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问 如下图,48v输入,输出8组相互串联的稳压5v,电流2A,可能吗?如何实现?

48V---/\/\/\ -----+
                  |
                  +-----
                        5V稳压输出1
                  +-----
                  |
                  +-----
                        5V稳压输出2
                  +-----
                  |
                  +-----
                        5V稳压输出3
                  +-----
                  |
                  +-----
                        5V稳压输出4
                  +-----
                  |
                  +-----
                        5V稳压输出5
                  +-----
                  |
                  +-----
                        5V稳压输出6
                  +-----
                  |
                  +-----
                        5V稳压输出7
                  +-----
                  |
                  +-----
                        5V稳压输出8
                  +-----
                  |
                  |
0V----------------+








答 1: 理论上可以,用并联稳压但是你的输出电流太大,很难实现
各电源不公地,而且功耗太大 答 2: RE:诚如jiangyu所说，不能这样做，只能分别实现。
由于压差较大，电流也不小，建议用DC/DC实现，或使用专用模块。 答 3: 好做，8个隔离的dc模块，然后串起来，嘿嘿 答 4: 如jiangyu所说，如果电流不大，比如５０ma，可否用tl431实现呢？