发明授权
US07071666B2 Switching power supply, and method and circuit for regulating output of the same 失效
开关电源,以及用于调节其输出的方法和电路

Switching power supply, and method and circuit for regulating output of the same
摘要:
An output voltage of a switching power supply is regulated to a target value. When the target value of the output voltage is altered, the reference value is changed monotonously and linearly a plurality of times at a plurality of gradients to the altered target value. An input voltage of the power supply is switched in response to a switching pulse with the duty ratio calculated according to a difference between the reference value and the output voltage.
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