Overview
The TL431BU-TP, produced by Micro Commercial Co, is an adjustable shunt voltage reference integrated circuit. This device is known for its high precision, low power consumption, and excellent temperature stability, making it suitable for a wide range of applications. The TL431BU-TP can be programmed to provide an output voltage between 2.5V and 36V using external resistors, ensuring versatility in various circuit designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 2.5 to 36 | V |
| Sink Current Capability | 1 to 100 | mA |
| Typical Output Impedance | 0.22 | Ω |
| Voltage Precision | ±0.4% (TL431B version: 0.5%) | |
| Operating Temperature Range | -40 to +125 | °C |
| Cathode to Anode Voltage | 37 | V |
| Continuous Cathode Current Range | -100 to +150 | mA |
| Reference Input Current Range | -0.05 to +10 | mA |
| Package Type | SOT-23-3, TO-236-3, SC-59 | |
| Thermal Resistance Junction to Ambient | 200 to 248 | °C/W |
Key Features
- High-precision voltage reference with adjustable output voltage between 2.5V and 36V.
- Low power consumption and low noise characteristics, making it suitable for long-term operating applications.
- Wide operating temperature range of -40°C to +125°C, ensuring stability in harsh environments.
- High accuracy and stability with a temperature coefficient of 50ppm/°C and a tolerance of ±0.4%.
- Compact packaging options such as SOT-23-3, TO-236-3, and SC-59, facilitating easy integration into various circuit boards.
Applications
- Measurement and Calibration: Used in voltmeters, ammeters, power meters, and other measuring devices to provide accurate voltage references.
- Voltage Regulation: Serves as a stable voltage source for voltage regulators, voltage references, and voltage monitors in power management circuits, switching power supplies, linear regulators, and battery-powered equipment.
- Communication Systems: Utilized in wireless transceivers, cellular base stations, satellite communication systems, and network infrastructure equipment to maintain stable reference voltages for signal processing and frequency synthesis.
- Sensor Interfaces: Used in sensor interface circuits for conditioning sensor signals and providing accurate reference voltages for sensor calibration.
Q & A
- What is the output voltage range of the TL431BU-TP?
The output voltage range of the TL431BU-TP is between 2.5V and 36V. - What is the typical output impedance of the TL431BU-TP?
The typical output impedance is 0.22 Ω. - What is the operating temperature range of the TL431BU-TP?
The operating temperature range is -40°C to +125°C. - What are the packaging options for the TL431BU-TP?
The packaging options include SOT-23-3, TO-236-3, and SC-59. - What is the voltage precision of the TL431BU-TP?
The voltage precision is ±0.4% (with the TL431B version offering 0.5% precision). - What are some common applications of the TL431BU-TP?
Common applications include measurement and calibration, voltage regulation, communication systems, and sensor interfaces. - How does the TL431BU-TP handle noise?
The TL431BU-TP has low noise characteristics, making it suitable for high-precision applications such as audio equipment and measuring instruments. - What is the sink current capability of the TL431BU-TP?
The sink current capability ranges from 1 to 100 mA. - Is the TL431BU-TP suitable for automotive applications?
Yes, it is AEC-Q100 qualified and has an extended temperature range suitable for automotive use. - What is the thermal resistance junction to ambient for the TL431BU-TP?
The thermal resistance junction to ambient ranges from 200 to 248 °C/W depending on the package type.
