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LM723CN
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LM723CN

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Regulator
  • Characteristics:
    • Adjustable output voltage
    • Current limiting capability
    • Thermal overload protection
    • Short circuit protection
  • Package: DIP (Dual In-line Package)
  • Essence: Linear voltage regulator
  • Packaging/Quantity: Typically sold in packs of 10

Specifications

  • Input Voltage Range: 14V to 40V
  • Output Voltage Range: 2V to 37V
  • Output Current: Up to 1500mA
  • Reference Voltage: 7.15V
  • Temperature Range: -55°C to +125°C

Detailed Pin Configuration

  1. Vref (Reference Voltage)
  2. Compensation
  3. Feedback
  4. Non-Inverting Input
  5. Inverting Input
  6. Ground
  7. Output
  8. Collector
  9. Base
  10. Emitter

Functional Features

  • Adjustable output voltage through external resistors
  • Current limiting feature protects against overloading
  • Thermal overload protection prevents overheating
  • Short circuit protection safeguards the circuit
  • Wide input voltage range for versatile applications

Advantages

  • High precision and stability in voltage regulation
  • Ability to handle high current loads
  • Flexible output voltage adjustment
  • Reliable thermal and short circuit protection
  • Suitable for a wide range of applications

Disadvantages

  • Requires external components for proper operation
  • Limited maximum output current compared to some alternatives
  • Higher cost compared to basic linear regulators

Working Principles

The LM723CN is a linear voltage regulator that uses a feedback mechanism to maintain a stable output voltage. It compares the reference voltage (Vref) with the feedback voltage from the output, adjusting the control element to regulate the output voltage. The internal circuitry ensures that the output voltage remains within the specified range, even with varying input voltage and load conditions.

Detailed Application Field Plans

The LM723CN is commonly used in various applications that require a stable and adjustable voltage supply. Some typical application fields include: - Power supply units for electronic devices - Battery charging circuits - Voltage regulators for audio amplifiers - Industrial control systems - Laboratory equipment

Detailed and Complete Alternative Models

  1. LM317: Similar to LM723CN but with lower output current capability
  2. LM350: Adjustable voltage regulator with higher output current capacity
  3. LT1083: High current linear regulator with low dropout voltage
  4. LM7805: Fixed 5V voltage regulator for low power applications

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi LM723CN dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of LM723CN in technical solutions:

  1. Q: What is LM723CN? A: LM723CN is a voltage regulator IC that can be used to regulate and control the output voltage of a power supply.

  2. Q: What is the maximum input voltage for LM723CN? A: The maximum input voltage for LM723CN is typically around 40 volts.

  3. Q: How much current can LM723CN handle? A: LM723CN can handle a maximum output current of up to 150 mA.

  4. Q: Can LM723CN be used as a constant current source? A: Yes, LM723CN can be configured as a constant current source by using an external transistor.

  5. Q: How do I set the output voltage using LM723CN? A: The output voltage can be set using two external resistors connected to the adjustment pin of LM723CN.

  6. Q: Can LM723CN be used in both positive and negative voltage applications? A: Yes, LM723CN can be used in both positive and negative voltage applications by adjusting the feedback network accordingly.

  7. Q: Is LM723CN suitable for high-frequency applications? A: No, LM723CN is not suitable for high-frequency applications as it has limited bandwidth.

  8. Q: Can LM723CN be used in battery charging circuits? A: Yes, LM723CN can be used in battery charging circuits by controlling the charging voltage and current.

  9. Q: Does LM723CN have built-in overcurrent protection? A: No, LM723CN does not have built-in overcurrent protection. External circuitry is required for overcurrent protection.

  10. Q: Can LM723CN be used in audio amplifier circuits? A: Yes, LM723CN can be used in audio amplifier circuits as a voltage regulator for providing stable power supply to the amplifier circuit.

Please note that these answers are general and may vary depending on specific circuit configurations and requirements.