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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.

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.

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