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LM3478实现的隔离电源电路，输入27V左右，输出5V，8V，15V三组独立隔离电源。
亲，原理图见数据表图一，将电感L1换成LM2587数据表中图12的变压器类似型号即可。因你需要隔离，反馈需要用光耦+TL431隔离反馈。每路变压器整流独立输出。
因只反馈一路，建议取功率最大；要求比较高的做反馈。其它几路会随负载略微有波动。
