STMicroelectronics provides a recommended PCB layout in the application note AN4953, which includes guidelines for component placement, thermal management, and routing to ensure optimal performance and minimize electromagnetic interference (EMI).
The selection of external components such as resistors, capacitors, and inductors depends on the specific application and operating conditions. STMicroelectronics provides a component selection guide in the application note AN4953, which includes recommendations for component values and types.
The BD680A is rated for operation from -40°C to 150°C, but the maximum operating temperature range may vary depending on the specific application and operating conditions. It's recommended to consult the datasheet and application notes for more information.
The BD680A has a built-in overcurrent protection feature that can be enabled by connecting a sense resistor to the CS pin. The sense resistor value should be chosen based on the maximum current rating of the device and the desired overcurrent threshold. STMicroelectronics provides more information on overcurrent protection in the application note AN4953.
The recommended startup sequence for the BD680A involves applying the input voltage, followed by the enable signal, and then the clock signal. This sequence ensures that the device starts up correctly and avoids any potential issues with the internal voltage regulators.
BD680A datasheet
by STMicroelectronics
