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NJM431M
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NJM431M

Product Overview

  • Category: Integrated Circuit
  • Use: Voltage Reference
  • Characteristics: High Precision, Low Dropout, Adjustable Output
  • Package: SOP-8
  • Essence: Precision Shunt Regulator
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Input Voltage Range: -0.3V to 20V
  • Output Voltage Range: 1.24V to 16V
  • Output Current: 100mA (max)
  • Temperature Range: -40°C to +125°C
  • Reference Voltage Accuracy: ±0.5%
  • Line Regulation: ±0.2% (typical)
  • Load Regulation: ±0.4% (typical)

Detailed Pin Configuration

The NJM431M has a standard SOP-8 package with the following pin configuration:

  1. Vref: Reference Voltage Output
  2. Anode: Anode Terminal of the Shunt Diode
  3. Cathode: Cathode Terminal of the Shunt Diode
  4. NC: No Connection
  5. GND: Ground
  6. NC: No Connection
  7. NC: No Connection
  8. Vin: Input Voltage

Functional Features

  • High precision voltage reference
  • Low dropout voltage
  • Adjustable output voltage
  • Excellent line and load regulation
  • Low temperature coefficient
  • Short circuit protection
  • Thermal shutdown protection

Advantages and Disadvantages

Advantages: - High precision and accuracy - Wide input voltage range - Adjustable output voltage - Good line and load regulation - Built-in protection features

Disadvantages: - Limited output current capacity - Requires external components for stability

Working Principles

The NJM431M is a precision shunt regulator that provides a stable reference voltage output. It operates by comparing the input voltage with a precision internal reference voltage. The device adjusts its internal resistance to maintain a constant voltage drop across the shunt diode, resulting in a stable output voltage.

Detailed Application Field Plans

The NJM431M is widely used in various applications that require a precise and stable voltage reference. Some common application fields include:

  1. Power supply circuits
  2. Voltage regulators
  3. Battery charging systems
  4. Instrumentation and measurement equipment
  5. Audio amplifiers
  6. Automotive electronics
  7. Industrial control systems

Detailed and Complete Alternative Models

  • LM431: Adjustable Precision Shunt Regulator
  • TL431: Programmable Precision Reference
  • LT1236: Precision Reference with Low Dropout Voltage
  • MAX6126: Ultra-High Precision Voltage Reference
  • REF5025: Low Noise, High Precision Voltage Reference

These alternative models offer similar functionality and can be considered as alternatives to the NJM431M depending on specific requirements and design constraints.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av NJM431M i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of NJM431M in technical solutions:

  1. Q: What is NJM431M? A: NJM431M is a voltage reference IC (integrated circuit) commonly used in technical solutions.

  2. Q: What is the purpose of NJM431M? A: The purpose of NJM431M is to provide a stable and accurate voltage reference for various applications.

  3. Q: What is the voltage range of NJM431M? A: NJM431M typically operates within a voltage range of 1.24V to 36V.

  4. Q: How does NJM431M maintain accuracy over temperature variations? A: NJM431M incorporates a temperature compensation circuit that helps maintain accuracy even with temperature changes.

  5. Q: Can NJM431M be used as a voltage regulator? A: No, NJM431M is not designed to be used as a voltage regulator. It is primarily used as a voltage reference.

  6. Q: What are some typical applications of NJM431M? A: NJM431M is commonly used in precision measurement equipment, power supplies, analog-to-digital converters, and other electronic circuits requiring stable voltage references.

  7. Q: How accurate is NJM431M? A: NJM431M has a typical accuracy of ±0.4% under normal operating conditions.

  8. Q: Can NJM431M operate in harsh environments? A: NJM431M has a wide operating temperature range and can withstand moderate environmental conditions, but it may not be suitable for extremely harsh environments.

  9. Q: Does NJM431M require external components for operation? A: Yes, NJM431M typically requires external resistors and capacitors for proper operation and stability.

  10. Q: Is NJM431M available in different package options? A: Yes, NJM431M is available in various package options, such as SOP-8, DIP-8, and TO-92, to suit different application requirements.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application guidelines.