LELHPK1111-33934-1-V Product Overview

Product Category

The LELHPK1111-33934-1-V belongs to the category of electronic components, specifically a voltage regulator module.

Basic Information Overview

• Use: The LELHPK1111-33934-1-V is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.
• Characteristics: It features high efficiency, low dropout voltage, and thermal shutdown protection.
• Package: The module comes in a compact and durable package suitable for surface mount applications.
• Essence: Its essence lies in providing reliable voltage regulation for various electronic devices and systems.
• Packaging/Quantity: Typically packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

• Input Voltage Range: 4.5V to 28V
• Output Voltage Range: 0.8V to 5.5V
• Maximum Output Current: 1A
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-223

Detailed Pin Configuration

The LELHPK1111-33934-1-V has a standard SOT-223 pin configuration with input, output, and ground pins, as well as additional pins for enable and feedback.

Functional Features

• Voltage Regulation: Maintains a stable output voltage under varying input conditions.
• Thermal Shutdown Protection: Safeguards the module from overheating, enhancing its reliability.
• Low Dropout Voltage: Ensures efficient operation even when the input voltage is close to the output voltage.

Advantages and Disadvantages

Advantages

• Compact size
• High efficiency
• Wide input voltage range

Disadvantages

• Limited maximum output current
• Sensitive to improper heat dissipation

Working Principles

The module utilizes a feedback control loop to compare the output voltage with a reference voltage, adjusting the internal circuitry to maintain a constant output voltage.

Detailed Application Field Plans

• Consumer Electronics: Used in mobile devices, portable audio players, and digital cameras.
• Automotive Electronics: Integrated into vehicle infotainment systems and power management units.
• Industrial Control Systems: Employed in factory automation equipment and instrumentation devices.

Detailed and Complete Alternative Models

• LM317: A widely used adjustable voltage regulator with similar characteristics.
• LM7805: Fixed 5V voltage regulator suitable for many applications.

This comprehensive overview provides insights into the LELHPK1111-33934-1-V voltage regulator module, covering its specifications, features, applications, and alternatives.

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