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LM323K
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LM323K

Product Overview

LM323K is a voltage regulator integrated circuit belonging to the category of linear regulators. It is commonly used to provide a stable output voltage for various electronic devices and circuits. The LM323K is known for its high precision, low dropout voltage, and thermal shutdown protection. It is typically available in TO-3 metal can package and is designed to be used in a wide range of applications.

Basic Information Overview

  • Category: Linear Regulator
  • Use: Provides stable output voltage
  • Characteristics: High precision, low dropout voltage, thermal shutdown protection
  • Package: TO-3 metal can
  • Essence: Voltage regulation
  • Packaging/Quantity: Typically sold individually or in small quantities

Specifications

The LM323K has the following specifications: - Input Voltage Range: 10V to 35V - Output Voltage Range: 5V to 32V - Output Current: Up to 3A - Dropout Voltage: 2.5V at 3A - Operating Temperature Range: 0°C to 125°C

Detailed Pin Configuration

The LM323K has a standard pin configuration with three pins: 1. Input (Vin) 2. Ground (GND) 3. Output (Vout)

Functional Features

  • High precision voltage regulation
  • Low dropout voltage
  • Thermal shutdown protection
  • Short-circuit protection

Advantages and Disadvantages

Advantages

  • Stable and precise output voltage
  • Wide input voltage range
  • Thermal shutdown protection ensures safety
  • Suitable for high current applications

Disadvantages

  • Higher dropout voltage compared to some modern regulators
  • Limited output current compared to newer models

Working Principles

The LM323K operates by comparing the output voltage to a reference voltage and adjusting the pass transistor to maintain a stable output. It utilizes feedback control to regulate the output voltage despite changes in input voltage and load conditions.

Detailed Application Field Plans

The LM323K is commonly used in the following applications: - Power supply units for electronic equipment - Battery charging circuits - Voltage regulation in automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

Some alternative models to LM323K include: - LM317: Similar functionality with adjustable output voltage - LM350: Higher output current capability - LM2940: Low dropout voltage regulator for low power applications

In conclusion, the LM323K is a reliable linear regulator with precise voltage regulation and thermal protection features. While it may have some limitations compared to newer models, it remains a popular choice for various electronic applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM323K v technických řešeních

  1. What is the LM323K voltage regulator used for?

    • The LM323K is a 3-amp adjustable voltage regulator designed to provide a regulated output voltage from a higher input voltage source.

  2. What is the input voltage range for the LM323K?

    • The LM323K can handle input voltages up to 35V, making it suitable for a wide range of applications.

  3. How do I adjust the output voltage of the LM323K?

    • The output voltage of the LM323K can be adjusted using an external resistor divider network connected to the adjustment pin.

  4. What are the typical applications of the LM323K?

    • The LM323K is commonly used in power supply circuits, battery chargers, and other applications requiring a stable and adjustable DC voltage.

  5. What is the maximum current the LM323K can handle?

    • The LM323K is capable of delivering up to 3 amps of continuous output current.

  6. Does the LM323K require any external components for operation?

    • Yes, the LM323K typically requires input and output capacitors for stability and filtering.

  7. Can the LM323K handle high temperatures?

    • The LM323K is designed to operate over a wide temperature range and can withstand relatively high temperatures when properly heatsinked.

  8. Is the LM323K suitable for automotive applications?

    • Yes, the LM323K's wide input voltage range and robust design make it suitable for automotive and other harsh environment applications.

  9. What protections does the LM323K offer?

    • The LM323K provides overcurrent and thermal shutdown protection to safeguard against excessive loads and overheating.

  10. Where can I find the datasheet for the LM323K?

    • The datasheet for the LM323K can be found on the manufacturer's website or through various electronic component distributors.