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KA431LZTA from FAIRCHILD,Fairchild Semiconductor

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KA431LZTA

Manufacturer: FAIRCHILD

Adjustable/2.5V, 0.5% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
KA431LZTA FAIRCHILD 500 In Stock

Description and Introduction

Adjustable/2.5V, 0.5% Tolerance Shunt Regulator The KA431LZTA is a programmable precision voltage reference manufactured by Fairchild Semiconductor (now part of ON Semiconductor). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Reference Voltage (Vref):** 2.495V (typical)  
- **Adjustable Output Voltage:** 2.5V to 36V  
- **Operating Current (Ika):** 1mA to 100mA  
- **Sink Current Capability:** Up to 100mA  
- **Temperature Stability:** ±0.4% over full temperature range  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** TO-92 (3-pin)  

### **Descriptions:**  
- The KA431LZTA is a three-terminal adjustable shunt regulator.  
- It provides precise reference voltage and is commonly used in power supplies, battery chargers, and voltage monitoring circuits.  
- The device operates as a low-voltage zener diode with improved stability and accuracy.  

### **Features:**  
- **Programmable Output Voltage** via external resistors.  
- **Low Dynamic Output Impedance:** 0.2Ω (typical).  
- **Low Temperature Drift.**  
- **Fast Turn-On Response.**  
- **Wide Operating Current Range (1mA–100mA).**  
- **High Output Current Capability (100mA).**  

For detailed electrical characteristics and application circuits, refer to the official Fairchild/ON Semiconductor datasheet.

Partnumber Manufacturer Quantity Availability
KA431LZTA FSC 300 In Stock

Description and Introduction

Adjustable/2.5V, 0.5% Tolerance Shunt Regulator The KA431LZTA is a precision programmable shunt regulator manufactured by Fairchild Semiconductor (FSC). Below are the factual details about its specifications, descriptions, and features:  

### **Manufacturer:**  
- **FSC (Fairchild Semiconductor)**  

### **Specifications:**  
- **Reference Voltage:** 2.5V (Typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Output Voltage Adjustable:** From Vref (2.5V) to 36V  
- **Reference Voltage Tolerance:** ±1% (A Grade), ±2% (Standard)  
- **Temperature Stability:** 50ppm/°C (Typical)  
- **Package Type:** SOT-23 (3-Pin)  

### **Descriptions:**  
- The KA431LZTA is a three-terminal adjustable shunt regulator with thermal stability.  
- It provides precise voltage regulation for applications such as power supplies, voltage monitoring, and error amplifiers.  
- The device operates as a low-voltage zener diode with improved accuracy and stability.  

### **Features:**  
- **Low Dynamic Output Impedance:** 0.2Ω (Typical)  
- **Low Output Noise**  
- **Wide Operating Current Range (1mA to 100mA)**  
- **Fast Turn-On Response**  
- **Suitable for Switching Power Supplies, Battery Chargers, and Voltage References**  

This information is based on the manufacturer's datasheet and technical documentation.

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