Overview
The TL431ICT, produced by STMicroelectronics, is an adjustable shunt voltage reference IC. It is part of the TL431 series, known for its high temperature stability and adjustable output voltage. This device is particularly useful in applications requiring a stable voltage reference with a wide range of adjustability. The TL431ICT operates over a broad temperature range, making it suitable for various industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Input Voltage | 2.495 | V |
| Voltage Precision | ±2.21% | |
| Adjustable Output Voltage | 2.5 to 36 | V |
| Sink Current Capability | 1 to 100 | mA |
| Typical Output Impedance | 0.22 | Ω |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | SOT323-6L | |
| AEC-Q100 Qualification | Yes |
Key Features
- AEC-Q100 qualified, ensuring reliability in automotive applications.
- Adjustable output voltage from 2.5 to 36 V using two external resistors.
- Sink current capability from 1 to 100 mA.
- Typical output impedance of 0.22 Ω.
- Voltage precision options: 0.5% (B grade), 1% (A grade), and 2% (Standard grade).
- Extended temperature range for automotive versions: -40 °C to +125 °C.
- Low output noise.
Applications
- Power supply systems.
- Industrial AC/DC power supplies.
- AC inverter and variable frequency (VF) drives.
- Servo drive control modules.
- Notebook PC power adapter designs.
- Automotive electronics.
Q & A
- What is the adjustable output voltage range of the TL431ICT?
The TL431ICT can have its output voltage adjusted between 2.5 and 36 V using two external resistors.
- What is the sink current capability of the TL431ICT?
The TL431ICT can sink current in the range of 1 to 100 mA.
- What is the typical output impedance of the TL431ICT?
The typical output impedance of the TL431ICT is 0.22 Ω.
- What are the temperature ranges for the TL431ICT?
The TL431ICT operates over a temperature range of -40 °C to +125 °C.
- Is the TL431ICT AEC-Q100 qualified?
Yes, the TL431ICT is AEC-Q100 qualified, making it suitable for automotive applications.
- What package type is the TL431ICT available in?
The TL431ICT is available in the SOT323-6L package type.
- What are the voltage precision options for the TL431ICT?
The voltage precision options include 0.5% (B grade), 1% (A grade), and 2% (Standard grade).
- What are some common applications of the TL431ICT?
Common applications include power supply systems, industrial AC/DC power supplies, AC inverters, VF drives, servo drive control modules, and notebook PC power adapter designs.
- Does the TL431ICT have low output noise?
Yes, the TL431ICT is known for its low output noise.
- How do you adjust the output voltage of the TL431ICT?
The output voltage can be adjusted using two external resistors connected to the device.
