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TL431IPKG3 from TI,Texas Instruments

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TL431IPKG3

Manufacturer: TI

Adjustable Precision Shunt Regulator 3-SOT-89 -40 to 85

Partnumber Manufacturer Quantity Availability
TL431IPKG3 TI 371 In Stock

Description and Introduction

Adjustable Precision Shunt Regulator 3-SOT-89 -40 to 85 The TL431IPKG3 is a programmable precision reference manufactured by Texas Instruments (TI).  

**Specifications:**  
- **Reference Voltage:** 2.495V (typical)  
- **Adjustable Output Voltage Range:** 2.5V to 36V  
- **Operating Current Range:** 1mA to 100mA  
- **Output Impedance:** 0.2Ω (typical)  
- **Temperature Stability:** ±4mV (0°C to 70°C)  
- **Package:** TO-92 (3-Pin)  
- **Operating Temperature Range:** 0°C to 70°C  

**Descriptions:**  
The TL431IPKG3 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, voltage monitoring, and precision voltage regulation applications.  

**Features:**  
- Adjustable output voltage with two external resistors  
- Low dynamic output impedance  
- Sink current capability of 1mA to 100mA  
- Equivalent full-range temperature coefficient of 50ppm/°C (typical)  
- Low output noise voltage  
- Wide operating temperature range (0°C to 70°C)

Application Scenarios & Design Considerations

Adjustable Precision Shunt Regulator 3-SOT-89 -40 to 85

Alternative Part Number

  • LM431AIZ --: Adjustable shunt regulator with same function and similar voltage reference tolerance, widely available and pin-compatible in TO-92 package.
  • KA431AZ --: Industry-standard adjustable shunt regulator equivalent to TL431, same 2.5V reference and TO-92 package, good drop-in alternative.
  • AZ431AN-ATRE1 --: Precision adjustable shunt regulator with 2.5V reference and similar tolerance, suitable replacement in most TL431 applications.

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