Texas Instruments provides a recommended PCB layout in the REF2025QDDCRQ1 datasheet, which includes guidelines for component placement, routing, and thermal management. Following this layout can help minimize noise, reduce thermal resistance, and ensure optimal performance.
The REF2025QDDCRQ1 can deliver up to 25mA of output current. To handle this high current, it's essential to use a low-ESR capacitor (e.g., ceramic or film capacitor) at the output, and ensure the PCB traces and vias can handle the current density. Additionally, consider using a heat sink or thermal pad to dissipate heat generated by the device.
The REF2025QDDCRQ1's accuracy and stability are affected by the input voltage. The device is specified to operate from 4.5V to 18V, but the output voltage accuracy and stability are optimal when the input voltage is between 5V and 15V. Operating outside this range may result in reduced accuracy and stability.
To ensure a stable and noise-free output, use a low-noise input voltage source, decouple the input with a capacitor (e.g., 10uF), and use a noise-reducing capacitor (e.g., 10nF) at the output. Additionally, consider using a ferrite bead or a common-mode choke to filter out high-frequency noise.
During power-up, the REF2025QDDCRQ1's output voltage ramps up slowly to prevent overshoot and ensure a stable output. During power-down, the output voltage decays slowly to prevent voltage spikes. It's essential to ensure the input voltage rises and falls slowly to prevent damage to the device or other components in the circuit.
Trust Checks
This model has been provided by community users.
Community Provided
This model has been verified by system checks.
System Verified
This model has been reviewed by community users.
Community Approved
Sponsored
REF2025QDDCRQ1 Overview
Use the download button to access the REF2025QDDCRQ1 schematic symbol, PCB footprint, and 3D model.
To find more CAD model downloads similar to this part, try a partial part number search, like REF20,
or try a keyword search, such as Voltage References
About Texas Instruments
Texas Instruments (TI) designs and manufactures semiconductors and integrated circuits for a wide range of applications. The company's product portfolio includes analog chips, which are essential for managing power and signal functions in electronic devices, and embedded processors, which serve as the brains in various systems, enabling functionality in everything from industrial equipment to consumer electronics. TI's innovations in semiconductor technology have made it a leader in the industry.
