A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
Use a soft-start circuit to limit the inrush current during start-up, and ensure a controlled shutdown sequence to prevent voltage spikes and oscillations.
A low-ESR ceramic capacitor (e.g., X5R or X7R) with a value of 10-22uF is recommended to filter the input voltage and reduce noise.
Use a shielded enclosure, keep sensitive components away from the device, and use a common-mode choke or ferrite bead to filter the output voltage.
The maximum allowed output capacitance is 100uF. Exceeding this value may cause instability or oscillations.
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LTM4650AIY-1 Overview
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