BL9582B

BL9582B 32V, 1.4A Step-down High Brightness LED Driver with Internal Switch FEATURES DESCRIPTION z Simplelowpartscount z Internal 32V NDMOS switch z Up to 1.4A output current z Single pin on/off and brightness control using DCvoltageor PWM z Soft Start z High efficiency(up to 97%) z Wideinput voltagerange: 6V to 32V z Output shutdown z Up to 1MHz switching frequency z Inherent open-circuit LEDprotection z Typical 4% output current accuracy z High-side current sense z Hysteretic control: no compensation z Adjustable constant LED current z Over temperature protection z Pb-free SOT89-5 packages APPLICATIONS z Low voltage halogen replacement LEDs z Automotive lighting z Low voltage industrial lighting z LED back-up lighting z Illuminated signs z LCD TV backlighting The BL9582B is a continuous mode inductive step-down converter, designed for driving single or multiple series connected LEDs efficiently from a voltage source higher than the LED voltage. The device operates from an input ...