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LM431AC from PHILIPS

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LM431AC

Manufacturer: PHILIPS

Adjustable precision shunt regulators

Partnumber Manufacturer Quantity Availability
LM431AC PHILIPS 15751 In Stock

Description and Introduction

Adjustable precision shunt regulators The LM431AC is a precision programmable voltage reference manufactured by PHILIPS. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (adjustable)  
- **Reference Voltage (Vref):** 2.495V (typical)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** ±0.4% (typical) over full temperature range  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** TO-92, SOIC  

### **Descriptions:**  
- The LM431AC is a three-terminal adjustable shunt regulator.  
- It provides a stable reference voltage with high accuracy.  
- Commonly used in power supplies, voltage monitoring, and precision regulation applications.  

### **Features:**  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dynamic Output Impedance:** 0.2Ω (typical).  
- **Wide Operating Current Range:** 1mA to 100mA.  
- **Fast Turn-On Response:** Suitable for switching applications.  
- **Low Temperature Drift:** Ensures stability over temperature variations.  

This information is based solely on the manufacturer's datasheet for the LM431AC by PHILIPS.

Application Scenarios & Design Considerations

Adjustable precision shunt regulators
Partnumber Manufacturer Quantity Availability
LM431AC NS 894 In Stock

Description and Introduction

Adjustable precision shunt regulators The LM431AC is a precision programmable shunt voltage reference manufactured by National Semiconductor (NS). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage (Vref):** 2.495V to 36V (adjustable via external resistors)  
- **Reference Voltage (Typical):** 2.5V  
- **Tolerance:** ±0.5% (A grade)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** TO-92, SOT-23  

### **Descriptions:**  
- The LM431AC is a three-terminal adjustable shunt regulator with thermal stability.  
- It can replace fixed voltage references like Zener diodes with improved accuracy.  
- Used in power supplies, voltage monitoring, and precision regulation applications.  

### **Features:**  
- **Adjustable Output Voltage** via two external resistors.  
- **Low Dynamic Output Impedance:** 0.2Ω (typical).  
- **Fast Turn-On Response.**  
- **Low Output Noise.**  
- **Wide Operating Current Range (1mA to 100mA).**  
- **Available in Industrial Standard Packages (TO-92, SOT-23).**  

This information is sourced from the manufacturer's datasheet. Let me know if you need further details.

Application Scenarios & Design Considerations

Adjustable precision shunt regulators

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