Overview
The TL1431ACZT, produced by STMicroelectronics, is an adjustable shunt voltage reference known for its guaranteed temperature stability across its entire operating temperature range. This component allows for the output voltage to be set to any value between 2.5 V and 36 V using two external resistors. It operates with a wide current range of 1 to 100 mA and features a typical dynamic impedance of 0.2 Ω, making it versatile for various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Cathode-to-anode voltage (VKA) | 2.5 to 36 | V |
| Continuous cathode current (Ik) | 1 to 100 | mA |
| Reference input voltage (Vref) | 2.490 to 2.510 | V |
| Reference input voltage deviation over temperature range (ΔVref) | 3 to 30 | mV |
| Temperature coefficient of reference input voltage | ±13 to ±100 | ppm/°C |
| Typical output impedance | 0.22 Ω | Ω |
| Operating free-air temperature range (Toper) | -40 to +125 °C (depending on the grade) | °C |
| Storage temperature range (Tstg) | -65 to +150 °C | °C |
| ESD protection (HBM) | 2000 V | V |
| Package | TO-92 | |
| Thermal resistance junction-case (RthJC) | 57 °C/W | °C/W |
| Thermal resistance junction-ambient (RthJA) | 200 °C/W | °C/W |
Key Features
- Adjustable output voltage: 2.5 V to 36 V
- Sink current capability: 1 to 100 mA
- Typical output impedance: 0.22 Ω
- Voltage precision: 0.4% and 0.25%
- Automotive temperature range: -40 °C to +125 °C (depending on the grade)
Applications
The TL1431ACZT is suitable for a variety of applications, including:
- Industrial control systems
- Automotive systems (for automotive-grade versions)
- Power supplies and voltage regulators
- Measurement and testing equipment
- Any application requiring a stable and adjustable voltage reference
Q & A
- What is the adjustable output voltage range of the TL1431ACZT?
The output voltage can be set to any value between 2.5 V and 36 V using two external resistors.
- What is the current range that the TL1431ACZT can operate with?
The TL1431ACZT operates with a current range of 1 to 100 mA.
- What is the typical output impedance of the TL1431ACZT?
The typical output impedance is 0.22 Ω.
- What are the voltage precision options for the TL1431ACZT?
The voltage precision options are 0.4% and 0.25%.
- What is the operating temperature range for the TL1431ACZT?
The operating temperature range is -40 °C to +125 °C, depending on the specific grade.
- What types of packages are available for the TL1431ACZT?
The TL1431ACZT is available in a TO-92 package.
- What is the thermal resistance junction-case (RthJC) for the TO-92 package?
The thermal resistance junction-case (RthJC) for the TO-92 package is 57 °C/W.
- What is the ESD protection level for the TL1431ACZT according to the human body model (HBM)?
The ESD protection level is 2000 V according to the human body model (HBM).
- What are some typical applications for the TL1431ACZT?
Typical applications include industrial control systems, automotive systems, power supplies, and measurement and testing equipment.
- Is the TL1431ACZT RoHS compliant?
