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TL431CDBVT from TI,Texas Instruments

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TL431CDBVT

Manufacturer: TI

Adjustable Precision Shunt Regulator

Partnumber Manufacturer Quantity Availability
TL431CDBVT TI 2821 In Stock

Description and Introduction

Adjustable Precision Shunt Regulator The TL431CDBVT is a precision programmable shunt regulator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Voltage Range:** 2.495V to 36V  
- **Reference Voltage:** 2.495V (typical)  
- **Output Current:** 1mA to 100mA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** SOT-23-5  
- **Tolerance:** 0.5%, 1%, and 2% options available  
- **Cathode Current Range:** 1mA to 100mA  

### **Descriptions:**  
The TL431CDBVT is an adjustable precision shunt regulator with thermal stability. It is commonly used in switching power supplies, voltage references, and error amplifiers. The device operates as a low-temperature-coefficient bandgap reference, ensuring stable performance over a wide temperature range.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Low Dynamic Output Impedance:** 0.2Ω (typical)  
- **Sink Current Capability:** Up to 100mA  
- **Wide Operating Voltage Range** (up to 36V)  
- **Low Output Noise**  
- **Available in Multiple Tolerance Grades** (0.5%, 1%, 2%)  
- **Stable with Capacitive Loads**  

This device is widely used in power management, battery chargers, and voltage monitoring applications.

Application Scenarios & Design Considerations

Adjustable Precision Shunt Regulator

Alternative Part Number

  • LM431BCM3 --: Adjustable shunt regulator in SOT-23 with similar voltage reference tolerance and pinout, widely used as a TL431 substitute.
  • KA431AZ --: Industry-standard adjustable shunt regulator offering comparable reference voltage and current capability, available in TO-92 package.
  • AS431ANTR --: Low-cost adjustable precision shunt regulator with similar electrical characteristics, suitable for SOT-23 replacement designs.
  • LM431AIM3/NOPB --: Adjustable shunt regulator in SOT-23 package with similar voltage reference and tolerance, direct functional replacement.
  • KA431AZBU --: Industry-standard adjustable shunt regulator, widely used as a TL431 equivalent with compatible electrical characteristics.
  • AS431ANTR-G1 --: Low-cost adjustable shunt reference in SOT-23, pin-compatible and suitable for TL431 applications.

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