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ZTL431AFTA from ZETEX

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ZTL431AFTA

Manufacturer: ZETEX, DIODES

Cost effective adjustable precision shunt regulator

Partnumber Manufacturer Quantity Availability
ZTL431AFTA ZETEX, DIODES 1925 In Stock

Description and Introduction

Cost effective adjustable precision shunt regulator The ZTL431AFTA is a precision programmable shunt regulator manufactured by DIODES. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Reference Voltage:** 2.495V (Typical)  
- **Output Voltage Range:** 2.5V to 36V  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Reference Input Current:** 2μA (Typical)  
- **Output Impedance:** 0.2Ω (Typical)  
- **Temperature Stability:** ±0.5% (Over Full Temperature Range)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The ZTL431AFTA is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in switching power supplies, voltage references, and error amplifiers.  
- The device provides precise voltage regulation with low dynamic impedance.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors.  
- **Low Output Noise** for stable performance.  
- **Wide Operating Current Range** (1mA to 100mA).  
- **SOT-23 Package** for space-constrained applications.  
- **Low Temperature Coefficient** for stable operation across temperature variations.  

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

Application Scenarios & Design Considerations

Cost effective adjustable precision shunt regulator

Alternative Part Number

  • TL431AIDBZR --: Industry-standard adjustable shunt regulator in SOT-23, same function and pinout as ZTL431AFTA with wide availability.
  • LM431AIM3 --: Pin-compatible adjustable precision shunt regulator in SOT-23, direct functional replacement for the ZTL431.
  • KA431AZTA --: Adjustable shunt regulator in TO-92/SOT-23 family with similar voltage reference specs, suitable drop-in alternative.
  • LM431AIM3X --: Adjustable precision shunt regulator in SOT-23 with similar voltage reference and tolerance, suitable drop-in replacement.
  • KA431AZBU --: Adjustable shunt regulator in TO-92 with comparable reference voltage and current capability, useful when a through-hole option is acceptable.

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