Overview
The TL431ACLPG is a three-terminal programmable shunt regulator diode produced by onsemi. This device is part of the TL431 series, which operates as a low temperature coefficient zener diode that can be programmed from the reference voltage to 36 V using two external resistors. It is designed to provide a stable voltage reference and can be used in various applications where precision voltage regulation is required.
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 | 0 | - | 70 |
| 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.
- Low dynamic output impedance of 0.22 Ω typical.
- Sink current capability of 1.0 mA to 100 mA.
- Equivalent full-range temperature coefficient of 50 ppm/°C typical.
- 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 programmable voltage reference.
Q & A
- What is the TL431ACLPG?
The TL431ACLPG is a three-terminal programmable shunt regulator diode produced by onsemi.
- What is the operating voltage range of the TL431ACLPG?
The device can be programmed to operate from the reference voltage up to 36 V.
- What is the typical dynamic impedance of the TL431ACLPG?
The typical dynamic impedance is 0.22 Ω.
- What is the sink current capability of the TL431ACLPG?
The sink current capability ranges from 1.0 mA to 100 mA.
- What is the temperature coefficient of the TL431ACLPG?
The equivalent full-range temperature coefficient is 50 ppm/°C typical.
- What are the operating temperature ranges for the TL431ACLPG?
The operating ambient temperature range is from 0°C to 70°C.
- Is the TL431ACLPG Pb-Free?
- What are some common applications of the TL431ACLPG?
Common applications include digital voltmeters, power supplies, and op-amp circuitry.
- How is the output voltage of the TL431ACLPG programmed?
The output voltage is programmed using two external resistors.
- What is the off-state cathode current of the TL431ACLPG?
The off-state cathode current ranges from 20 nA to 1000 nA.
