Overview
The TL1431IDT, produced by STMicroelectronics, is an adjustable shunt voltage reference known for its guaranteed temperature stability across a wide 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 current range of 1 to 100 mA and features a typical dynamic impedance of 0.22 Ω, ensuring stable voltage regulation in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage Range | 2.5 V to 36 V | V |
| Sink Current Capability | 1 to 100 mA | mA |
| Typical Output Impedance | 0.22 Ω | Ω |
| Voltage Precision | 0.4% and 0.25% | % |
| Operating Temperature Range | -40 °C to +125 °C (Automotive Grade) | °C |
| Cathode-to-Anode Voltage | Up to 37 V | V |
| Power Dissipation (SO-8 package) | 960 mW | mW |
| Storage Temperature Range | -65 °C to +150 °C | °C |
| ESD Protection (HBM) | 2000 V | V |
Key Features
- Adjustable output voltage from 2.5 V to 36 V using external resistors.
- Sink current capability from 1 to 100 mA.
- Typical output impedance of 0.22 Ω.
- Voltage precision of 0.4% and 0.25%.
- Guaranteed temperature stability over the entire operating temperature range.
- Automotive temperature range: -40 °C to +125 °C.
- Internally compensated for stability without an output capacitor.
Applications
The TL1431IDT is suitable for a variety of applications requiring stable voltage references, including:
- Industrial control systems.
- Automotive electronics.
- Power supplies and voltage regulators.
- Measurement and instrumentation equipment.
- Telecommunications and networking devices.
Q & A
- What is the adjustable output voltage range of the TL1431IDT?
The output voltage can be set to any value between 2.5 V and 36 V using two external resistors.
- What is the sink current capability of the TL1431IDT?
The TL1431IDT can sink current from 1 to 100 mA.
- What is the typical output impedance of the TL1431IDT?
The typical output impedance is 0.22 Ω.
- What is the voltage precision of the TL1431IDT?
The voltage precision is 0.4% and 0.25%.
- What is the operating temperature range for the TL1431IDT?
The operating temperature range is -40 °C to +125 °C for the automotive grade.
- Does the TL1431IDT require an output capacitor for stability?
No, the TL1431IDT is internally compensated and does not require an output capacitor for stability, although one can be used if desired.
- What are the package options available for the TL1431IDT?
The TL1431IDT is available in several packages, including SO-8, TO-92, SOT23, and SOT323-6L.
- What is the power dissipation of the TL1431IDT in the SO-8 package?
The power dissipation in the SO-8 package is 960 mW.
- What is the storage temperature range for the TL1431IDT?
The storage temperature range is -65 °C to +150 °C.
- What is the ESD protection rating for the TL1431IDT?
The ESD protection rating is 2000 V according to the Human Body Model (HBM).
