The LT3667 step-down switching regulator with dual LDO outputs in a 3 mm x 5 mm QFN or MSOP-16E operates from a VIN range of 4.3V to 40V with transient protection to 60V. Its internal 600-mA internal switch delivers up to 400 mA. The primary switching channel delivers outputs as low as 1.2V. Other features include 50 µA of quiescent current when all three channels are in regulation and a programmable switching frequency from 250 kHz to 2.2 MHz. Pricing starts at $2.55 each/1,000. For more info, visit http://www.linear.com/product/LT3667
Linear Technology Corp.