Overview
The TL1431ACL3T, produced by STMicroelectronics, is an adjustable shunt voltage reference known for its guaranteed temperature stability across the 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 from 1 to 100 mA and features a typical dynamic impedance of 0.2 Ω, ensuring stable voltage reference 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 |
| Package Type | SOT23-3L | |
| Thermal Resistance (Junction-Ambient) | 248 °C/W | °C/W |
| Power Dissipation | 500 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 two 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.
- Available in various packages including SOT23-3L, SO-8, TO-92, and others.
Applications
The TL1431ACL3T is suitable for a wide range of applications requiring a stable and adjustable voltage reference. These include:
- Industrial control systems.
- Automotive systems.
- Power supplies and voltage regulators.
- Measurement and instrumentation equipment.
- Telecommunication devices.
Q & A
- What is the adjustable output voltage range of the TL1431ACL3T?
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 TL1431ACL3T?
The TL1431ACL3T can sink current from 1 to 100 mA.
- What is the typical output impedance of the TL1431ACL3T?
The typical output impedance is 0.22 Ω.
- What is the voltage precision of the TL1431ACL3T?
The voltage precision is 0.4% and 0.25%.
- What is the operating temperature range of the TL1431ACL3T?
The operating temperature range is -40 °C to +125 °C for automotive grade.
- In what packages is the TL1431ACL3T available?
The TL1431ACL3T is available in SOT23-3L, SO-8, TO-92, and other packages.
- What is the thermal resistance (junction-ambient) of the TL1431ACL3T in the SOT23-3L package?
The thermal resistance (junction-ambient) is 248 °C/W.
- What is the power dissipation of the TL1431ACL3T in the SOT23-3L package?
The power dissipation is 500 mW.
- What is the storage temperature range for the TL1431ACL3T?
The storage temperature range is -65 °C to +150 °C.
- What is the ESD protection level for the TL1431ACL3T according to the Human Body Model (HBM)?
The ESD protection level is 2000 V according to the HBM.
