RF & Protection Devices

BCR205W - Linear LED Controller with Ultra-Low Voltage Overhead

Application example using the BCR108 digital transistor for a typical output current of 30mA

BCR205W is an easy-to-use LED controller with a minimum supply voltage just 0.2V higher than the forward voltage of LEDs. As a result, it can be used to control the maximum number of LEDs in series.

The controller features a scalable external output stage, which gives developers the freedom to use different LED types. BCR205W is ideal for driving low- power LEDs with up to 80mA driving current in combination with a bipolar transistor such as BC817K-40.

Operating voltage: [ 0,2V + VfLED ] to 18V  Output current: 5mA to 88mA with external transistor Tailored to drive LEDs up to 0,2W Only 0,2V voltage overhead at 30mA LED current Typical 3% output current accuracy RoHs complient (pb-free) Small SOT343 package

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