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 and a thermal relief pattern are also recommended.
ROHM recommends using a low-ESR output capacitor (less than 10 ohms) to ensure stable operation. If a high-ESR capacitor is used, additional stabilization components (e.g., a zero-ohm resistor or a capacitor in parallel) may be required.
The maximum allowed voltage on the EN pin is 6V, which is higher than the recommended operating voltage of 5V. However, it's essential to ensure that the EN pin voltage does not exceed the maximum rating to prevent damage to the device.
The BD18342FV-ME2 is rated for operation up to 105°C. However, the device's performance and reliability may degrade at high temperatures. ROHM recommends derating the output current and voltage according to the temperature derating curve in the datasheet.
The POR function is internally implemented in the BD18342FV-ME2. During power-up, the device will automatically reset when the input voltage reaches the POR threshold (around 2.5V). No external components are required to handle the POR function.
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BD18342FV-ME2 Overview
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