Overview
The TL431AIZT, produced by STMicroelectronics, is an adjustable micropower shunt voltage reference. This device is part of the TL431 series, known for its guaranteed temperature stability over the entire operating temperature range. The TL431AIZT is particularly suited for applications requiring high precision and reliability, including automotive, industrial, and power supply systems. It offers adjustable output voltage, low dynamic impedance, and a wide range of operating temperatures, making it a versatile component for various electronic designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Reference Input Voltage (Vref) | 2.44 | 2.495 | 2.55 | V |
| Cathode to Anode Voltage (VKA) | - | - | 36 | V |
| Cathode Current (Ik) | 1 | - | 100 | mA |
| Dynamic Output Impedance | - | 0.22 | - | Ω |
| Operating Temperature Range | -40 | - | 125 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
Key Features
- AEC-Q100 qualified for automotive applications
- Adjustable output voltage: 2.5 to 36 V with two external resistors
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- Voltage precision: 0.5%, 1%, and 2% depending on the version
- Extended temperature range for automotive versions: -40 °C to +125 °C
- Low dynamic output impedance and fast turn-on response
- Temperature-compensated for operation over the full rated operating temperature range
Applications
- Power supply systems
- Industrial control systems
- Automotive electronics
- Voltage regulation in various electronic circuits
Q & A
- What is the adjustable output voltage range of the TL431AIZT?
The output voltage can be set to any value between 2.5 and 36 V using two external resistors.
- What is the sink current capability of the TL431AIZT?
The device can sink current in the range of 1 to 100 mA.
- What is the typical dynamic output impedance of the TL431AIZT?
The typical dynamic output impedance is 0.22 Ω.
- What are the operating temperature ranges for the TL431AIZT?
The operating temperature range is -40 °C to +125 °C for automotive versions.
- Is the TL431AIZT AEC-Q100 qualified?
Yes, the TL431AIZT is AEC-Q100 qualified for automotive applications.
- What is the storage temperature range for the TL431AIZT?
The storage temperature range is -65 °C to +150 °C.
- How is the output voltage precision of the TL431AIZT?
The voltage precision is 0.5%, 1%, and 2% depending on the version.
- What are some common applications of the TL431AIZT?
Common applications include power supply systems, industrial control systems, and automotive electronics.
- Does the TL431AIZT have fast turn-on response?
Yes, the TL431AIZT has a fast turn-on response due to its active output circuitry.
- Is the TL431AIZT temperature-compensated?
Yes, the TL431AIZT is temperature-compensated for operation over the full rated operating temperature range.
