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LM431ACZXA from Fairchild,Fairchild Semiconductor

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LM431ACZXA

Manufacturer: Fairchild

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
LM431ACZXA Fairchild 6000 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The LM431ACZXA is a precision programmable shunt regulator manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (programmable)  
- **Reference Voltage (Vref):** 2.495V (typical)  
- **Operating Cathode Current (IK):** 1mA to 100mA  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Temperature Stability:** 50ppm/°C (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOT-23 (3-pin)  

### **Descriptions:**  
- The LM431ACZXA is a 3-terminal adjustable shunt regulator with thermal stability over the full operating temperature range.  
- It is commonly used in switching power supplies, voltage references, and error amplifiers.  
- The output voltage can be set with two external resistors.  

### **Features:**  
- **Adjustable Output Voltage** (2.5V to 36V)  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Sink Current Capability** (1mA to 100mA)  
- **Equivalent Full-Range Tempco** (50ppm/°C)  
- **Low Output Noise**  
- **Fast Turn-On Response**  

This information is based on Fairchild's official datasheet for the LM431ACZXA.

Partnumber Manufacturer Quantity Availability
LM431ACZXA FAI 100000 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The LM431ACZXA is a precision programmable shunt regulator manufactured by Fairchild Semiconductor (FAI).  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V  
- **Reference Voltage:** 2.495V (Typical)  
- **Operating Current Range:** 1mA to 100mA  
- **Temperature Stability:** ±0.4% (Typical)  
- **Output Impedance:** 0.2Ω (Typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** SOT-23-3  

### **Descriptions:**  
The LM431ACZXA is a three-terminal adjustable shunt regulator with thermal stability. It provides precise voltage regulation and can be used in various applications such as power supplies, voltage monitoring, and switching regulators.  

### **Features:**  
- Adjustable output voltage  
- Low dynamic output impedance  
- Fast turn-on response  
- Low temperature coefficient  
- Wide operating current range  

This information is based on Fairchild Semiconductor's datasheet for the LM431ACZXA.

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