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KA431L from FAIRCHIL,Fairchild Semiconductor

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KA431L

Manufacturer: FAIRCHIL

Programmable Shunt Regulator

Partnumber Manufacturer Quantity Availability
KA431L FAIRCHIL 2500 In Stock

Description and Introduction

Programmable Shunt Regulator The KA431L is a precision programmable shunt regulator manufactured by **FAIRCHILD**. Below are its specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (programmable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Sink Current Capability:** Up to 100mA  
- **Temperature Stability:** ±0.4% over full temperature range  
- **Package Type:** TO-92, SOT-23, SOT-89  

### **Descriptions:**  
- The KA431L is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in switching power supplies, voltage references, and error amplifiers.  
- The device provides precise voltage regulation by comparing an external voltage divider output with an internal reference.  

### **Features:**  
- **Low Output Noise**  
- **Wide Operating Current Range (1mA to 100mA)**  
- **Low Dynamic Output Impedance (0.2Ω typical)**  
- **Adjustable Output Voltage with Two External Resistors**  
- **Equivalent to TL431 but optimized for specific applications**  

This information is sourced from the manufacturer's datasheet and technical documentation.

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