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TL431CPSLE from TI,Texas Instruments

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TL431CPSLE

Manufacturer: TI

Adjustable Precision Shunt Regulator

Partnumber Manufacturer Quantity Availability
TL431CPSLE TI 1464 In Stock

Description and Introduction

Adjustable Precision Shunt Regulator The TL431CPSLE is a programmable precision shunt regulator manufactured by Texas Instruments (TI).  

**Specifications:**  
- **Output Voltage Range:** 2.495V to 36V  
- **Reference Voltage:** 2.495V (Typical)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** ±4mV (0°C to 70°C)  
- **Output Impedance:** 0.2Ω (Typical)  
- **Package:** SOT-23-3 (LE)  
- **Operating Temperature Range:** -40°C to +125°C  

**Descriptions:**  
The TL431CPSLE is a three-terminal adjustable shunt regulator with thermal stability and low output noise. It is commonly used in switching power supplies, voltage references, and error amplifiers.  

**Features:**  
- Adjustable output voltage with two external resistors  
- Low dynamic output impedance (0.2Ω)  
- Low output noise  
- Sink current capability up to 100mA  
- Wide operating temperature range  
- Available in a small SOT-23-3 package  

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

Application Scenarios & Design Considerations

Adjustable Precision Shunt Regulator

Alternative Part Number

  • LM431ACZ --: Adjustable shunt regulator with similar 2.5V reference and TO-92 package, widely used as a direct functional substitute for TL431 in many designs.
  • KA431AZ --: Industry-standard adjustable shunt regulator equivalent to TL431, TO-92 package, same reference voltage and current capability.
  • AS431ANTR-G1 --: Low-cost adjustable shunt regulator with 2.5V reference, compatible electrical characteristics and TO-92 package for TL431 replacement.

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