The OB6663LQPA with Switching Controllers SOP-16_150mil RoHS is a 16-pin Voltage-Mode PWM Controller IC manufactured by On-Bright. It is designed for high-efficiency, accurate, synchronous step-down converters and is capable of operating between an input voltage range of 4.4V to 36V. The device has over 99% efficiency as well as low ripple and EMI noise. It also comes with active high/low shutdown, peak current control, soft start and hiccup mode short-circuit protection. The IC can be used in notebook adapters, set-top boxes and other portable applications. It is RoHS compliant and available in an SOP-16_150mil package.