LM2641 controller equivalent, dual adjustable step-down switching power supply controller.
n 300 kHz fixed-frequency switching n Switching synchronization with an external signal up to 400 kHz n Optional pulse-skipping mode n Adjustable secondary feedback n Inp.
n Notebook and subnotebook computers n Wireless data terminals n Battery-powered instruments
Connection Diagram and Ord.
The LM2641 is a dual step-down power supply controller intended for application in notebook personal computers and other battery-powered equipment. Fixed-frequency synchronous drive of logic-level N-channel power MOSFETs is combined with an optional .
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