The recommended layout and placement for the TPS3801-01DCKR 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. A 4-layer PCB with a solid ground plane is recommended. Refer to the TI application note 'TPS3801 Layout and Placement Guidelines' for more information.
The choice of input and output capacitors for the TPS3801-01DCKR depends on the specific application requirements. A general guideline is to use low-ESR capacitors with a minimum capacitance of 10uF for the input and output. X5R or X7R ceramic capacitors are recommended. The capacitor selection should also consider the voltage rating, temperature range, and ripple current requirements.
The TPS3801-01DCKR can handle a maximum input voltage of 6.5V. Exceeding this voltage may damage the device. It's recommended to use a voltage regulator or a voltage limiter to ensure the input voltage stays within the recommended range.
The TPS3801-01DCKR has a built-in overvoltage protection (OVP) feature that can be enabled by connecting the OVP pin to a voltage divider network. The OVP threshold can be set by adjusting the voltage divider ratio. Refer to the datasheet for more information on implementing OVP with the TPS3801-01DCKR.
The typical startup time for the TPS3801-01DCKR is around 1ms. However, this can vary depending on the input voltage, output capacitance, and other application-specific factors. The startup time can be affected by the soft-start feature, which can be enabled or disabled depending on the application requirements.
TPS3801-01DCKR datasheet
by Texas Instruments
