Texas Instruments TL431ACD Adjustable Precision Shunt Regulator SOIC-8
Texas Instruments TL431ACD adjustable precision shunt regulator, 2.495V to 36V output, SOIC-8 surface mount package for SMPS and precision designs.
The Texas Instruments TL431ACD Adjustable Precision Shunt Regulator is a three-terminal adjustable shunt regulator with an output voltage range of 2.495V to 36V, making it a versatile choice for precision electronic designs.
Overview
The TL431ACD is designed primarily for secondary side regulation in flyback switch-mode power supplies (SMPS). Its output voltage can be set to any value between its reference voltage (approximately 2.5V) and 36V using just two external resistors. Its active output circuitry provides a sharp turn-on characteristic, and it can serve as a direct replacement for Zener diodes in numerous applications.
Key Features
- Adjustable output voltage range of 2.495V to 36V
- Typical output impedance of 0.2Ω
- Low output noise profile
- Sink-current capability from 1mA to 100mA
- Initial accuracy of 1%
- Minimal output drift over temperature
- Operating virtual junction temperature of up to 150°C
Specifications
- Package: SOIC-8 surface mount (SMD) with 8 pins
- Operating temperature range: 0°C to 70°C
- Dimensions: 3.3 (width) x 1.5 (depth) x 4.3 (height)
- Weight: 0.178 g
The compact SOIC-8 surface-mount package is intended for efficient PCB integration in modern electronics manufacturing. Choose the Texas Instruments TL431ACD when you need an adjustable, precise shunt regulator with a wide output voltage range for secondary side regulation and voltage reference applications.
- For secondary side regulation in flyback switch-mode power supplies (SMPS)
- As a direct replacement for Zener diodes in numerous applications
- Precision electronic designs requiring an adjustable voltage reference
- Surface-mount PCB designs
- Voltage Reference Type: Adjustable Shunt Regulator
- Adjustable Output Voltage Range: 2.495V to 36V
- Typical Output Impedance: 0.2Ω
- Sink-Current Capability: 1mA to 100mA
- Initial Accuracy: 1%
- Operating Virtual Junction Temperature: Up to 150°C
- Package Type: SOIC (Small Outline Integrated Circuit)
- Pin Count: 8 Pins
- Mounting Style: Surface Mount (SMD)
- Operating Temperature Range: 0°C to 70°C
- Special Feature: Low output noise profile
- Special Feature: Sharp turn-on characteristic
- Width: 3.3
- Depth: 1.5
- Height: 4.3
- Weight: 0.178 g
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