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LT1431 from LT

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LT1431

Manufacturer: LT

Programmable Reference

Partnumber Manufacturer Quantity Availability
LT1431 LT 2500 In Stock

Description and Introduction

Programmable Reference The LT1431 is a precision programmable shunt voltage reference manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Reference Voltage:** Adjustable from 2.5V to 36V  
- **Initial Accuracy:** ±0.4% (A-grade), ±1% (standard)  
- **Temperature Coefficient:** 30ppm/°C (A-grade), 50ppm/°C (standard)  
- **Operating Current Range:** 1mA to 100mA  
- **Sink Current Capability:** Up to 100mA  
- **Line Regulation:** 0.2mV/V (typical)  
- **Load Regulation:** 0.3Ω (typical dynamic impedance)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The LT1431 is a three-terminal adjustable shunt regulator with thermal stability and high accuracy.  
- It is commonly used in power supplies, voltage monitoring, and precision regulation applications.  
- The device operates similarly to a Zener diode but with better performance and programmability.  

### **Features:**  
- **Precision Reference:** Low drift and high accuracy over temperature.  
- **Wide Operating Range:** Adjustable from 2.5V to 36V.  
- **Low Dynamic Impedance:** Ensures stable regulation.  
- **High Output Current:** Capable of sinking up to 100mA.  
- **Available in Multiple Grades:** A-grade for tighter tolerances.  
- **Packages:** Available in TO-92, SOT-23, and SOIC packages.  

This information is based solely on the manufacturer's datasheet for the LT1431.

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