A thermal pad is recommended under the IC to improve heat dissipation. A 2-layer PCB with a solid ground plane on the bottom layer and a small thermal relief pattern on the top layer is recommended.
To ensure stable output voltage regulation, it is recommended to use a 10uF or larger output capacitor with a low ESR (Equivalent Series Resistance) and to minimize the distance between the output capacitor and the LTR18EZPF1200.
Although the datasheet specifies a maximum input voltage of 18V, it is recommended to limit the input voltage to 15V to ensure reliable operation and to prevent damage to the internal circuitry.
While the LTR18EZPF1200 is rated for operation up to 125°C, it is recommended to derate the output current and input voltage at high temperatures to ensure reliable operation and to prevent overheating.
To minimize EMI, it is recommended to use a shielded inductor, to keep the input and output traces short and away from sensitive circuits, and to use a common-mode choke or ferrite bead on the input lines.
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