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TL1431CZ from ST,ST Microelectronics

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TL1431CZ

Manufacturer: ST

PROGRAMMABLE VOLTAGE REFERENCE

Partnumber Manufacturer Quantity Availability
TL1431CZ ST 45 In Stock

Description and Introduction

PROGRAMMABLE VOLTAGE REFERENCE The TL1431CZ is a precision programmable voltage reference manufactured by STMicroelectronics.  

### **Specifications:**  
- **Reference Voltage:** 2.5V (adjustable)  
- **Voltage Range:** 2.5V to 36V  
- **Output Current:** 1mA to 100mA  
- **Tolerance:** ±0.4% (A grade), ±1% (standard)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** TO-92, SO-8  

### **Descriptions:**  
The TL1431CZ is a three-terminal adjustable shunt regulator with thermal stability and low output noise. It is commonly used in power supplies, battery chargers, and precision voltage regulation applications.  

### **Features:**  
- Adjustable output voltage  
- Low dynamic output impedance (0.22Ω typical)  
- Sink current capability up to 100mA  
- Low temperature drift  
- Wide operating voltage range  
- Available in different tolerance grades for precision applications  

This device is designed for applications requiring stable and accurate voltage references.

Application Scenarios & Design Considerations

PROGRAMMABLE VOLTAGE REFERENCE

Alternative Part Number

  • LM431ACZ --: Industry-standard adjustable shunt regulator with the same TO-92 package and 2.5V reference, widely available and pin-compatible with the TL1431.
  • KA431AZ --: Adjustable precision shunt regulator in TO-92 with equivalent 2.5V reference and electrical characteristics, a common drop-in replacement.
  • AS431ANZ --: Low-cost adjustable shunt regulator in TO-92 offering similar reference voltage and tolerance, suitable as a functional substitute.

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