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LM431AIM3X from NS,National Semiconductor

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LM431AIM3X

Manufacturer: NS

Adjustable Precision Zener Shunt Regulator

Partnumber Manufacturer Quantity Availability
LM431AIM3X NS 168000 In Stock

Description and Introduction

Adjustable Precision Zener Shunt Regulator The LM431AIM3X is a precision programmable shunt regulator manufactured by Texas Instruments (formerly National Semiconductor, NS).  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Current (I_KA):** 1mA to 100mA  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Package:** SOT-23-3  
- **Operating Temperature Range:** -40°C to +85°C  
- **Accuracy:** ±0.5% (A-grade)  

### **Descriptions:**  
The LM431AIM3X is a three-terminal adjustable shunt regulator with thermal stability over the operating temperature range. 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 typical)  
- Fast turn-on response  
- Low output noise  
- Wide operating current range (1mA to 100mA)  
- Available in A-grade (higher accuracy) and standard versions  

This device is widely used in precision voltage regulation applications due to its stability and programmability.

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