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KA431SAMF2TF from FAIRCHILD,Fairchild Semiconductor

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31.250ms

KA431SAMF2TF

Manufacturer: FAIRCHILD

Adjustable/2.5V, 2% Tolerance Shunt Regulator

Partnumber Manufacturer Quantity Availability
KA431SAMF2TF FAIRCHILD 3000 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The KA431SAMF2TF is a voltage reference IC manufactured by FAIRCHILD. Below are the factual details from Ic-phoenix technical data files:  

### **Specifications:**  
- **Type:** Adjustable Precision Shunt Regulator  
- **Reference Voltage (Vref):** 2.495V (Typical)  
- **Operating Cathode Current (IKA):** 1mA to 100mA  
- **Output Voltage Range:** 2.5V to 36V  
- **Tolerance:** ±1% (A Grade)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-3  

### **Descriptions:**  
- The KA431SAMF2TF is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in switching power supplies, voltage regulators, and precision references.  
- The device provides a stable reference voltage with low dynamic impedance.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Output Noise**  
- **Wide Operating Current Range** (1mA to 100mA)  
- **Low Temperature Drift**  
- **Equivalent to TL431** in functionality  

This information is based on FAIRCHILD's datasheet for the KA431SAMF2TF.

Partnumber Manufacturer Quantity Availability
KA431SAMF2TF FAIRCHIILD 767 In Stock

Description and Introduction

Adjustable/2.5V, 2% Tolerance Shunt Regulator The KA431SAMF2TF is a programmable precision shunt regulator manufactured by Fairchild Semiconductor (now part of ON Semiconductor).  

### **Specifications:**  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Output Voltage Adjustable:** 2.5V to 36V  
- **Low Dynamic Output Impedance:** 0.2Ω (typical)  
- **Temperature Stability:** ±1% (over full temperature range)  
- **Package:** SOT-23-3 (Surface Mount)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The KA431 is a three-terminal adjustable shunt regulator with thermal stability.  
- It is commonly used in switching power supplies, voltage references, and error amplifiers.  
- The device can replace the TL431 due to similar functionality.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors.  
- **Low Output Noise** for precision applications.  
- **Wide Operating Current Range** (1mA to 100mA).  
- **High Accuracy** (±1% reference voltage tolerance).  
- **Low Temperature Drift** for stable performance.  
- **SOT-23 Package** for space-constrained designs.  

This information is based on Fairchild's datasheet for the KA431 series.

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