Overview
The TL431BVLP is a highly versatile and reliable three-terminal programmable shunt regulator diode produced by onsemi. This monolithic IC operates as a low temperature coefficient zener, which can be programmed from 2.495 V to 36 V using two external resistors. It is designed to offer a stable voltage reference and can be used in a variety of applications, including digital voltmeters, power supplies, and op-amp circuitry. The device is known for its wide operating current range and low dynamic output impedance, making it an excellent replacement for traditional zener diodes.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Reference Type | Shunt |
| Output Type | Adjustable |
| Voltage - Output (Min/Fixed) | 2.495 V |
| Voltage - Output (Max) | 36 V |
| Current - Output | 100 mA |
| Tolerance | ±0.4% |
| Temperature Coefficient | 50 ppm/°C Typical |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Current - Cathode | 1 mA |
| Package / Case | TO-226-3, TO-92-3 Long Body |
| Mounting Type | Through Hole |
| RoHS Status | Lead free / RoHS Compliant (Note: Some sources indicate non-compliant, but this may vary by specific part number and production batch) |
Key Features
- Programmable output voltage from 2.495 V to 36 V using two external resistors.
- Low dynamic output impedance of 0.22 Ω typical.
- Wide operating current range of 1.0 mA to 100 mA.
- Temperature compensated for operation over the full rated operating temperature range.
- Low output noise voltage.
- Pb-free packages available.
Applications
- Digital voltmeters.
- Power supplies.
- Op-amp circuitry.
- Any application requiring a stable and adjustable voltage reference.
Q & A
- What is the TL431BVLP?
The TL431BVLP is a three-terminal programmable shunt regulator diode produced by onsemi, designed to operate as a low temperature coefficient zener.
- What is the programmable voltage range of the TL431BVLP?
The TL431BVLP can be programmed from 2.495 V to 36 V using two external resistors.
- What is the operating current range of the TL431BVLP?
The device operates over a wide current range of 1.0 mA to 100 mA.
- What is the temperature coefficient of the TL431BVLP?
The temperature coefficient is 50 ppm/°C typical.
- What are the typical applications of the TL431BVLP?
It is commonly used in digital voltmeters, power supplies, and op-amp circuitry).
- What is the dynamic output impedance of the TL431BVLP?
The dynamic output impedance is 0.22 Ω typical).
- Is the TL431BVLP RoHS compliant?
Yes, the TL431BVLP is lead-free and RoHS compliant, although some sources may indicate non-compliance depending on the specific part number and production batch).
- What is the operating temperature range of the TL431BVLP?
The operating temperature range is -40°C to 125°C (TA)).
- What package types are available for the TL431BVLP?
The device is available in TO-226-3 and TO-92-3 Long Body packages).
- Can the TL431BVLP be used as a replacement for zener diodes?
Yes, the TL431BVLP is an excellent replacement for zener diodes in many applications due to its stable and adjustable voltage reference capabilities).
