HV9861A

HV9861A LED Driver with Average-Mode Constant Current Control Features Fast average current control Programmable constant off-time switching PWM / linear dimming input Output short circuit protection with skip mode Ambient operating temperature -40°C to +125°C Pin-compatible with the HV9910B and HV9961 Applications DC/DC or AC/DC LED driver applications LED back-light driver for LCD displays General purpose constant current source LED signage and displays Architectural and decorative LED lighting LED street lighting Description HV9861A is a patented, average-mode, constant-current control, LED driver IC operating in a constant offtime mode. Unlike the HV9910B, this control IC does not produce a peak-to-average error, which therefore greatly improves the accuracy, line and load regulation of the LED current without any need for loop compensation or high-side current sensing. The output LED current accuracy is ±3%. The IC is equipped w...