Overview
The TL431AILPRPG, produced by onsemi, is a three-terminal programmable shunt regulator diode. This monolithic IC operates as a low temperature coefficient zener diode that can be programmed from 2.5 V to 36 V using two external resistors. It is designed to provide a stable voltage reference with a wide operating current range of 1.0 mA to 100 mA, making it an excellent replacement for traditional zener diodes in various applications.
Key Specifications
| Characteristic | Symbol | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Cathode to Anode Voltage | VKA | V | - | - | 37 |
| Cathode Current Range, Continuous | IK | mA | -100 | - | 150 |
| Reference Input Current Range, Continuous | Iref | mA | -0.05 | - | 10 |
| Operating Junction Temperature | TJ | °C | - | - | 150 |
| Operating Ambient Temperature Range | TA | °C | -40 | - | 85 |
| Reference Input Voltage | Vref | V | 2.44 | 2.495 | 2.55 |
| Dynamic Impedance | |ZKA| | Ω | 0.22 | - | 0.5 |
| Off-State Cathode Current | Ioff | nA | 20 | - | 1000 |
Key Features
- Programmable output voltage up to 36 V using two external resistors.
- Voltage reference tolerance: ±0.4% typical at 25°C for TL431B.
- Low dynamic output impedance: 0.22 Ω typical.
- Sink current capability: 1.0 mA to 100 mA.
- Equivalent full-range temperature coefficient: 50 ppm/°C typical.
- Temperature compensated for operation over the full rated operating temperature range.
- Low output noise voltage.
- AEC-Q100 qualified and PPAP capable for automotive and other critical applications.
- Pb-free, halogen-free/BFR-free, and RoHS compliant).
Applications
The TL431AILPRPG is versatile and can be used in various applications, including:
- Reference voltage in circuits where a non-standard reference voltage is needed.
- Feedback control for driving an optocoupler in power supplies).
- Digital voltmeters).
- Power supplies).
- Op-amp circuitry).
Q & A
- What is the TL431AILPRPG?
The TL431AILPRPG is a three-terminal programmable shunt regulator diode produced by onsemi.
- What is the programmable voltage range of the TL431AILPRPG?
The TL431AILPRPG can be programmed from 2.5 V to 36 V using two external resistors.
- What is the operating current range of the TL431AILPRPG?
The operating current range is from 1.0 mA to 100 mA.
- What is the typical dynamic impedance of the TL431AILPRPG?
The typical dynamic impedance is 0.22 Ω.
- What is the temperature coefficient of the TL431AILPRPG?
The equivalent full-range temperature coefficient is 50 ppm/°C typical.
- Is the TL431AILPRPG suitable for automotive applications?
- Is the TL431AILPRPG RoHS compliant?
- What are some common applications of the TL431AILPRPG?
- What is the maximum operating junction temperature of the TL431AILPRPG?
- What is the storage temperature range for the TL431AILPRPG?
