The recommended layout and routing for the MAX5190BEEG-T involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. A 4-layer PCB with a dedicated analog ground layer is recommended. Maxim Integrated provides a layout guide and evaluation board design files to help with the design process.
To ensure the accuracy and stability of the MAX5190BEEG-T's output voltage, it is essential to use high-quality, low-ESR capacitors, and to follow the recommended layout and routing guidelines. Additionally, the input voltage should be well-regulated, and the device should be operated within its specified temperature range. It is also important to minimize noise and interference on the input and output lines.
The maximum output current capability of the MAX5190BEEG-T is 150mA. However, the device can deliver higher currents for short periods of time. It is essential to ensure that the output current does not exceed the maximum rating to prevent overheating and damage to the device.
The MAX5190BEEG-T's output voltage can be programmed using three external resistors (R1, R2, and R3) connected to the VOUT pin. The output voltage is determined by the ratio of these resistors and can be calculated using the formula provided in the datasheet. The output voltage can be set to any value between 0.8V and 5.5V.
The EN (Enable) pin on the MAX5190BEEG-T is used to enable or disable the device. When the EN pin is pulled high, the device is enabled, and the output voltage is regulated. When the EN pin is pulled low, the device is disabled, and the output voltage is turned off. This pin can be used to implement power-saving modes or to shut down the device when not in use.
MAX5190BEEG-T datasheet
by Maxim Integrated Products
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