Panasonic recommends a 4-layer PCB with a solid ground plane, and a separate power plane for the input and output stages. Additionally, keep the input and output traces as short as possible and avoid routing them near each other to minimize noise coupling.
Ensure good thermal design and heat dissipation by providing a heat sink or thermal pad, and keeping the device away from heat sources. Also, consider the thermal resistance of the PCB and the ambient temperature to ensure the device operates within its specified temperature range of -40°C to 125°C.
Panasonic recommends using 10uF to 22uF ceramic capacitors for input and output decoupling, and 100nF to 1uF ceramic capacitors for bypassing. The exact values may vary depending on the specific application and operating frequency.
To prevent damage or malfunction, ensure that the input voltage (VIN) is applied before the enable signal (EN). During power-down, ensure that the enable signal is turned off before the input voltage is removed. A soft-start circuit can also be used to control the power-up sequence.
The maximum allowed voltage drop across the input pins (VIN to GND) is 5.5V, and across the output pins (VOUT to GND) is 3.3V. Exceeding these voltage drops may cause the device to malfunction or fail.
DSA9001R0L datasheet
by Panasonic Electronic Components
