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TL431K from UTC

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TL431K

Manufacturer: UTC

Adjustable Shunt Regulator

Partnumber Manufacturer Quantity Availability
TL431K UTC 12000 In Stock

Description and Introduction

Adjustable Shunt Regulator The TL431K is a programmable shunt regulator manufactured by UTC (Unisonic Technologies). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (adjustable)  
- **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  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-92, SOT-23, SOT-89  

### **Descriptions:**  
- The TL431K is a three-terminal adjustable precision shunt regulator.  
- It provides a stable reference voltage with low dynamic impedance.  
- Commonly used in switching power supplies, voltage monitoring, and error amplifiers.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Output Noise** for precision applications  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Low Temperature Coefficient** for stable performance  
- **Equivalent to Industry Standard TL431**  

This information is based on UTC's official datasheet for the TL431K.

Application Scenarios & Design Considerations

Adjustable Shunt Regulator

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