INTERLEAVED BOOST交叉升压转换器.pdf

MODEL : 8-24V 2A CONVERTER REV : 01 Write by : Wink Fang Date: 2007 03 30 Toplogy: dcdc converter-Boost interleave 1.Abstract This is a power design program for personal practice ! wink.feng@163.com D 1 VIN V O U T L 1 C IN C O Q 1 D 2 L 2 Q 2 Advantages : lower sw current stress, Disadvantages :Hi cost ,two switch/inductor/diode, lower output ripple complex control better load transit response. smaller out put cap requirement smaller magnetics automatic Current sharing . 1.Abstract 2.Symbol and units define 2.1 Design units define 3 − 6 − 9 − 12 − 5 k : 10 μ : 10 n : 10 p : 10 mil 2.54 × 10 m Oz : 0.035mm − 6 H μ0 : 0.4π ⋅ 10 The magnetic permeablity of vacuum m − 8 ρ_Cu : 1.69 ⋅10 Ω⋅m The copper resistance coefficient A J_Cu : 5 2 The copper wire current density mm 2.2 Symbols define