MP44010 View Datasheet(PDF) - Monolithic Power Systems
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Description
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MP44010 Datasheet PDF : 15 Pages
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MP44010 – BOUNDARY MODE PFC CONTROLLER
Case 2:
At light load, the power loss can be saved by
inserting LN60A01 to disconnect the resistor of
voltage divider. The implement circuit is shown in
the Figure 7.
At light load, the pin 9 of HR1000 is asserted low
when it operates at burst mode, and the signal
generated from pin 9 is applied to synchronize
the ON/OFF of MP44010; it also can drive
LN60A1 to connect or disconnect resistor of
voltage divider at the same time. And the control
signal of LN60A01 also can be external signal
from MCU system. For more details, please refer
to AN of MP44010.
Figure 7—Power Consumption Reduction with LN60A01
MP44010 Rev. 1.12
www.MonolithicPower.com
12
4/14/2014
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