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.
To ensure stable operation with high-frequency switching, ROHM recommends using a low-ESR capacitor (e.g., ceramic or film capacitor) with a value of 10nF to 100nF between the VIN and GND pins, and a decoupling capacitor (e.g., 100nF to 1uF) between the VCC and GND pins.
The maximum allowed voltage on the EN pin is 6V, which is the same as the maximum rating for the VIN pin. Exceeding this voltage may damage the device.
While the PDZVTR11B is rated for operation up to 125°C, ROHM recommends derating the output current and voltage to ensure reliable operation in high-temperature environments. Consult the datasheet and ROHM's application notes for guidance.
ROHM recommends checking the input voltage, output voltage, and current consumption to identify the root cause of any issues. Also, ensure that the PCB layout and component selection meet the recommended guidelines. If issues persist, contact ROHM's technical support for further assistance.
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PDZVTR11B Overview
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