A good PCB layout for the MAX9117EXK-T involves keeping the analog and digital grounds separate, using a solid ground plane, and placing the device close to the power supply. Additionally, it's recommended to use a 4-layer PCB with a dedicated analog layer to minimize noise and crosstalk.
The MAX9117EXK-T requires a single 2.7V to 5.5V power supply. It's recommended to power the device with a clean, low-noise power supply, and to sequence the power-on in the following order: VCC, then VIN. The device also has an internal power-on reset circuit that ensures the device is properly reset during power-up.
The MAX9117EXK-T can handle input voltages up to 5.5V. The device has an internal overvoltage protection circuit that limits the input voltage to 5.5V, and it also has a built-in voltage limiter that prevents the output from exceeding 5.5V.
To optimize the MAX9117EXK-T for low-power operation, it's recommended to use the shutdown mode (SHDN) pin to power down the device when not in use. The device also has a low-power mode that reduces the quiescent current to 1.5µA. Additionally, the device can be put into a standby mode by pulling the SHDN pin low, which reduces the quiescent current to 0.1µA.
The recommended operating temperature range for the MAX9117EXK-T is -40°C to +125°C. The device has a built-in thermal shutdown circuit that protects the device from overheating. If the junction temperature exceeds 150°C, the device will shut down to prevent damage.
MAX9117EXK-T datasheet
by Maxim Integrated Products
