Description
The TL431CDT is a programmable shunt voltage reference from STMicroelectronics, offering a stable reference voltage with adjustable output voltage ranging from 2.5V to 36V. This device provides high precision, with a typical output impedance of 0.22Ω and a sink current capability of 1mA to 100mA.
The TL431CDT is AEC-Q100 qualified, making it suitable for automotive applications. Its temperature range spans from -40°C to +125°C, ensuring reliable performance in various environments. This versatile component finds applications in amplifiers, error amplifiers, voltage regulation tasks, and more, supporting multiple electronic devices and industries.
In summary, the TL431CDT is a programmable shunt voltage reference offering adjustable output voltage, high precision, and reliability for various applications.
Features
The TL431CDT features include:
- Adjustable output voltage: 2.5 to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- AEC-Q100 qualified for automotive applications
- Operating temperature range: -40°C to +125°C
It is a programmable shunt voltage reference with high precision and stability, making it suitable for various applications such as amplifiers, error amplifiers, voltage regulation tasks, and more.
Package
The package type of TL431CDT is SOP8 (Shrink Small Outline Package, 8 pins).
Pinout
The TL431CDT has an 8-pin SOP package.
Pin functions:
- Pin 1: VCC (positive supply voltage)
- Pin 2: OUT (output voltage)
- Pin 3: REF (reference input)
- Pin 4: COMP (compensation pin)
- Pin 5: GND (ground)
- Pin 6: ADJ (adjustment pin)
- Pin 7: VREF (voltage reference output)
- Pin 8: NC (no connection)
The TL431CDT is a programmable shunt voltage reference that provides a stable reference voltage. It can be used in various applications such as amplifiers, error amplifiers, and voltage regulation tasks.
Manufacturer
The manufacturer of the TL431CDT is STMicroelectronics, a leading global semiconductor company that designs, develops, manufactures, and markets a wide range of semiconductor products, including microcontrollers, memory devices, logic ICs, analog ICs, and other specialized devices.
Applications
The TL431CDT is suitable for various applications, including amplifiers, error amplifiers, voltage regulation tasks, consumer electronics, automotive systems (battery chargers), industrial applications, power supplies, and precision circuits. It ensures precise voltage references, controls voltage variations, and minimizes power supply issues.
Equivalent
The equivalent products of TL431CDT include:
- Texas Instruments' TS3431, which has similar specifications and characteristics.
- Analog Devices' AD8675, which offers a similar programmable shunt voltage reference with adjustable output voltage.
- Maxim Integrated's MAX9721, which provides a similar adjustable output voltage and precision reference.
These products are widely used in various applications such as amplifiers, error amplifiers, power supplies, and automotive systems.
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