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升压电路的奇怪现象

Other Parts Discussed in Thread: LMR62014

网友 hdp7891000 在21ic 模拟技术 论坛问以下问题:

http://bbs.21ic.com/icview-584052-1-1.html

各位大侠!
     小弟使用TI的lmr62014做了一个3V转5V的稳压电源。按照其手册标准电路修改的。现在遇到一个极其诡异的现象:
空载时:能输出正确的电压5V,带了100mA的负载,输出电压却升到了将近7V!!!人家都是带不动负载,我这越带载输出电压越高,这是什么情况?