ROHM recommends a thermal pad on the bottom of the package, connected to a large copper area on the PCB to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended, and the thermal pad should be connected to a ground plane or a dedicated heat sink.
To ensure stable output voltage regulation, it's essential to follow the recommended input and output capacitor values, as well as the PCB layout guidelines. Additionally, the input voltage should be within the recommended range, and the output load should be within the specified current rating.
The maximum allowed input voltage ripple for the R6520ENX is 1Vp-p. Exceeding this value may affect the regulator's performance and stability.
The R6520ENX is rated for operation up to 105°C, but it's essential to consider the derating curves for output current and power dissipation at high temperatures. Additionally, the PCB and surrounding components should be designed to withstand the high-temperature environment.
The R6520ENX has built-in overcurrent protection, but it's still recommended to add external protection components, such as fuses or PTC thermistors, to prevent damage from excessive current or short-circuit conditions.
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R6520ENX Overview
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