Say, with nominal output voltage of 12V, dropping down to maybe no lower=20 than 8V as Vin goes down to 10V. Output current ~1A. Couldn't find anything off-the-shelf. Considering cascading several=20 switching supplies, are there any better options? Potential volumes are in= =20 the thousands. Vitaliy --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .