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The SPX432AN-L is a low voltage adjustable precision shunt regulator manufactured by Sipex. It functions as a three-terminal voltage reference with an output voltage range programmable from 1.25V to 18V using two external resistors. The device features high stability under capacitive loads, low temperature deviation, and low dynamic output resistance. It supports a wide operating temperature range of -40°C to 125°C and is available in lead-free packaging compliant with RoHS standards.
Verify the manufacturer origin, as Sipex assets were acquired by Exar and subsequently integrated into other entities. Confirm the package type matches the specific suffix requirements for your board layout. Ensure the component meets current environmental compliance standards required for your region. Cross-reference the datasheet revision to confirm pinout compatibility with existing designs.
Select this component when a stable, adjustable reference voltage is needed in a compact form factor. Consider its low dynamic output resistance for applications requiring fast transient response. Evaluate the thermal performance within the specified operating temperature range. Verify that the external resistor network allows for the desired output voltage setting within the 1.25V to 18V limit.
This part belongs to the SPX432 series of low voltage adjustable precision shunt regulators. These devices are designed to replace traditional Zener diodes in many applications due to their superior regulation characteristics. The series offers improved stability and lower noise compared to standard reference components, making them suitable for sensitive analog circuitry.