STMicroelectronics
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L4995AJ
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L4995AJ

Product Overview

Category

The L4995AJ belongs to the category of voltage regulators.

Use

It is used to regulate voltage in electronic circuits, ensuring a stable and constant output voltage.

Characteristics

  • High precision voltage regulation
  • Low dropout voltage
  • Overcurrent and thermal protection

Package

The L4995AJ comes in a small outline package (SO) with 8 pins.

Essence

The essence of the L4995AJ lies in its ability to provide reliable voltage regulation for various electronic applications.

Packaging/Quantity

The L4995AJ is typically packaged in reels and is available in quantities suitable for production runs.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Output Voltage Range: 1.2V to 20V
  • Maximum Output Current: 1.5A
  • Dropout Voltage: 0.6V at 1A
  • Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

  1. VIN (Input Voltage)
  2. GND (Ground)
  3. VOUT (Output Voltage)
  4. NC (No Connection)
  5. NC (No Connection)
  6. ADJ (Adjustment)
  7. NC (No Connection)
  8. EN (Enable)

Functional Features

  • Precision voltage regulation
  • Overcurrent protection
  • Thermal shutdown
  • Enable pin for power management

Advantages and Disadvantages

Advantages

  • Wide input voltage range
  • Low dropout voltage
  • Built-in protection features

Disadvantages

  • Limited maximum output current
  • Requires external components for specific applications

Working Principles

The L4995AJ operates by comparing the output voltage to a reference voltage and adjusting the internal circuitry to maintain a constant output voltage despite changes in the input voltage or load conditions. It utilizes feedback control to achieve precise voltage regulation.

Detailed Application Field Plans

The L4995AJ is well-suited for use in: - Battery-powered devices - Portable electronics - Automotive applications - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to the L4995AJ include: - LM317 - LT1086 - LM2940

In conclusion, the L4995AJ is a versatile voltage regulator with a wide input voltage range, making it suitable for various electronic applications that require stable and reliable voltage regulation.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací L4995AJ v technických řešeních

Sure, here are 10 common questions and answers related to the application of L4995AJ in technical solutions:

  1. What is the L4995AJ?

    • The L4995AJ is a high-voltage, high-current power supply controller designed for use in various technical solutions.

  2. What are the key features of the L4995AJ?

    • The L4995AJ features include a wide input voltage range, high efficiency, integrated protection features, and adjustable output voltage.

  3. What are the typical applications of the L4995AJ?

    • Typical applications of the L4995AJ include industrial automation, motor control, power supplies, and LED lighting.

  4. What is the maximum input voltage supported by the L4995AJ?

    • The L4995AJ supports a maximum input voltage of [insert value] volts.

  5. How does the L4995AJ achieve high efficiency?

    • The L4995AJ achieves high efficiency through its low dropout voltage and optimized control algorithms.

  6. What protection features are integrated into the L4995AJ?

    • The L4995AJ integrates overcurrent protection, thermal shutdown, and input undervoltage lockout for enhanced system reliability.

  7. Can the output voltage of the L4995AJ be adjusted?

    • Yes, the output voltage of the L4995AJ can be adjusted using external components to meet specific application requirements.

  8. What are the recommended operating conditions for the L4995AJ?

    • The recommended operating conditions include a specified input voltage range, temperature range, and load conditions.

  9. Does the L4995AJ require any external components for operation?

    • Yes, the L4995AJ requires external components such as capacitors, resistors, and inductors for proper operation.

  10. Where can I find detailed application notes and design resources for the L4995AJ?

    • Detailed application notes and design resources for the L4995AJ can be found on the manufacturer's website or in the product datasheet.

I hope these questions and answers provide a good overview of the L4995AJ and its application in technical solutions. Let me know if you need further information!