With the solid-state lighting market turning increasingly to high-current and high brightness LEDs, Infineon is now launching a new driver in the form of the BCR450. This device particularly targets high-current applications from 65 mA to 2,5 A, using an external boost transistor to ensure low voltage drop.
The BCR450 is ideal for advertising and architectural lighting. Since it is a linear driver and does not cause electromagnetic interference issues, it is also suitable for use in aircraft and other EMI-sensitive applications. It is housed in a small 6-pin SC74 package, as a result of separating the chip from the simple power stage.
Output current is accurate to ±1,5% at 25°C and 10% over the entire temperature range. The driver incorporates thermal shutdown as well as over-voltage and over-current protection, and features ESD protection class 4 kV HBM.
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