ROHM recommends a PCB layout with a thermal pad connected to a large copper area on the bottom layer, and multiple vias to dissipate heat efficiently. A minimum of 2oz copper thickness is recommended.
To ensure the LED is driven within its SOA, calculate the maximum forward current (IF) and voltage (VF) based on the application's requirements. Then, select a suitable resistor value for the current limiting resistor (R) using the formula: R = (VCC - VF) / IF.
Store the LTR18EZPFLR110 in a dry, cool place with a relative humidity of 60% or less, and a temperature range of 5°C to 30°C. Avoid exposing the device to direct sunlight, moisture, or extreme temperatures.
While the LTR18EZPFLR110 is rated for operation up to 85°C, it's essential to consider the derating curve for the device's forward current and voltage to ensure reliable operation. Consult ROHM's application notes for high-temperature applications.
The LTR18EZPFLR110's optical characteristics, including viewing angle and color temperature, are specified in the datasheet. For specific application requirements, consider using optical simulation tools or consulting with ROHM's application engineers.
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