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TL431D from MOTOROLA

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TL431D

Manufacturer: MOTOROLA

Programmable Precision References

Partnumber Manufacturer Quantity Availability
TL431D MOTOROLA 700 In Stock

Description and Introduction

Programmable Precision References The TL431D from Motorola is a programmable shunt regulator with the following specifications, descriptions, and features:  

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (programmable)  
- **Reference Voltage:** 2.495V (typical)  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Output Impedance:** 0.2Ω (typical)  
- **Temperature Stability:** ±4mV (over full temperature range)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TL431D is a three-terminal adjustable precision shunt regulator.  
- It provides a stable reference voltage that can be adjusted using external resistors.  
- Commonly used in power supply regulation, voltage monitoring, and error amplification circuits.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Sink Current Capability** (up to 100mA)  
- **Low Temperature Drift** (±4mV over full operating range)  
- **Wide Operating Voltage Range** (2.5V to 36V)  
- **Available in TO-92, SOIC, and SOT-23 Packages**  

This device is widely used in switching power supplies, battery chargers, and precision voltage references.

Application Scenarios & Design Considerations

Programmable Precision References
Partnumber Manufacturer Quantity Availability
TL431D MOT 7000 In Stock

Description and Introduction

Programmable Precision References The TL431D is a programmable precision voltage reference manufactured by Motorola (MOT).  

### **Specifications:**  
- **Reference Voltage:** 2.495V (typical)  
- **Adjustable Output Voltage Range:** 2.5V to 36V  
- **Operating Cathode Current Range:** 1mA to 100mA  
- **Output Impedance:** 0.2Ω (typical)  
- **Temperature Stability:** ±4mV (over full temperature range)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**  
The TL431D is a three-terminal adjustable shunt regulator with guaranteed thermal stability. It provides precise voltage references for applications such as power supplies, battery chargers, and voltage monitoring circuits.  

### **Features:**  
- Programmable output voltage  
- Low dynamic output impedance  
- Low output noise  
- Fast turn-on response  
- Wide operating current range (1mA to 100mA)  
- Available in surface-mount SOIC-8 package  

This information is based on Motorola's datasheet for the TL431D.

Application Scenarios & Design Considerations

Programmable Precision References

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