dcdc技术不可多得的技术资料
图5d. 1A负载时的输出电压和控制电压(20ms/div，CH1：1V/div，CH2：5V/div)
总结
根据初步的行业调查，空载条件下具有低功耗的商用化隔离型DC-DC转换器通常具有大约20mA的最小电流损耗。因此，如果设计人员采用PFM方案，可以轻松实现低IQ、低电流损耗的隔离电源。本文所介绍
的电源在空载条件下电流损耗只有0.24mA。
参考文献
1. Maxim Integrated Products应用笔记664, "Feedback Isolation Augments Power-Supply Safety and
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2. J. Ig. Garate, J. M. de Diego, "Consequences of Discontinuous Current Consumption on Battery
Powered Wireless Terminals" [ISIE06, Paris, France, Oct. 2006].
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