Overview
The TL431ACDMR2 from onsemi is a three-terminal programmable shunt regulator diode. This monolithic IC voltage reference operates as a low temperature coefficient zener, which can be programmed from 2.5 V to 36 V using two external resistors. It is designed to offer a stable voltage reference with a wide operating current range and low dynamic impedance, making it an excellent replacement for zener diodes in various applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Reference Input Voltage (Vref) | 2.495 V (Typical) | V |
| Programmable Output Voltage | 2.5 V to 36 V | V |
| Voltage Reference Tolerance | ±1% (Typical at 25°C) | % |
| Sink Current Capability | 1.0 mA to 100 mA | mA |
| Dynamic Impedance | 0.22 Ω (Typical) | Ω |
| Temperature Coefficient | 50 ppm/°C (Typical) | ppm/°C |
| Operating Junction Temperature | 0°C to +70°C | °C |
| Storage Temperature Range | -65°C to +150°C | °C |
| Package Type | Micro8 (MSOP) |
Key Features
- Programmable output voltage from 2.5 V to 36 V using two external resistors.
- Wide operating current range of 1.0 mA to 100 mA.
- Low dynamic impedance of 0.22 Ω (Typical).
- Temperature compensated for operation over the full rated operating temperature range.
- Low output noise voltage.
- Pb-free packages available.
- AEC-Q100 qualified for automotive applications.
Applications
- Power supplies.
- Digital voltmeters.
- Op amp circuitry.
- Automotive systems.
- Industrial control systems.
Q & A
- What is the TL431ACDMR2?
The TL431ACDMR2 is a three-terminal programmable shunt regulator diode from onsemi.
- What is the programmable output voltage range of the TL431ACDMR2?
The output voltage can be programmed from 2.5 V to 36 V using two external resistors.
- What is the operating current range of the TL431ACDMR2?
The device operates over a current range of 1.0 mA to 100 mA.
- What is the typical dynamic impedance of the TL431ACDMR2?
The typical dynamic impedance is 0.22 Ω.
- What is the temperature coefficient of the TL431ACDMR2?
The temperature coefficient is 50 ppm/°C (Typical).
- What are the operating temperature ranges for the TL431ACDMR2?
The operating junction temperature range is 0°C to +70°C, and the storage temperature range is -65°C to +150°C.
- What package type is the TL431ACDMR2 available in?
The TL431ACDMR2 is available in a Micro8 (MSOP) package.
- Is the TL431ACDMR2 AEC-Q100 qualified?
- What are some common applications of the TL431ACDMR2?
- Is the TL431ACDMR2 Pb-free?
