Overview
The TL431IZ-AP is an adjustable shunt voltage reference produced by STMicroelectronics. This device is part of the TL431 and TL432 series, known for their guaranteed temperature stability across the entire operating temperature range. The TL431IZ-AP is particularly suited for automotive applications, with an extended temperature range of -40 °C to +125 °C. It allows for adjustable output voltage between 2.5 and 36 V using two external resistors, making it versatile for various power supply and industrial applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Input Voltage (Vref) | 2.44 - 2.495 | V |
| Adjustable Output Voltage | 2.5 to 36 | V |
| Sink Current Capability | 1 to 100 | mA |
| Typical Output Impedance | 0.22 | Ω |
| Voltage Precision | 1% and 2% (depending on version) | % |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | TO-92-3 | |
| Cathode to Anode Voltage (VKA) | Up to 37 | V |
| Continuous Cathode Current Range | -100 to +150 | mA |
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
- 0.5% voltage precision available on the TL431B version, and 1% and 2% on other versions
- Extended automotive temperature range: -40 °C to +125 °C
Applications
- Power supply systems requiring adjustable voltage references
- Industrial control systems
- Automotive systems, including those requiring high temperature stability
Q & A
- What is the adjustable output voltage range of the TL431IZ-AP?
The TL431IZ-AP can be adjusted to output any voltage between 2.5 and 36 V using two external resistors.
- What is the operating temperature range for the TL431IZ-AP?
The operating temperature range for the TL431IZ-AP is -40 °C to +125 °C, making it suitable for automotive applications.
- What is the sink current capability of the TL431IZ-AP?
The TL431IZ-AP can sink current in the range of 1 to 100 mA.
- What is the typical output impedance of the TL431IZ-AP?
The typical output impedance of the TL431IZ-AP is 0.22 Ω.
- Is the TL431IZ-AP AEC-Q100 qualified?
- What are the common applications of the TL431IZ-AP?
The TL431IZ-AP is commonly used in power supply systems, industrial control systems, and automotive systems.
- What is the package type of the TL431IZ-AP?
The TL431IZ-AP comes in a TO-92-3 package.
- What is the maximum cathode to anode voltage (VKA) for the TL431IZ-AP?
The maximum cathode to anode voltage (VKA) for the TL431IZ-AP is 37 V.
- What is the reference input voltage (Vref) range for the TL431IZ-AP?
The reference input voltage (Vref) range for the TL431IZ-AP is typically between 2.44 and 2.495 V.
- Does the TL431IZ-AP have different voltage precision options?
