropout voltage and high output current capacity (up to 3A).

These alternative models provide similar functionality to the L5963U-KBX and can be considered based on specific requirements.

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