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LM431SCCM32X
Product Overview
Category: Integrated Circuits (ICs)
Use: Voltage References
Characteristics: - Adjustable Precision Shunt Regulator - Programmable Output Voltage - Low Dynamic Output Impedance - High Accuracy and Stability - Wide Operating Current Range - Low Temperature Drift - Fast Turn-On Response
Package: SOT-23 (3-Pin)
Essence: The LM431SCCM32X is a precision shunt regulator that can be used to provide a stable reference voltage. It is commonly used in various electronic circuits where a precise voltage reference is required.
Packaging/Quantity: The LM431SCCM32X is available in a SOT-23 package, which contains 3 pins. It is typically sold in reels or tubes, with a quantity of 3000 units per reel.
Specifications
- Reference Voltage Range: 2.495V to 36V
- Operating Current Range: 1μA to 100mA
- Temperature Coefficient: ±50ppm/°C
- Line Regulation: 0.2%/V
- Load Regulation: 0.4%/mA
- Maximum Cathode Current: 150mA
Pin Configuration
The LM431SCCM32X has the following pin configuration:
```
| | --| Anode |-- --| |-- --| Cathode |-- |_______| ```
Functional Features
- Adjustable Output Voltage: The LM431SCCM32X allows for precise adjustment of the output voltage by using external resistors.
- Precision Shunt Regulation: It provides a stable reference voltage with high accuracy and low temperature drift.
- Low Dynamic Output Impedance: The device maintains a low dynamic output impedance over a wide range of operating currents.
- Fast Turn-On Response: The LM431SCCM32X has a fast turn-on response time, making it suitable for applications requiring quick voltage stabilization.
Advantages and Disadvantages
Advantages: - High accuracy and stability - Wide operating current range - Programmable output voltage - Low temperature drift - Fast turn-on response
Disadvantages: - Limited maximum cathode current (150mA) - Requires external resistors for voltage adjustment
Working Principles
The LM431SCCM32X operates as a shunt regulator by comparing the reference voltage at its internal voltage divider with an external voltage applied to the cathode pin. It adjusts the current flowing through the device to maintain a constant voltage drop across the shunt resistor, thereby regulating the output voltage.
Detailed Application Field Plans
The LM431SCCM32X can be used in various applications, including: 1. Voltage references in precision measurement equipment 2. Voltage regulators in power supplies 3. Current limiters in LED drivers 4. Overvoltage protection circuits 5. Battery charging circuits
Detailed and Complete Alternative Models
Some alternative models to the LM431SCCM32X include: - TL431 - LM4040 - LT1009 - REF02
These models offer similar functionality and can be used as substitutes depending on specific requirements and availability.
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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací LM431SCCM32X v technických řešeních
Sure! Here are 10 common questions and answers related to the application of LM431SCCM32X in technical solutions:
Q: What is LM431SCCM32X? A: LM431SCCM32X is a precision programmable shunt regulator that can be used in various technical applications.
Q: What is the voltage range of LM431SCCM32X? A: The voltage range of LM431SCCM32X is typically from 2.5V to 36V.
Q: How does LM431SCCM32X work? A: LM431SCCM32X works by comparing the reference voltage with an external voltage divider network, regulating the output voltage accordingly.
Q: What are the typical applications of LM431SCCM32X? A: LM431SCCM32X is commonly used in power supplies, battery chargers, LED drivers, and other voltage regulation circuits.
Q: Can LM431SCCM32X handle high currents? A: Yes, LM431SCCM32X can handle currents up to 100mA, making it suitable for many low to medium power applications.
Q: Is LM431SCCM32X temperature-compensated? A: Yes, LM431SCCM32X has built-in temperature compensation to ensure stable performance over a wide temperature range.
Q: How accurate is the voltage reference of LM431SCCM32X? A: The voltage reference accuracy of LM431SCCM32X is typically within ±2%.
Q: Can LM431SCCM32X be used as an adjustable voltage reference? A: Yes, LM431SCCM32X can be programmed to provide a precise and adjustable voltage reference.
Q: Does LM431SCCM32X have built-in protection features? A: Yes, LM431SCCM32X has built-in overcurrent and thermal shutdown protection to prevent damage under fault conditions.
Q: What is the package type of LM431SCCM32X? A: LM431SCCM32X is available in a small SOT-23 package, which is suitable for space-constrained applications.
I hope this helps! Let me know if you have any more questions.