CAMARILLO, Calif.----Semtech Corp. , a leading supplier of analog and mixed-signal semiconductors, today announced the latest device in its buck controller platform. The new SC283 is the world’s smallest 1.8A dual-channel regulator for point-of-load applications, combining two step-down regulators in an ultra-small, low-profile 2 x 3 x 0.8mm, 18-pad MLPQ package.