Overview
The TS431BILT is a low-voltage, three-terminal, adjustable shunt voltage reference produced by STMicroelectronics. This component is designed to operate at a lower voltage range of 1.24 V to 6 V and can be adjusted using two external resistors. It is particularly suitable for applications requiring precise voltage regulation, such as in 3.3 V switching power supplies and optocoupler driving.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Cathode to Anode Voltage (VKA) | 1.24 to 6 | V |
| Cathode Current (Ik) | 60 μA to 30 mA | |
| Output Voltage Precision | 2%, 1%, 0.5% | |
| Output Impedance | 0.2 Ω | Ω |
| ESD Protection | Human Body Model: 2 kV, Machine Model: 200 V | |
| Temperature Coefficient | 100 ppm/°C | |
| Operating Temperature Range | -40 to +125 °C | °C |
| Package | SOT23-5L | |
| Grade | Industrial | |
| RoHS Compliance | Ecopack2 |
Key Features
- AEC-Q100 qualified for automotive applications
- Low voltage operation: 1.24 V to 6 V
- Wide operating range cathode current: 60 μA to 30 mA
- Low output impedance: 0.2 Ω
- Typically stable for any capacitive loads
- ESD protection: Human Body Model (2 kV), Machine Model (200 V)
- 100 ppm/°C temperature coefficient
- Automotive grade version available
Applications
The TS431BILT is suitable for a variety of applications, including:
- Regulating 3.3 V switching power supplies
- Driving optocouplers
- General-purpose voltage regulation in low-power systems
- Automotive electronics due to its AEC-Q100 qualification
Q & A
- What is the operating voltage range of the TS431BILT?
The TS431BILT operates within a voltage range of 1.24 V to 6 V. - How is the output voltage of the TS431BILT adjusted?
The output voltage can be set to any value between Vref (1.24 V) and 6 V using two external resistors. - What are the precision levels available for the TS431BILT?
The TS431BILT is available with 2%, 1%, and 0.5% voltage precision. - What is the typical output impedance of the TS431BILT?
The typical output impedance is 0.2 Ω. - Does the TS431BILT have ESD protection?
Yes, it has ESD protection with a Human Body Model rating of 2 kV and a Machine Model rating of 200 V. - What is the temperature coefficient of the TS431BILT?
The temperature coefficient is 100 ppm/°C. - What is the operating temperature range of the TS431BILT?
The operating temperature range is -40 to +125 °C. - Is the TS431BILT suitable for automotive applications?
Yes, it is AEC-Q100 qualified for automotive applications. - What package options are available for the TS431BILT?
The TS431BILT is available in the SOT23-5L package. - Is the TS431BILT RoHS compliant?
Yes, it is RoHS compliant with an Ecopack2 rating.
