A good PCB layout for the DS3695ATMX/NOPB involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended.
To ensure proper powering and decoupling, use a high-quality power supply with low ripple and noise, and add decoupling capacitors (e.g., 10uF and 100nF) close to the device's power pins. Additionally, use a 0.1uF capacitor between the VCC and GND pins.
The DS3695ATMX/NOPB has an operating temperature range of -40°C to 125°C. However, it's recommended to operate the device within a temperature range of -20°C to 85°C for optimal performance and reliability.
To troubleshoot issues with the DS3695ATMX/NOPB, start by verifying the input voltage, output load, and PCB layout. Check for noise and ripple on the input voltage, and ensure the output is properly decoupled. Use an oscilloscope to measure the output voltage and current, and consult the datasheet and application notes for guidance.
The DS3695ATMX/NOPB is a commercial-grade device, but it can be used in high-reliability applications with proper design, testing, and qualification. However, for aerospace applications, it's recommended to use a device with a higher temperature range and radiation-hardened design.
DS3695ATMX/NOPB datasheet
by Texas Instruments
