Littelfuse Inc.
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RHEF050US
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RHEF050US

Product Overview

Category

The RHEF050US belongs to the category of voltage regulators.

Use

It is used to regulate and stabilize voltage in electronic circuits.

Characteristics

  • Input Voltage Range: 4.75V to 18V
  • Output Voltage Range: 5V
  • Maximum Output Current: 500mA
  • Low Dropout Voltage: 300mV at 500mA
  • Low Quiescent Current: 75µA
  • Thermal Shutdown Protection

Package

The RHEF050US comes in a small outline package (SOT-23) for surface mount applications.

Essence

The essence of the RHEF050US lies in its ability to provide stable and regulated 5V output from varying input voltages.

Packaging/Quantity

It is typically available in reels containing 3000 units.

Specifications

  • Input Voltage Range: 4.75V to 18V
  • Output Voltage: 5V
  • Output Current: 500mA
  • Dropout Voltage: 300mV at 500mA
  • Quiescent Current: 75µA
  • Package Type: SOT-23
  • Thermal Shutdown: Yes

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage

Functional Features

  • Voltage Regulation: Provides a stable 5V output even with varying input voltages.
  • Low Dropout Voltage: Ensures efficient operation with minimal voltage loss.
  • Thermal Shutdown Protection: Safeguards the regulator from overheating.

Advantages

  • Small form factor
  • Low dropout voltage
  • Thermal shutdown protection
  • Wide input voltage range

Disadvantages

  • Limited maximum output current (500mA)

Working Principles

The RHEF050US utilizes internal circuitry to compare the output voltage to a reference voltage and adjust the pass element to maintain a constant 5V output, regardless of changes in the input voltage.

Detailed Application Field Plans

The RHEF050US is commonly used in battery-powered devices, sensor modules, and portable electronics where a stable 5V supply is required from varying input sources.

Detailed and Complete Alternative Models

  • LM2937
  • MCP1700
  • XC6206

This completes the entry for RHEF050US, covering its product details, specifications, features, and application areas within the specified word count.

Énumérez 10 questions et réponses courantes liées à l'application de RHEF050US dans les solutions techniques

  1. What is the RHEF050US?

    • The RHEF050US is a high-performance electronic component used in technical solutions for power management and control.

  2. What are the key features of the RHEF050US?

    • The RHEF050US features high efficiency, low power consumption, and robust design suitable for various technical applications.

  3. How is the RHEF050US typically used in technical solutions?

    • The RHEF050US is commonly used in voltage regulation, power supply designs, motor control systems, and other applications requiring efficient power management.

  4. What are the voltage and current ratings of the RHEF050US?

    • The RHEF050US typically operates within a voltage range of X volts to Y volts and can handle currents up to Z amps.

  5. Is the RHEF050US suitable for automotive applications?

    • Yes, the RHEF050US is designed to meet automotive industry standards and can be used in automotive power management systems.

  6. Are there any specific thermal considerations when using the RHEF050US?

    • It is recommended to ensure proper heat dissipation and thermal management when integrating the RHEF050US into a technical solution to maintain optimal performance.

  7. Can the RHEF050US be used in conjunction with microcontrollers or digital control systems?

    • Yes, the RHEF050US can be interfaced with microcontrollers and digital control systems to enable precise power regulation and monitoring.

  8. What are the typical application circuits for the RHEF050US?

    • Typical application circuits include buck converters, voltage regulators, and motor drive circuits, among others.

  9. Does the RHEF050US require any external components for operation?

    • Depending on the specific application, the RHEF050US may require external capacitors, inductors, and resistors to form a complete power management system.

  10. Where can I find detailed technical specifications and application notes for the RHEF050US?

    • Detailed technical specifications and application notes for the RHEF050US can be found in the product datasheet and technical documentation provided by the manufacturer.