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LM431ACM3 from NS,National Semiconductor

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LM431ACM3

Manufacturer: NS

Adjustable Precision Zener Shunt Regulator

Partnumber Manufacturer Quantity Availability
LM431ACM3 NS 28000 In Stock

Description and Introduction

Adjustable Precision Zener Shunt Regulator The LM431ACM3 is a precision programmable shunt regulator manufactured by ON Semiconductor (NS).  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (adjustable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Output Impedance:** 0.2Ω (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23 (3-Lead)  

### **Descriptions:**  
The LM431ACM3 is a three-terminal adjustable shunt regulator with thermal stability and low output impedance. It is commonly used in voltage regulation, switching power supplies, and precision voltage references.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Sink Current Capability:** Up to 100mA  
- **Low Output Noise**  
- **Fast Turn-On Response**  
- **Wide Operating Temperature Range** (-40°C to +85°C)  
- **Available in SOT-23 Package** for space-constrained applications  

This device is widely used in power management circuits, battery chargers, and voltage monitoring systems.

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