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LM431ACM

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
LM431ACM 373 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The LM431ACM is a precision programmable shunt regulator manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (adjustable)  
- **Reference Voltage (Vref):** 2.495V (typical)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Output Impedance:** 0.2Ω (typical)  
- **Operating Temperature Range:** 0°C to +70°C (commercial grade)  
- **Package:** SOIC-8  

### **Descriptions:**  
The LM431ACM is a three-terminal adjustable precision shunt regulator with thermal stability. It is commonly used in voltage regulation, switching power supplies, and precision voltage references. The device operates by comparing an internal reference voltage with an external voltage divider to maintain a stable output.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Low Temperature Drift** (50ppm/°C typical)  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Fast Turn-On Response**  
- **Equivalent to Industry Standard TL431**  

This information is strictly based on the manufacturer's datasheet.

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