Overview
The AZ431AN-ATRE1, produced by Diodes Incorporated, is a three-terminal adjustable shunt regulator known for its guaranteed thermal stability across its entire operating range. This component is designed to offer sharp turn-on characteristics, a low temperature coefficient, and low output impedance, making it an ideal substitute for Zener diodes in various applications. The AZ431AN-ATRE1 is part of the AZ431-A series, which is available in different voltage tolerances and packages.
Key Specifications
| Parameter | Rating/Value | Unit |
|---|---|---|
| Cathode Voltage (VKA) | 40 | V |
| Cathode Current Range (IKA) | -100 to 150 | mA |
| Reference Input Current Range (IREF) | 10 | mA |
| Power Dissipation (PD) | 770 (SOT23), 370 (N Package) | mW |
| Thermal Resistance (θJA) | 380 (SOT23), 165 (TO92, SOT89) | °C/W |
| Junction Temperature (TJ) | +150 | °C |
| Storage Temperature Range (TSTG) | -65 to +150 | °C |
| ESD (Human Body Model) | 2000 | V |
| Output Voltage Range | 2.5V to 36V | V |
| Voltage Tolerance | 0.4%, 0.8% | % |
| Package | SOT23, TO92, SOT89 |
Key Features
- Programmable accurate output voltage from 2.5V to 36V.
- High stability under capacitive load.
- Low Temperature Offset: 4.5mV (Typical).
- Low equivalent full-range temperature coefficient (20PPM/°C typical).
- Sink current capability from 1mA to 100mA.
- Low output noise.
- Wide operating range from -40 to +125°C.
Applications
- Chargers.
- Voltage adapters.
- Switching power supplies.
- Graphic cards.
- Precision voltage references.
Q & A
- Q: What is the AZ431AN-ATRE1 used for?
A: The AZ431AN-ATRE1 is used as an adjustable shunt regulator, often replacing Zener diodes in applications such as switching power supplies, chargers, and other adjustable voltage regulators. - Q: What are the key features of the AZ431AN-ATRE1?
A: Key features include programmable output voltage, high stability under capacitive load, low temperature offset, and low output noise. - Q: What is the operating temperature range of the AZ431AN-ATRE1?
A: The operating temperature range is from -40 to +125°C. - Q: What are the available packages for the AZ431AN-ATRE1?
A: The component is available in SOT23, TO92, and SOT89 packages. - Q: What is the maximum cathode voltage for the AZ431AN-ATRE1?
A: The maximum cathode voltage is 40V. - Q: What are the voltage tolerances available for the AZ431AN-ATRE1?
A: The voltage tolerances available are 0.4% and 0.8%. - Q: What is the typical sink current capability of the AZ431AN-ATRE1?
A: The sink current capability ranges from 1mA to 100mA. - Q: Is the AZ431AN-ATRE1 RoHS compliant?
A: Yes, the AZ431AN-ATRE1 is RoHS compliant. - Q: Where can I find detailed specifications for the AZ431AN-ATRE1?
A: Detailed specifications can be found in the datasheet available on Diodes Incorporated's official website or other electronic component databases. - Q: What are some common applications of the AZ431AN-ATRE1?
A: Common applications include chargers, voltage adapters, switching power supplies, graphic cards, and precision voltage references.
