Microsemi Corporation
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LX8117B-33CST
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LX8117B-33CST

Product Overview

Category

The LX8117B-33CST belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable output voltage regardless of input fluctuations.

Characteristics

  • Low dropout voltage
  • High accuracy
  • Thermal shutdown protection
  • Current limit protection

Package

The LX8117B-33CST comes in a small surface-mount package.

Essence

The essence of the LX8117B-33CST lies in its ability to provide reliable voltage regulation in various electronic applications.

Packaging/Quantity

It is typically available in reels containing a specific quantity, such as 2500 units per reel.

Specifications

  • Output Voltage: 3.3V
  • Maximum Input Voltage: 20V
  • Dropout Voltage: 300mV at 1A
  • Quiescent Current: 1mA
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

The LX8117B-33CST has a standard three-pin configuration: 1. Vin (Input) 2. Vout (Output) 3. GND (Ground)

Functional Features

  • Low dropout voltage for efficient regulation
  • Thermal shutdown protection for overtemperature conditions
  • Current limit protection for overload situations
  • High accuracy for precise voltage regulation

Advantages and Disadvantages

Advantages

  • Stable output voltage
  • Wide operating temperature range
  • Small form factor
  • Overcurrent protection

Disadvantages

  • Limited maximum input voltage
  • Higher dropout voltage compared to some alternatives

Working Principles

The LX8117B-33CST uses a reference voltage and feedback loop to maintain a constant output voltage, adjusting the internal pass transistor to compensate for changes in input voltage and load conditions.

Detailed Application Field Plans

The LX8117B-33CST is suitable for a wide range of applications, including: - Battery-powered devices - Portable electronics - Automotive systems - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the LX8117B-33CST include: - LM1117 - LT1086 - ADP3338

In conclusion, the LX8117B-33CST is a versatile voltage regulator with a range of features that make it suitable for various electronic applications. Its stable output voltage, thermal protection, and compact package make it an attractive choice for designers seeking reliable voltage regulation in their circuits.

Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LX8117B-33CST v technických řešeních

  1. What is the input voltage range for LX8117B-33CST?

    • The input voltage range for LX8117B-33CST is 2.5V to 20V.

  2. What is the output voltage of LX8117B-33CST?

    • The output voltage of LX8117B-33CST is fixed at 3.3V.

  3. What is the maximum output current of LX8117B-33CST?

    • The maximum output current of LX8117B-33CST is 1A.

  4. Does LX8117B-33CST require an external capacitor for stability?

    • Yes, LX8117B-33CST requires an output capacitor for stability.

  5. Is LX8117B-33CST suitable for low-dropout applications?

    • Yes, LX8117B-33CST is designed for low-dropout applications.

  6. Can LX8117B-33CST operate in a wide temperature range?

    • Yes, LX8117B-33CST can operate in a wide temperature range from -40°C to 125°C.

  7. What is the typical dropout voltage of LX8117B-33CST?

    • The typical dropout voltage of LX8117B-33CST is 300mV at 1A load.

  8. Does LX8117B-33CST have built-in overcurrent protection?

    • Yes, LX8117B-33CST features built-in overcurrent protection.

  9. Is LX8117B-33CST suitable for battery-powered applications?

    • Yes, LX8117B-33CST is suitable for battery-powered applications due to its low quiescent current.

  10. What are the typical applications for LX8117B-33CST?

    • Typical applications for LX8117B-33CST include post-regulation for switching power supplies, battery-powered systems, and portable devices.