Weighing in at half the size of discrete topologies, the CSD86350Q5D power block achieves greater than 90% efficiency at 25A. The 5 mm x 6 mm SON-outline package combines two asymmetric NexFET power MOSFETs in a package that can generate up to 40A with a switching frequency up to 1.5 MHz. Pricing for the CSD86350Q5D is $1.75 each/1,000. TEXAS INSTRUMENTS INC., Dallas, TX. (800) 477-8924.