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TLVH431ACDBZT from TI,Texas Instruments

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TLVH431ACDBZT

Manufacturer: TI

Low-Voltage Adjustable Precision Shunt Regulator

Partnumber Manufacturer Quantity Availability
TLVH431ACDBZT TI 3000 In Stock

Description and Introduction

Low-Voltage Adjustable Precision Shunt Regulator The TLVH431ACDBZT is a low-voltage adjustable precision shunt regulator manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Output Voltage Range:** 1.24V to 6V  
- **Reference Voltage:** 1.24V (typical)  
- **Operating Cathode Current (IK):** 80µA to 100mA  
- **Line Regulation:** 0.2% (typical)  
- **Load Regulation:** 0.4% (typical)  
- **Temperature Stability:** 4mV (typical) over full temperature range  
- **Package:** SOT-23-3 (DBZ)  
- **Operating Temperature Range:** -40°C to +125°C  

### **Descriptions:**  
- The TLVH431ACDBZT is a three-terminal adjustable shunt regulator with thermal stability and low dynamic impedance.  
- It is designed for low-voltage applications and provides precise voltage references.  
- It can replace traditional Zener diodes with improved performance.  

### **Features:**  
- **Low Voltage Operation:** Adjustable down to 1.24V  
- **Low Operating Current:** 80µA (typical)  
- **High Accuracy:** ±1% reference voltage tolerance  
- **Wide Operating Temperature Range:** -40°C to +125°C  
- **Thermal Stability:** Low temperature drift  
- **SOT-23 Package:** Small footprint for space-constrained applications  

This device is commonly used in power supplies, battery chargers, and voltage monitoring circuits.

Application Scenarios & Design Considerations

Low-Voltage Adjustable Precision Shunt Regulator

Alternative Part Number

  • LMV431AIM5/NOPB --: Adjustable shunt regulator with similar 1.24V reference and tolerance grade, available in SOT-23-5, a common drop-in for TLVH431 in many designs.
  • AZ431AN-BTRE1 --: Adjustable precision shunt regulator with comparable reference voltage and current capability, offered in SOT-23, suitable as a functional replacement.
  • TL431ACDBZR --: Widely used adjustable shunt regulator in the same SOT-23-3 package family with similar behavior, though its reference is 2.5V so verify the feedback network.

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