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LM431ACZ
Product Overview
Category: Integrated Circuit
Use: Voltage Reference
Characteristics: Adjustable, Precision
Package: TO-92, SOT-23
Essence: Provides a stable reference voltage
Packaging/Quantity: Tape & Reel, 2500 units
Specifications
- Reference Voltage: 2.495V to 36V
- Operating Current: 1mA to 100mA
- Temperature Range: -40°C to 125°C
- Line Regulation: 0.2%
- Load Regulation: 0.4%
Detailed Pin Configuration
The LM431ACZ has three pins: 1. Anode (A): Connects to the reference voltage 2. Cathode (K): Output of the reference voltage 3. Adjust (ADJ): Adjusts the reference voltage
Functional Features
- Adjustable output voltage
- High precision
- Low operating current
- Wide temperature range operation
Advantages and Disadvantages
Advantages: - Precise voltage reference - Adjustable output - Wide operating temperature range
Disadvantages: - Sensitive to noise - Limited current sourcing capability
Working Principles
The LM431ACZ operates as a shunt regulator, maintaining a stable voltage across the cathode and anode terminals. The adjust pin allows for fine-tuning the reference voltage.
Detailed Application Field Plans
- Voltage Regulation: Used in power supplies for precise voltage regulation.
- Battery Management: Ensures accurate voltage monitoring in battery management systems.
- Control Systems: Provides stable voltage references in control systems.
Detailed and Complete Alternative Models
- TL431: Similar adjustable precision shunt regulator.
- ADR431: High-precision alternative with lower temperature coefficient.
LM431ACZ is a versatile integrated circuit that provides a stable and adjustable reference voltage. Its wide range of applications and precise characteristics make it a popular choice in various electronic systems.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM431ACZ trong giải pháp kỹ thuật
Sure, here are 10 common questions and answers related to the application of LM431ACZ:
What is LM431ACZ?
- LM431ACZ is a programmable shunt voltage reference that can be used in various applications such as voltage regulation, precision current regulation, and error amplifiers.
What is the operating voltage range of LM431ACZ?
- The operating voltage range of LM431ACZ is typically from 2.5V to 36V.
How does LM431ACZ work as a voltage reference?
- LM431ACZ compares the input voltage with an internal reference voltage and adjusts its output to maintain a constant voltage.
Can LM431ACZ be used for overvoltage protection?
- Yes, LM431ACZ can be used for overvoltage protection by triggering a shutdown or protection mechanism when the voltage exceeds a certain threshold.
What are the typical applications of LM431ACZ?
- LM431ACZ is commonly used in switch-mode power supplies, battery chargers, LED drivers, and precision voltage regulators.
How does LM431ACZ provide precision current regulation?
- LM431ACZ can be used in conjunction with a series resistor to regulate the current flowing through a load with high precision.
What is the temperature range for LM431ACZ?
- The operating temperature range for LM431ACZ is typically from 0°C to 70°C.
Can LM431ACZ be used in automotive applications?
- Yes, LM431ACZ can be used in automotive applications where precise voltage regulation and monitoring are required.
What are the key features of LM431ACZ?
- Some key features of LM431ACZ include low dynamic impedance, wide operating voltage range, and adjustable output voltage.
How can LM431ACZ be configured for specific applications?
- LM431ACZ can be configured using external resistors to set the desired output voltage or current levels based on the application requirements.
I hope these questions and answers help clarify the application of LM431ACZ in technical solutions! Let me know if you need further assistance.