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TL432A from TSC

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TL432A

Manufacturer: TSC, HTC

Adjustable Precision Shunt Regulator

Partnumber Manufacturer Quantity Availability
TL432A TSC, HTC 102153 In Stock

Description and Introduction

Adjustable Precision Shunt Regulator The TL432A is a precision programmable shunt regulator manufactured by TSC (Taiwan Semiconductor). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Reference Voltage:** 1.24V (typical)  
- **Operating Voltage Range:** 1.24V to 18V  
- **Output Current Range:** 1mA to 100mA  
- **Temperature Stability:** ±0.4% (typical) over full temperature range  
- **Low Dynamic Impedance:** 0.2Ω (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOT-23, TO-92, SOT-89  

### **Descriptions:**  
- The TL432A is a three-terminal adjustable shunt regulator with thermal stability and low output impedance.  
- It is commonly used in voltage regulation, switching power supplies, and error amplification circuits.  
- It is an improved version of the TL431 with tighter tolerances and better performance.  

### **Features:**  
- **Adjustable Output Voltage** (via external resistors)  
- **Low Output Noise**  
- **Fast Turn-On Response**  
- **Low Temperature Coefficient**  
- **Wide Operating Current Range**  
- **Equivalent to Industry Standard TL431 with Enhanced Performance**  

For exact datasheet details, refer to TSC's official documentation.

Application Scenarios & Design Considerations

Adjustable Precision Shunt Regulator

Alternative Part Number

  • LMV431AIM5 --: Pin-compatible adjustable shunt reference with 1.24V reference voltage and tight tolerance, widely available and a common drop-in for TL432A in many designs.
  • AZ431AN-BTRE1 --: Adjustable precision shunt regulator with similar 2.5V/1.24V-class operation and SOT-23 package options, offering comparable tolerance grades and good availability.
  • KA431AZBU --: Industry-standard adjustable shunt regulator family with broad tolerance options and low cost, suitable as a functional substitute where exact reference voltage and tolerance are verified.
  • AZ432ANTR-G1 --: Low-voltage adjustable shunt regulator with similar 1.24V reference and tolerance grade, suitable drop-in replacement.
  • TS432AILT --: Adjustable shunt voltage reference in SOT-23 with comparable 1.24V reference and A-grade accuracy, good second source.

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