A good PCB layout for the L99H01QF involves placing the device close to the battery, using a solid ground plane, and keeping the power traces short and wide. It's also recommended to use a 4-layer PCB with a dedicated power plane and a dedicated ground plane.
The values of the external resistors and capacitors depend on the specific application and the desired performance. A good starting point is to use the values recommended in the datasheet, and then adjust them based on the results of simulations and experiments.
The L99H01QF can operate over a temperature range of -40°C to 125°C, but the maximum operating temperature range depends on the specific application and the desired performance. It's recommended to consult the datasheet and the application notes for more information.
To ensure proper power-on and power-off, it's recommended to use a soft-start circuit to limit the inrush current, and to use a power-on reset circuit to ensure that the device is properly reset after power-on.
Common pitfalls to avoid when designing with the L99H01QF include not following the recommended PCB layout, not using the correct values for the external resistors and capacitors, and not properly powering on and off the device.
L99H01QF datasheet
by STMicroelectronics
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