Номер в каталоге : ISL85003
Function : Highly Efficient 3A Synchronous Buck Regulator
Производитель : Intersil
The ISL85003 and ISL85003A are synchronous buck regulators with integrated high-side and low-side FET’s. The regulator can operate from an input voltage range of 4.5V to 18V while delivering a very efficient continuous 3A current. This is all delivered in a very compact 4x3mm DFN package.
The ISL85003 is designed on Intersil’s proprietary fab process that is designed to deliver very low R DS(ON)FET’s with an optimized current mode controller wrapped around it. The high- side NFET is designed to have an RDS(ON)of 65mΩwhile the low-side NFET is designed to have an R DS(ON)of 45mΩ.
With these two FET’s, the device delivers very high efficiency power to the load. The ISL85003 can automatically switch between DCM and CCM for light load efficiency in DCM. The switching frequency in CCM is internally set to 500kHz.
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