Datasheet Details
Part number:
LM2641
Manufacturer:
National Semiconductor
File Size:
466.72 KB
Description:
Dual adjustable step-down switching power supply controller.
LM2641_NationalSemiconductor.pdf
Datasheet Details
Part number:
LM2641
Manufacturer:
National Semiconductor
File Size:
466.72 KB
Description:
Dual adjustable step-down switching power supply controller.
LM2641, Dual Adjustable Step-Down Switching Power Supply Controller
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 pulse-skipping mode to achieve ultra efficient pow
LM2641 Features
* 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
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