Description:Support is limited to customers who have already adopted these products.DC voltage stabilization circuits used in the latter part of AC/DC converters and so on. There are few external components, and creating the desired voltage is easy. In addition, noise characteristics are superior in comparison to switching power supplies.
The recommended PCB layout for optimal thermal performance involves placing the device on a thermal land with a minimum size of 1 inch x 1 inch, using a 2-ounce copper layer, and ensuring good thermal conduction to the surrounding copper area. Additionally, it's recommended to use thermal vias to connect the thermal land to the bottom layer of the PCB.
To ensure the device operates within the safe operating area (SOA), you should monitor the device's junction temperature, input voltage, and output current. Make sure to stay within the recommended operating conditions, and use thermal management techniques such as heat sinks or thermal interfaces to keep the junction temperature below the maximum rating.
The recommended input capacitor is a 10uF ceramic capacitor with a voltage rating of 50V or higher, and an ESR of 1 ohm or less. The recommended output capacitor is a 22uF ceramic capacitor with a voltage rating of 25V or higher, and an ESR of 1 ohm or less. However, the actual capacitor values may vary depending on the specific application and operating conditions.
During power-up, the enable pin (EN) should be held low until the input voltage has reached the minimum operating voltage. During power-down, the enable pin should be held low until the input voltage has dropped below the minimum operating voltage. This ensures that the device is properly enabled and disabled to prevent unwanted operation.
The recommended input voltage range for the UPC7808AHF-AZ is 7V to 36V. However, the device can operate with an input voltage as low as 6.5V, but with reduced performance and efficiency.
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UPC7808AHF-AZ Overview
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