ON Semiconductor
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LM431CCZXA
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LM431CCZXA

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Reference
  • Characteristics:
    • Adjustable output voltage
    • High accuracy
    • Low temperature coefficient
    • Low dynamic impedance
  • Package: TO-92, SOT-23, SOIC-8
  • Essence: Precision adjustable shunt regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Output Voltage Range: 2.5V to 36V
  • Initial Accuracy: ±0.5%
  • Temperature Coefficient: 50 ppm/°C
  • Dynamic Impedance: 0.2Ω
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 2.5V to 36V
  • Quiescent Current: 1mA

Detailed Pin Configuration

The LM431CCZXA has three pins: 1. Anode (A): Connected to the reference voltage or the voltage to be regulated. 2. Cathode (K): Connected to the ground or the negative terminal of the load. 3. Adjust (ADJ): Connected to an external resistor divider network to set the desired output voltage.

Functional Features

  • Precision voltage reference
  • Adjustable output voltage
  • Low quiescent current
  • Wide operating temperature range
  • High accuracy and stability
  • Fast response time

Advantages

  • Provides a stable and accurate voltage reference for various applications
  • Adjustable output voltage allows flexibility in design
  • Low temperature coefficient ensures reliable performance over a wide temperature range
  • Low dynamic impedance enables efficient regulation of voltage

Disadvantages

  • Requires an external resistor divider network for voltage adjustment
  • Limited output current capability
  • Higher cost compared to basic voltage regulators

Working Principles

The LM431CCZXA is a precision adjustable shunt regulator. It operates by comparing the reference voltage at the Adjust pin with an internal voltage reference. The output voltage is adjusted by connecting an external resistor divider network between the Anode and Adjust pins. The LM431CCZXA regulates the voltage across the load by shunting excess current to the Cathode pin.

Detailed Application Field Plans

The LM431CCZXA finds applications in various fields, including: 1. Power supply regulation: Provides stable voltage references for linear and switching power supplies. 2. Battery charging systems: Ensures accurate voltage regulation during battery charging processes. 3. Industrial control systems: Used as a voltage reference in control circuits for precise measurements and control operations. 4. Automotive electronics: Provides voltage references for automotive sensors, actuators, and control modules. 5. Audio amplifiers: Used as a voltage reference in audio amplifier circuits for improved performance and accuracy.

Detailed and Complete Alternative Models

Some alternative models to LM431CCZXA are: - TL431A - LM4040 - LT1009 - REF02

(Note: This list is not exhaustive and there are other alternative models available in the market.)

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LM431CCZXA dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LM431CCZXA in technical solutions:

  1. Question: What is LM431CCZXA?
    Answer: LM431CCZXA is a precision programmable shunt regulator that can be used in various technical applications.

  2. Question: What is the purpose of LM431CCZXA?
    Answer: LM431CCZXA is designed to provide accurate voltage references and regulation in electronic circuits.

  3. Question: How does LM431CCZXA work?
    Answer: LM431CCZXA compares the input voltage with an internal reference voltage and adjusts its output accordingly to maintain a stable voltage level.

  4. Question: What are the key features of LM431CCZXA?
    Answer: Some key features of LM431CCZXA include low voltage operation, high accuracy, low quiescent current, and wide temperature range.

  5. Question: In which applications can LM431CCZXA be used?
    Answer: LM431CCZXA can be used in applications such as power supplies, battery chargers, voltage regulators, and control systems.

  6. Question: What is the voltage range of LM431CCZXA?
    Answer: LM431CCZXA operates within a voltage range of 2.5V to 36V.

  7. Question: Can LM431CCZXA handle high currents?
    Answer: No, LM431CCZXA is not designed to handle high currents. It is typically used for low to moderate current applications.

  8. Question: How can I program the output voltage of LM431CCZXA?
    Answer: The output voltage of LM431CCZXA can be programmed by connecting external resistors to set the desired voltage level.

  9. Question: Is LM431CCZXA suitable for automotive applications?
    Answer: Yes, LM431CCZXA is suitable for automotive applications as it can operate within a wide temperature range and has low quiescent current.

  10. Question: Are there any precautions to consider when using LM431CCZXA?
    Answer: Yes, some precautions include ensuring proper heat dissipation, avoiding excessive voltage or current, and following the manufacturer's guidelines for circuit design and layout.

Please note that these answers are general and may vary depending on specific technical requirements and application scenarios.