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TL431N3

Adjustable Precision Shunt Regulators

Partnumber Manufacturer Quantity Availability
TL431N3 3000 In Stock

Description and Introduction

Adjustable Precision Shunt Regulators The TL431N3 is a programmable precision voltage reference manufactured by several companies, including Texas Instruments, ON Semiconductor, and STMicroelectronics.  

### **Specifications:**  
- **Type:** Adjustable Precision Shunt Regulator  
- **Reference Voltage:** 2.495V (typical)  
- **Voltage Range:** 2.5V to 36V  
- **Output Current:** 1mA to 100mA  
- **Operating Temperature Range:** -40°C to +85°C (Commercial) / -40°C to +125°C (Industrial)  
- **Tolerance:** ±0.5%, ±1%, or ±2% (depending on variant)  
- **Package:** TO-92, SOT-23, or SOIC  

### **Descriptions:**  
- The TL431N3 is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in power supply feedback circuits, voltage monitoring, and precision voltage regulation.  
- The device can be programmed via two external resistors to set the output voltage.  

### **Features:**  
- Adjustable output voltage with a single external resistor divider  
- Low dynamic output impedance (0.2Ω typical)  
- Low temperature drift  
- Fast turn-on response  
- Wide operating current range (1mA to 100mA)  
- Available in multiple package options for different applications  

This information is based on standard manufacturer datasheets. For exact specifications, refer to the specific manufacturer's documentation.

Application Scenarios & Design Considerations

Adjustable Precision Shunt Regulators

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