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KA431ZTA from FAIRCHILD,Fairchild Semiconductor

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15.625ms

KA431ZTA

Manufacturer: FAIRCHILD

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
KA431ZTA FAIRCHILD 250000 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The KA431ZTA is a precision programmable shunt regulator manufactured by Fairchild Semiconductor (now part of ON Semiconductor).  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V  
- **Reference Voltage:** 2.5V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Low Dynamic Output Impedance:** 0.22Ω (typical)  
- **Temperature Stability:** ±50ppm/°C (typical)  
- **Package Type:** SOT-23 (3-pin)  

### **Descriptions:**  
- The KA431ZTA is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in power supply circuits, voltage monitoring, and error amplifiers.  
- The device provides precise voltage regulation with minimal external components.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Output Noise**  
- **Fast Turn-On Response**  
- **Wide Operating Temperature Range:** -40°C to +85°C  
- **High Accuracy Reference Voltage** (2.5V ±1%)  

This device is a direct competitor to the TL431 and is widely used in switching power supplies, battery chargers, and other precision regulation applications.

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