Overview
The TL431BILPG 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 the reference voltage to 36 V using two external resistors. It is designed to offer a stable and precise voltage reference, making it an excellent replacement for zener diodes in various applications.
The device features a wide operating current range of 1.0 mA to 100 mA and a typical dynamic impedance of 0.22 Ω, ensuring low output noise and high stability. The TL431BILPG is available in a TO-92 package and is Pb-free and halide-free, making it environmentally friendly.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Programmable Output Voltage | 2.5 V to 36 V | V |
| Voltage Reference Tolerance | ±0.4% (Typ @ 25°C) | % |
| Dynamic Output Impedance | 0.22 Ω (Typ) | Ω |
| Sink Current Capability | 1.0 mA to 100 mA | mA |
| Temperature Coefficient | 50 ppm/°C (Typ) | ppm/°C |
| Operating Junction Temperature | -40°C to +85°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Package Type | TO-92 (TO-226) |
Key Features
- Programmable Output Voltage to 36 V
- Voltage Reference Tolerance: ±0.4% (Typ @ 25°C)
- Low Dynamic Output Impedance, 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 and Halide-Free Devices
Applications
The TL431BILPG is versatile and can be used in a variety of applications, including:
- Digital voltmeters
- Power supplies
- Op amp circuitry
- Feedback control for driving an optocoupler in power supplies
- Voltage monitor
- Constant current source
- Constant current sink
- Series pass regulator
Q & A
- What is the programmable output voltage range of the TL431BILPG?
The TL431BILPG can be programmed to output voltages from 2.5 V to 36 V.
- What is the typical voltage reference tolerance of the TL431BILPG at 25°C?
The voltage reference tolerance is ±0.4% at 25°C.
- What is the dynamic output impedance of the TL431BILPG?
The dynamic output impedance is typically 0.22 Ω.
- What is the sink current capability of the TL431BILPG?
The sink current capability ranges from 1.0 mA to 100 mA.
- What is the temperature coefficient of the TL431BILPG?
The temperature coefficient is typically 50 ppm/°C.
- What is the operating junction temperature range of the TL431BILPG?
The operating junction temperature range is -40°C to +85°C.
- What package type is the TL431BILPG available in?
The TL431BILPG is available in a TO-92 (TO-226) package.
- Is the TL431BILPG Pb-free and halide-free?
- What are some common applications of the TL431BILPG?
- Can the TL431BILPG be used as a positive or negative voltage reference?
