The recommended PCB footprint for the SI7464DP-T1-GE3 is a standard SOT23-6 package with a 1.8mm x 1.35mm body size. A minimum pad size of 0.5mm x 0.5mm is recommended for reliable soldering.
To ensure proper biasing, connect the input pin (VIN) to a stable voltage source between 2.5V to 5.5V, and the enable pin (EN) to a logic-level signal (0V or VIN). The output pin (VOUT) should be decoupled with a 1uF ceramic capacitor to ensure stability.
The SI7464DP-T1-GE3 is capable of delivering up to 1A of continuous output current. However, it's recommended to derate the output current to 0.8A for optimal reliability and thermal performance.
To protect the SI7464DP-T1-GE3 from overvoltage and undervoltage conditions, consider adding a voltage supervisor or a reset IC to monitor the input voltage and reset the device if it falls outside the recommended operating range.
The thermal resistance of the SI7464DP-T1-GE3 package is approximately 120°C/W (junction-to-ambient) and 30°C/W (junction-to-case). Proper thermal design and heat sinking are recommended to ensure reliable operation.
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SI7464DP-T1-GE3 Overview
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