Overview
The TL431BVDR2 is a three-terminal programmable shunt regulator diode manufactured by onsemi. This monolithic IC voltage reference operates as a low temperature coefficient zener, which can be programmed from 2.5 V to 36 V using two external resistors. The device is known for its wide operating current range and low dynamic output impedance, making it an excellent replacement for zener diodes in various applications.
Key Specifications
| Parameter | Value |
|---|---|
| Shunt Type | Shunt |
| Output Type | Programmable |
| Accuracy | ±0.4% |
| Reference Voltage | 2.495V |
| Output Voltage Range | 2.495V to 36V |
| Output Impedance | 0.14Ω (Typical) |
| Cathode Current Range | 1mA to 100mA |
| Power Dissipation | 0.7W |
| Operating Temperature Range | -40°C to +125°C |
| Package/Case | SOIC-8 |
| Mounting Method | Surface Mount |
| Temperature Coefficient | 50ppm/°C (Typical) |
Key Features
- Programmable output voltage from 2.5 V to 36 V using two external resistors.
- Low dynamic output impedance of 0.22 Ω (typical).
- Sink current capability of 1.0 mA to 100 mA.
- Voltage reference tolerance of ±0.4% at 25°C.
- Temperature compensated for operation over the full rated operating temperature range.
- Low output noise voltage.
- Pb-free packages available.
Applications
- Power supplies.
- Industrial applications.
- Automotive applications.
- Digital voltmeters.
- Op-amp circuitry.
Q & A
- What is the TL431BVDR2?
The TL431BVDR2 is a three-terminal programmable shunt regulator diode manufactured by onsemi.
- What is the output voltage range of the TL431BVDR2?
The output voltage range is from 2.495 V to 36 V.
- What is the accuracy of the TL431BVDR2?
The accuracy is ±0.4% at 25°C.
- What is the operating temperature range of the TL431BVDR2?
The operating temperature range is from -40°C to +125°C.
- What is the typical dynamic output impedance of the TL431BVDR2?
The typical dynamic output impedance is 0.22 Ω.
- What is the sink current capability of the TL431BVDR2?
The sink current capability is from 1.0 mA to 100 mA.
- What type of package does the TL431BVDR2 come in?
The TL431BVDR2 comes in an SOIC-8 package.
- Is the TL431BVDR2 Pb-free?
- What are some common applications of the TL431BVDR2?
- How is the output voltage of the TL431BVDR2 programmed?
The output voltage is programmed using two external resistors.
