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TLV431BFTA from ZETEX/DIODES

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TLV431BFTA

Manufacturer: ZETEX/DIODES, ZETEX

1.24V Cost effective shunt regulator

Partnumber Manufacturer Quantity Availability
TLV431BFTA ZETEX/DIODES, ZETEX 180172 In Stock

Description and Introduction

1.24V Cost effective shunt regulator The TLV431BFTA is a low-voltage adjustable precision shunt regulator manufactured by ZETEX/DIODES. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Reference Voltage (Vref):** 1.24V (typical)  
- **Adjustable Output Voltage Range:** 1.24V to 6V  
- **Operating Cathode Current (IK):** 80µA (minimum) to 100mA (maximum)  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Temperature Range:** -40°C to +125°C  
- **Package Type:** SOT-23-3  

### **Descriptions:**
- The TLV431BFTA is a three-terminal adjustable shunt regulator with a low-voltage operation.  
- It provides a stable reference voltage with high accuracy and low dynamic impedance.  
- Designed for applications requiring precision voltage regulation at lower voltages than standard shunt regulators.  

### **Features:**
- **Low Voltage Operation:** Suitable for circuits requiring regulation below 6V.  
- **High Accuracy:** Tight reference voltage tolerance (±1%).  
- **Low Operating Current:** As low as 80µA, making it suitable for battery-powered applications.  
- **Wide Temperature Range:** Operates reliably from -40°C to +125°C.  
- **Adjustable Output:** External resistors allow setting the desired output voltage.  
- **Small Package:** SOT-23-3 footprint for space-constrained designs.  

This device is commonly used in power management, voltage monitoring, and precision reference applications.

Application Scenarios & Design Considerations

1.24V Cost effective shunt regulator

Alternative Part Number

  • LMV431AIM5 --: Low-voltage adjustable shunt regulator with 1.24V reference, functionally equivalent to TLV431 and widely available.
  • AZ431AN-B --: Adjustable shunt regulator from the same manufacturer family, suitable replacement with similar reference voltage and tolerance.
  • TL431ACLPR --: Industry-standard adjustable shunt regulator with comparable performance; slightly higher reference voltage but commonly used as a substitute in many designs.
  • AZ431AN-ATRE1 --: Adjustable shunt regulator with similar 1.24V reference and SOT-23 package, offering comparable accuracy and good second-source availability.
  • TS431AILT --: Low-voltage adjustable shunt reference in SOT-23 with 1.24V reference, suitable as a functional replacement where TLV431 accuracy and pinout are required.
  • TS431AIX --: Low-voltage adjustable shunt reference in SOT-23 with similar electrical characteristics, suitable as a drop-in substitute for many TLV431 applications.

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