Overview
The TL431BSA-7 is an adjustable precision shunt regulator produced by Diodes Incorporated. This component is part of the TL431 series, known for its excellent temperature stability and high output current handling capability. The TL431BSA-7 is particularly notable for its high accuracy and versatility, making it suitable for a wide range of applications requiring precise voltage regulation.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Reference Voltage (VREF) | 2.482 | 2.495 | 2.507 | V |
| Cathode Voltage (VKA) | - | - | 36 | V |
| Cathode Current (IKA) | 1 | - | 100 | mA |
| Reference Input Current (IREF) | -0.050 | - | 10 | mA |
| Operating Junction Temperature (TJ) | - | - | 150 | °C |
| Operating Ambient Temperature (TA) | -40 | - | 125 | °C |
| Power Dissipation (PD) | - | - | 330 | mW (SOT23) |
| Initial Accuracy | - | - | ±0.5% | - |
| Output Voltage Range | 2.5 | - | 36 | V |
Key Features
- Adjustable output voltage from 2.5V to 36V using external divider resistors.
- High accuracy with initial tolerances of ±0.5% for the B grade.
- Low output noise and typical output impedance of 0.2Ω.
- Sink current capability from 1mA to 100mA.
- Operating temperature range from -40°C to +125°C.
- Totally lead-free and fully RoHS compliant, halogen and antimony free.
- Available in SOT23 package.
Applications
- Opto-coupler linearizers.
- Shunt regulators.
- Improved zener diode replacements.
- Variable reference voltage applications.
Q & A
- What is the TL431BSA-7 used for?
The TL431BSA-7 is used as an adjustable precision shunt regulator, suitable for applications requiring precise voltage regulation, such as opto-coupler linearizers, shunt regulators, and improved zener diode replacements.
- What is the output voltage range of the TL431BSA-7?
The output voltage of the TL431BSA-7 can be adjusted from 2.5V to 36V using external divider resistors.
- What is the initial accuracy of the TL431BSA-7?
The initial accuracy of the TL431BSA-7 is ±0.5% for the B grade.
- What is the maximum sink current capability of the TL431BSA-7?
The TL431BSA-7 can handle a sink current from 1mA to 100mA.
- What is the operating temperature range of the TL431BSA-7?
The operating temperature range of the TL431BSA-7 is from -40°C to +125°C.
- Is the TL431BSA-7 RoHS compliant?
Yes, the TL431BSA-7 is totally lead-free and fully RoHS compliant, halogen and antimony free.
- What package types are available for the TL431BSA-7?
The TL431BSA-7 is available in the SOT23 package.
- What is the typical output impedance of the TL431BSA-7?
The typical output impedance of the TL431BSA-7 is 0.2Ω.
- Can the TL431BSA-7 replace zener diodes in many applications?
Yes, the TL431BSA-7 can be used as a replacement for zener diodes in many applications requiring improved zener performance.
- What is the maximum power dissipation for the SOT23 package of the TL431BSA-7?
The maximum power dissipation for the SOT23 package of the TL431BSA-7 is 330 mW.
