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TL431CLP from ON,ON Semiconductor

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TL431CLP

Manufacturer: ON

Programmable Shunt Regulator

Partnumber Manufacturer Quantity Availability
TL431CLP ON 290 In Stock

Description and Introduction

Programmable Shunt Regulator The TL431CLP is a precision programmable shunt regulator manufactured by ON Semiconductor.  

### **Specifications:**  
- **Output Voltage Range:** 2.495V to 36V (adjustable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Output Impedance:** 0.2Ω (typical)  
- **Temperature Stability:** ±4mV (0°C to 70°C)  
- **Package:** TO-92 (3-pin)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TL431CLP is a three-terminal adjustable precision shunt regulator.  
- It provides stable voltage references with high accuracy.  
- Commonly used in switching power supplies, voltage monitoring, and error amplifiers.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance**  
- **Low Output Noise**  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Sink Current Capability** up to 100mA  
- **Low Temperature Drift**  

This device is widely used in power supply feedback circuits and precision voltage regulation applications.

Application Scenarios & Design Considerations

Programmable Shunt Regulator

Alternative Part Number

  • LM431ACZ --: Pin-compatible adjustable shunt regulator in TO-92 with similar voltage reference tolerance and current capability, widely available and a direct functional substitute.
  • KA431AZ --: Industry-standard adjustable shunt regulator equivalent to TL431 in TO-92 package, same reference voltage and cathode current range, from the same manufacturer family.
  • AZ431AZ --: Adjustable precision shunt regulator with TO-92 package and comparable 2.5V reference, suitable drop-in replacement for general TL431 applications.

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