Adjustable Precision Shunt Regulator The TL431AIDR is a precision programmable shunt regulator manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)
- **Part Number:** TL431AIDR
- **Package:** SOIC-8
- **Reference Voltage:** 2.495V (Typical)
- **Reference Voltage Tolerance:** ±1% (A Grade)
- **Adjustable Output Voltage Range:** 2.5V to 36V
- **Operating Cathode Current Range:** 1mA to 100mA
- **Sink Current Capability:** Up to 100mA
- **Temperature Range:** -40°C to +85°C
- **Line Regulation:** 0.2% (Typical)
- **Load Regulation:** 0.4% (Typical)
### **Descriptions:**
The TL431AIDR is a three-terminal adjustable shunt regulator with thermal stability over the full operating temperature range. It is commonly used in switching power supplies, voltage references, and error amplifiers. The device can be programmed to provide a precise output voltage with external resistors.
### **Features:**
- **Precision Reference Voltage:** 2.495V with ±1% tolerance (A Grade)
- **Adjustable Output Voltage:** Configurable from 2.5V to 36V
- **Low Dynamic Output Impedance:** 0.2Ω (Typical)
- **Wide Operating Current Range:** 1mA to 100mA
- **Low Output Noise Voltage**
- **Fast Turn-On Response**
- **Available in Multiple Packages:** SOIC-8, PDIP-8, SOT-23
- **Applications:** Voltage regulation, switching power supplies, battery chargers, error amplifiers
This information is sourced from Texas Instruments' official documentation.
