BCR450 RoHS
BCR450 Power LED Driver IC
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Features •Low voltage drop across sense resistor, 0.15 V typical •High output current precision •Operating voltage fro 8 to 27 V •Over voltage protection •Overtemperature current foldback and Thermal shut down function •Adjustable Constant LED Current up to 85 mA in stand alone operation •Precise Internal bandgap enables High output current accuracy •Up to 2.5 A LED current possible by using external transistor •EN Input for PWM LED brightness control and On/Off control •Very Low Standby Current •Minimum number of external components required, no inductors •Very small SC-74 package: 2.9 mm x 2.5 mm x 1.1 mm Benefits •High level of colour control due to high output current precision •Small space requirement •No electro- magnetic interference •Active thermal monitoring of chip and LED temperature with current fold- back to avoid thermal overstress •Low cost device •Scalable output stage optimizing cost and space Typical Applications •General lighting e.g. retrofits •Architectural lighting, Medical and Dental lighting •Transportation like train and aircraft lighting •Strobe lighting •Universal constant current source •Signal and marker lights for orientation or navigation •LED controller for industrial applications, not qualified to AECQ-100
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