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TL1431 from TI,Texas Instruments

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TL1431

Manufacturer: TI

PROGRAMMABLE VOLTAGE REFERENCE

Partnumber Manufacturer Quantity Availability
TL1431 TI 2000 In Stock

Description and Introduction

PROGRAMMABLE VOLTAGE REFERENCE The TL1431 is a precision programmable voltage reference manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Output Voltage Range:** 2.5V to 36V (adjustable)  
- **Reference Voltage:** 2.495V (typical)  
- **Initial Accuracy:** ±0.4% (A grade), ±1% (standard grade)  
- **Temperature Drift:** 6 ppm/°C (A grade), 25 ppm/°C (standard grade)  
- **Operating Current Range:** 1mA to 100mA  
- **Sink Current Capability:** Up to 100mA  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Options:** TO-92, SOT-23, SOIC-8  

### **Descriptions:**  
The TL1431 is a three-terminal adjustable shunt regulator that provides stable voltage references for various applications. It can be programmed to output a specific voltage using external resistors. It is commonly used in power supplies, battery chargers, and voltage monitoring circuits.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Output Noise** for precision applications  
- **Wide Operating Range** (2.5V to 36V)  
- **High Output Current Capability** (up to 100mA)  
- **Low Dynamic Impedance** (0.22Ω typical)  
- **Available in Multiple Grades** for different accuracy needs  
- **Stable Over Temperature and Load Variations**  

This information is sourced from Texas Instruments' official documentation.

Partnumber Manufacturer Quantity Availability
TL1431 ST 60 In Stock

Description and Introduction

PROGRAMMABLE VOLTAGE REFERENCE The TL1431 is a programmable precision reference manufactured by STMicroelectronics. Below are the factual details about its specifications, descriptions, and features:

### **Manufacturer:**  
STMicroelectronics  

### **Specifications:**  
- **Reference Voltage Range:** 2.5V to 36V (programmable)  
- **Output Voltage Tolerance:** ±0.4% (A grade), ±1% (standard grade)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Sink Current Capability:** 1mA to 100mA  
- **Low Dynamic Output Impedance:** 0.22Ω (typical)  
- **Low Output Noise:** 60µV (typical)  
- **Package Options:** TO-92, SOT23-3, SO-8  

### **Descriptions:**  
The TL1431 is a three-terminal adjustable shunt regulator with guaranteed thermal stability over the full operating temperature range. It is commonly used in switching power supplies, battery chargers, and voltage monitoring applications due to its precision and programmability.  

### **Features:**  
- Adjustable output voltage with two external resistors  
- Low output noise  
- Wide operating current range (1mA to 100mA)  
- High stability over temperature and current variations  
- Available in different grades for varying precision requirements  

For exact electrical characteristics and application details, refer to the official STMicroelectronics datasheet.

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