A good PCB layout practice is to keep the REF3033AIDBZR away from high-current carrying traces and noisy components. Use a solid ground plane and keep the input and output traces short and direct. Additionally, decouple the input voltage with a 10uF capacitor and use a 10nF capacitor to filter the output voltage.
To ensure stability and accuracy over temperature, make sure to follow the recommended operating conditions, including the input voltage range and operating temperature range. Also, use a stable input voltage source and decouple the input voltage with a capacitor. Additionally, consider using a thermally conductive material to dissipate heat away from the device.
The recommended input voltage range for the REF3033AIDBZR is 4.5V to 18V. Operating the device outside of this range may affect its accuracy and stability.
The output voltage tolerance of the REF3033AIDBZR can be calculated by adding the initial accuracy error (±0.05% at 25°C) to the temperature coefficient error (±10ppm/°C). This will give you the total output voltage tolerance over the operating temperature range.
No, the REF3033AIDBZR is a voltage reference, not a voltage regulator. It is designed to provide a stable voltage reference, but it does not have the capability to regulate the output voltage. If you need a voltage regulator, consider using a separate voltage regulator IC.
REF3033AIDBZR datasheet
by Texas Instruments
