Overview
The TL431BCLPG is a three-terminal programmable shunt regulator diode produced by onsemi. This monolithic IC voltage reference 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 with a wide operating current range of 1.0 mA to 100 mA and a typical dynamic impedance of 0.22 Ω. The device is suitable for various applications, including digital voltmeters, power supplies, and op-amp circuitry, due to its excellent temperature stability and low output noise voltage.
Key Specifications
| Characteristic | Symbol | Unit | Typical Value | Min Value | Max Value |
|---|---|---|---|---|---|
| Reference Input Voltage | Vref | V | 2.495 | 2.44 | 2.58 |
| Voltage Reference Tolerance | % | ±0.4% | |||
| Dynamic Output Impedance | ZKA | Ω | 0.22 | 0.5 | |
| Sink Current Capability | IK | mA | 1.0 to 100 | 1.0 | 100 |
| Temperature Coefficient | ppm/°C | 50 | |||
| Operating Temperature Range | TA | °C | -40 to 85 | -40 | 85 |
| Package Type | TO-92 |
Key Features
- Programmable Output Voltage to 36 V using two external resistors.
- Voltage Reference Tolerance: ±0.4% typical at 25°C.
- 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 Full Rated Operating Temperature Range.
- Low Output Noise Voltage.
- Pb-Free Packages are Available.
Applications
- Digital Voltmeters: The TL431BCLPG can be used to provide a stable voltage reference in digital voltmeter circuits.
- Power Supplies: It is suitable for use in power supply designs where a stable voltage reference is required.
- Op-Amp Circuitry: The device can be used as a voltage reference in op-amp circuits to ensure stable operation.
- General Voltage Regulation: It can be used as either a positive or negative voltage reference in various electronic circuits.
Q & A
- What is the TL431BCLPG?
The TL431BCLPG is a three-terminal programmable shunt regulator diode produced by onsemi, operating as a low temperature coefficient zener.
- What is the programmable output voltage range of the TL431BCLPG?
The output voltage can be programmed from 2.495 V to 36 V using two external resistors.
- What is the typical voltage reference tolerance of the TL431BCLPG?
The voltage reference tolerance is ±0.4% typical at 25°C.
- What is the dynamic output impedance of the TL431BCLPG?
The dynamic output impedance is 0.22 Ω typical.
- What is the sink current capability of the TL431BCLPG?
The sink current capability ranges from 1.0 mA to 100 mA.
- What is the temperature coefficient of the TL431BCLPG?
The equivalent full-range temperature coefficient is 50 ppm/°C typical.
- What are the common applications of the TL431BCLPG?
Common applications include digital voltmeters, power supplies, op-amp circuitry, and general voltage regulation.
- What package types are available for the TL431BCLPG?
The TL431BCLPG is available in the TO-92 package type.
- Is the TL431BCLPG Pb-Free?
- What is the operating temperature range of the TL431BCLPG?
The operating temperature range is -40°C to 85°C.
