The recommended layout and placement for the MAX544BCSA+ involves keeping the device away from high-current carrying traces, using a solid ground plane, and placing bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a solid ground plane is recommended. Additionally, the device should be placed near the power source to minimize voltage drops.
To ensure the MAX544BCSA+ is properly powered up and initialized, apply a clean and stable power supply to the device, and make sure the input voltage is within the recommended range. The device will automatically power up and initialize when the input voltage is applied. Additionally, the EN pin should be tied to a logic high to enable the device.
The MAX544BCSA+ can handle a maximum current of 100mA per channel. However, the total current drawn from the device should not exceed 200mA to ensure reliable operation and to prevent overheating.
The MAX544BCSA+ can be programmed to output a specific voltage using an external resistor divider network connected to the FB pin. The output voltage can be calculated using the formula: VOUT = 1.25V x (R1 + R2) / R2, where R1 and R2 are the resistors in the divider network.
The EN pin on the MAX544BCSA+ is an active-high enable input that allows the device to be turned on or off. When the EN pin is tied to a logic high, the device is enabled and will operate normally. When the EN pin is tied to a logic low, the device is disabled and will enter a low-power shutdown mode.
MAX544BCSA+ datasheet
by Maxim Integrated Products
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