Linear Technology has introduced a 2.5W output DC/DC converter with 2kVAC galvanic isolation in a 9mm x 15mm x 4.92mm ball grid array (BGA) package.
The isolated transformer, control circuitry, power switches, and a modest amount of input and output capacitance are encased in the BGA package.
A minimum creepage distance of 4.3mm on the package exterior supports operation at a working voltage up to 400VRMS in a pollution degree 2 environment. This classification is important as it affects parameters required to ensure safe operation of the product.
Pollution degree 2 refers to an environment where normally only non-conductive pollution or temporary condensation may occur, such as in offices, laboratories and test stations.
The isolated µModule converter operates from an input voltage of 3.1V to 31V, delivering a regulated output voltage on the secondary side, adjustable from 1.8V to 12V with ±5% accuracy over temperature.
Even if input voltage is above, below or equal to the desired output voltage, says the supplier, the internal flyback architecture enables the LTM8046 to maintain output voltage regulation.
It will deliver the full 2.5W output power at ambient temperatures up to 100°C with no forced airflow.
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