LM2641 Datasheet

The LM2641 is a Dual Adjustable Step-Down Switching Power Supply Controller.

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Part NumberLM2641
ManufacturerNational Semiconductor
Overview 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-c. 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 Input undervoltage lockout n Output undervoltage shutdown protection n Output overvoltage shutdown protection n Programmable soft-sta.
Part NumberLM2641
DescriptionDual Adjustable Step-Down Switching Power Supply Controller
ManufacturerTexas Instruments
Overview 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 Nch. 1
*2 300 kHz Fixed-Frequency Switching
* Switching Synchronization with an External Signal up to 400 kHz
* Optional Pulse-Skipping Mode
* Adjustable Secondary Feedback
* Input Undervoltage Lockout
* Output Undervoltage Shutdown Protection
* Output Overvoltage Shutdown Protection
* Programmable Soft-.