AN1686 L5991临时额外的功率能力为基础的转换

AN1686 L5991临时额外的功率能力为基础的转换

AN1686
APPLICATION NOTE
AN L5991-BASED CONVERTER WITH
TEMPORARY EXTRA POWER CAPABILITY
by C. Adragna




In some applications the SMPS, normally supposed to deliver a certain amount of power, from time to
time undergoes load peaks that can be even two or more times as much. Such peaks are often too long
to be properly handled by oversizing the output capacitors, but short if compared to the thermal time
constants of the power comp