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TL431-C from HTC

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TL431-C

Manufacturer: HTC

Adjustable precision shunt regulators

Partnumber Manufacturer Quantity Availability
TL431-C,TL431C HTC 420 In Stock

Description and Introduction

Adjustable precision shunt regulators The TL431-C is a precision programmable shunt regulator manufactured by HTC (HTC Korea). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (programmable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Temperature Stability:** ±4mV (typical) over full temperature range  
- **Output Impedance:** 0.2Ω (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TO-92, SOT-23, SOT-89  

### **Descriptions:**  
- The TL431-C is a three-terminal adjustable shunt regulator with thermal stability.  
- It provides precise voltage regulation for applications such as power supplies, voltage monitoring, and error amplifiers.  
- The device can be used as a replacement for Zener diodes in many applications, offering better performance.  

### **Features:**  
- **Adjustable Output Voltage:** Set with two external resistors.  
- **Low Dynamic Output Impedance:** Ensures stable regulation.  
- **Low Output Noise:** Suitable for precision applications.  
- **Wide Operating Current Range:** 1mA to 100mA.  
- **High Accuracy:** Reference voltage tolerance of ±1% (B grade) and ±2% (A grade).  
- **Long-Term Stability:** Maintains performance over time.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Adjustable precision shunt regulators

Alternative Part Number

  • KA431AZ --: Industry-standard adjustable shunt regulator equivalent to TL431 with similar voltage reference tolerance and pinout, widely available and cost-effective.
  • LM431ACZ --: Direct functional equivalent adjustable precision shunt regulator with 2.5V reference, TO-92 package, and well-documented reliability.
  • AZ431AN-B --: Adjustable shunt regulator with comparable reference voltage and tolerance, suitable drop-in replacement for TL431 in most applications.

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