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TL431BQDCKRG4 from TI,Texas Instruments

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TL431BQDCKRG4

Manufacturer: TI

ADJUSTABLE PRECISION SHUNT REGULATORS

Partnumber Manufacturer Quantity Availability
TL431BQDCKRG4 TI 1427 In Stock

Description and Introduction

ADJUSTABLE PRECISION SHUNT REGULATORS The TL431BQDCKRG4 is a precision programmable shunt regulator manufactured by Texas Instruments (TI).  

### **Key Specifications:**  
- **Output Voltage Range:** 2.495V to 36V  
- **Reference Voltage Tolerance:** ±1% (B-grade)  
- **Operating Current (Cathode):** 1mA to 100mA  
- **Temperature Range:** -40°C to +125°C  
- **Package:** SC-70 (SOT-563), 6-Pin  
- **Sink Current Capability:** Up to 100mA  

### **Descriptions:**  
The TL431BQDCKRG4 is an adjustable precision shunt regulator with a stable reference voltage. It is commonly used in voltage regulation, switching power supplies, and error amplifiers.  

### **Features:**  
- **Adjustable Output Voltage** via external resistors  
- **Low Dynamic Output Impedance:** 0.2Ω (typical)  
- **Low Output Noise**  
- **Fast Turn-On Response**  
- **Wide Operating Temperature Range**  

This device is RoHS-compliant and lead-free.  

(Source: Texas Instruments Datasheet)

Application Scenarios & Design Considerations

ADJUSTABLE PRECISION SHUNT REGULATORS

Alternative Part Number

  • LM431BIM3X --: Adjustable shunt regulator with similar 2.5V reference and tolerance grade, available in SOT-23, suitable for voltage reference and regulation applications.
  • KA431AZBU --: Industry-standard adjustable shunt regulator equivalent to TL431 family, widely available and cost-effective for general regulation circuits.
  • AS431ANTR-G1 --: Precision adjustable shunt regulator with 2.5V reference, drop-in functional replacement in SOT-23 package for many TL431 applications.

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