http://cds.linear.com/docs/cn/design-note/DN317%20sim_chs.pdf
http://cds.linear.com/docs/en/datasheet/1961fa.pdf
LT1961 升压型稳压器造就了兼具升压和降压能力的扁平状SEPIC
原文：http://www.cnblogs.com/shangdawei/p/4131773.html
