The AME431BAJFTB25Z is a precision adjustable shunt regulator manufactured by Analog Microelectronics. This three-terminal adjustable voltage reference offers excellent temperature stability and is ideal for use in a variety of voltage regulation applications. It can function as a stable voltage reference or error amplifier in closed-loop feedback control systems. The device's adjustable output voltage capability allows for flexibility in circuit design.

Applications:

• Linear Regulators
• Switching Power Supplies
• Voltage Monitoring
• Instrumentation
• Data Acquisition Systems

Features:

• Adjustable Output Voltage: Can be set to any voltage between Vref (typically 2.5V) and 36V using external resistors.
• Low Temperature Coefficient: Provides stable voltage reference over a wide temperature range.
• Low Output Noise: Minimizes noise in the regulated output voltage.
• Sink Current Capability: Operates with a wide range of cathode currents.
• Precision Reference Voltage: Offers a tight tolerance on the reference voltage.
• TO-92 Package: Easy to use through-hole package.

Benefits:

• Stable Voltage Reference: Provides a reliable and accurate voltage reference for various applications.
• Design Flexibility: Adjustable output voltage allows for customization of the regulated voltage.
• Improved Performance: Low noise and temperature coefficient contribute to improved system performance.
• Reduced Component Count: Can be used as a replacement for Zener diodes in many applications.
• Cost-Effective: Provides a high-performance voltage reference at a competitive cost.

Additional Details:

The AME431BAJFTB25Z operates by comparing its internal reference voltage to a fraction of its output voltage, which is determined by an external resistor divider network. This allows the user to adjust the output voltage to the desired level. The device's low temperature coefficient ensures that the output voltage remains stable over a wide range of operating temperatures. The cathode current must be limited to prevent damage to the device. Proper decoupling capacitors should be used to minimize noise and ensure stable operation. Consult the datasheet for specific voltage and current ratings.