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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:
- Vref: Reference Voltage Output
- Anode: Anode Terminal of the Shunt Diode
- Cathode: Cathode Terminal of the Shunt Diode
- NC: No Connection
- GND: Ground
- NC: No Connection
- NC: No Connection
- 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:
- Power supply circuits
- Voltage regulators
- Battery charging systems
- Instrumentation and measurement equipment
- Audio amplifiers
- Automotive electronics
- 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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Liste 10 perguntas e respostas comuns relacionadas à aplicação de NJM431M em soluções técnicas
Sure! Here are 10 common questions and answers related to the application of NJM431M in technical solutions:
Q: What is NJM431M? A: NJM431M is a voltage reference IC (integrated circuit) commonly used in technical solutions.
Q: What is the purpose of NJM431M? A: The purpose of NJM431M is to provide a stable and accurate voltage reference for various applications.
Q: What is the voltage range of NJM431M? A: NJM431M typically operates within a voltage range of 1.24V to 36V.
Q: How does NJM431M maintain accuracy over temperature variations? A: NJM431M incorporates a temperature compensation circuit that helps maintain accuracy even with temperature changes.
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.
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.
Q: How accurate is NJM431M? A: NJM431M has a typical accuracy of ±0.4% under normal operating conditions.
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.
Q: Does NJM431M require external components for operation? A: Yes, NJM431M typically requires external resistors and capacitors for proper operation and stability.
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.