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TL431BILP from TI,Texas Instruments

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TL431BILP

Manufacturer: TI, 0N

Voltage Reference

Partnumber Manufacturer Quantity Availability
TL431BILP TI, 0N 39700 In Stock

Description and Introduction

Voltage Reference The TL431BILP is a programmable precision voltage reference manufactured by Texas Instruments (TI).  

### **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 (0°C to 70°C)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package Type:** TO-92 (3-pin)  

### **Descriptions:**  
The TL431BILP is a three-terminal adjustable shunt regulator with thermal stability and low output noise. It is commonly used in voltage regulation, switching power supplies, and precision voltage references.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance** (0.2Ω typical)  
- **Sink Current Capability** (up to 100mA)  
- **Wide Operating Temperature Range** (-40°C to +125°C)  
- **Low Output Noise**  
- **Stable with Capacitive Loads**  

This device is widely used in power management, battery chargers, and feedback control circuits.

Application Scenarios & Design Considerations

Voltage Reference

Alternative Part Number

  • LM431BIZ --: Pin-compatible adjustable shunt regulator in TO-92 with similar 1% reference tolerance and 2.5V to 36V range, direct functional drop-in.
  • KA431AZ --: Industry-standard adjustable shunt regulator in TO-92, same 2.5V reference and cathode current range, widely used as a TL431 replacement.
  • AS431ANTR-G1 --: Adjustable precision shunt regulator with 2.5V reference and 1% tolerance, available in TO-92, suitable alternative with different series naming.

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