The recommended layout and placement for the TPS3838E18DBVT involves placing the device close to the power source, using a solid ground plane, and keeping the input and output capacitors close to the device. Additionally, it is recommended to use a low-ESR capacitor for the output capacitor and to minimize the distance between the device and the load.
When choosing an output capacitor for the TPS3838E18DBVT, consider the capacitance value, equivalent series resistance (ESR), and voltage rating. A general rule of thumb is to use a capacitor with a capacitance value of at least 10uF, an ESR of less than 100mΩ, and a voltage rating that exceeds the output voltage of the device.
The TPS3838E18DBVT can handle a maximum input voltage of 18V. Exceeding this voltage may damage the device or affect its performance.
The output voltage of the TPS3838E18DBVT can be adjusted by using a resistive divider network between the output pin and the ground pin. The output voltage is determined by the ratio of the resistors in the divider network.
The typical startup time for the TPS3838E18DBVT is around 10ms. However, this time may vary depending on the input voltage, output voltage, and load conditions.
TPS3838E18DBVT datasheet
by Texas Instruments
