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LM431AIZ from NATIONAL,National Semiconductor

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LM431AIZ

Manufacturer: NATIONAL

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
LM431AIZ NATIONAL 2675 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The LM431AIZ is a precision programmable shunt regulator manufactured by **NATIONAL**. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** NATIONAL  
- **Type:** Adjustable Precision Shunt Regulator  
- **Reference Voltage (Vref):** 2.495V (Typical)  
- **Voltage Range (Cathode to Anode):** 2.5V to 36V  
- **Output Current (Cathode):** 1mA to 100mA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-92 (3-Pin)  
- **Accuracy:** ±1% (Typical)  
- **Dynamic Impedance:** 0.2Ω (Typical)  

### **Descriptions:**  
The LM431AIZ is a three-terminal adjustable shunt regulator with thermal stability over the operating temperature range. It is commonly used in voltage regulation, switching power supplies, and precision voltage references.  

### **Features:**  
- **Adjustable Output Voltage** (set with two external resistors)  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Sink Current Capability** (1mA to 100mA)  
- **Low Output Noise**  
- **Wide Operating Voltage Range** (2.5V to 36V)  
- **Temperature-Compensated Operation**  

This device is widely used in power management, voltage monitoring, and precision reference applications.

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