The AZ431AN-ATRE1 is a highly accurate three-terminal adjustable shunt regulator IC,offering excellent thermal stability and a very low temperature coefficient,ensuring reliable performance over the entire operating temperature range.As an ideal replacement for traditional Zener diodes,this chip is widely used in applications such as switching power supplies,chargers,and other precision voltage regulation circuits.It allows for easy setting of output voltages between VREF(2.5V)and 36V.
This product is available with voltage accuracy options of 0.4%and 0.8%to meet different precision requirements.Package options include TO92,SOT23,and SOT89,making it suitable for various applications.
Datasheet:
Parameter | Value |
Brand | DIODES |
Product Category | Reference Voltage Regulators |
RoHS | Compliant |
Mounting Style | SMD/SMT |
Package/Case | SOT-23-3 |
Output Voltage Range | 2.5V to 36V |
Initial Accuracy | 0.4% |
Temperature Coefficient | 20 PPM/°C |
Maximum Shunt Current | 100 mA |
Minimum Operating Temperature | -40°C |
Maximum Operating Temperature | +125°C |
Input Voltage | 4.5V |
Minimum Shunt Current | 1 mA |
Maximum Supply Current | 4 µA |
Moisture Sensitivity | Yes |
Unit Weight | 8 mg |
Product Features:
Programmable Output Voltage:Ranges from 2.5V to 36V
High Stability:Performs excellently even under capacitive load conditions
Low Temperature Deviation:Typical value of 4.5mV
Low Temperature Coefficient:Typical value of 20 PPM/°C for stable output over the entire temperature range
Shunt Current Capability:From 1mA to 100mA,making it highly adaptable for different applications
Low Output Noise:Ensures high precision and stable operation in circuits
Wide Operating Temperature Range:From-40°C to+125°C
Eco-friendly Design:Lead-free packaging,RoHS compliant
Application:
Chargers:Efficient voltage regulation to enhance charger performance
Voltage Adapters:Precisely controls output voltage to ensure safe device operation
Switching Power Supplies:Suitable for power systems requiring accurate voltage regulation
Graphics Cards:Provides stable reference voltage,improving the efficiency of graphics cards
Precision Voltage References:Ideal for high-precision electronic circuits as a reference voltage
Typical Application Scenarios:
The AZ431AN-ATRE1 is widely used in applications requiring high voltage accuracy,such as switching power supplies,chargers,and graphics cards.Its excellent thermal stability and wide voltage adjustment range make it well-suited for use in consumer electronics,industrial automation,and medical devices.
AZ431AN-ATRE1 Functional Block Diagram
AZ431AN-ATRE1 Package Outline Dimensions