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LM2640 Datasheet, National Semiconductor

LM2640 controller equivalent, dual adjustable step-down switching power-supply controller.

LM2640 Avg. rating / M : 1.0 rating-13

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LM2640 Datasheet

Features and benefits

n 200 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.

Application

n Notebook and subnotebook computers n Wireless data terminals n Battery-powered instruments Connection Diagram and Ord.

Image gallery

LM2640 Page 1 LM2640 Page 2 LM2640 Page 3

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