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DESCRIPTION：

 

The SCT2464 is 6A synchronous buck converters with wide input voltage, ranging from 3.5V to 36V, which integrates a 30mΩ high-side MOSFET and a 18mΩ low-side MOSFET. The SCT2464, adopting the peak current mode control, supports the Pulse Skipping Modulation (PSM) with typical 13uA (VBIAS=5V) low quiescent current which assists the converter on achieving high efficiency at light load or standby condition.
The SCT2464 features adjustable switching frequency from 200kHz to 1.8MHz with an external resistor, which provides the flexibility to optimize either efficiency or external component size. The converter supports external clock synchronization with a frequency band from 200kHz to 1.8MHz. The SCT2464 allows power conversion from high input voltage to low output voltage with a minimum 60ns ontime of high-side MOSFET.
The SCT2464 is an Electromagnetic Interference (EMI) friendly buck converter with implementing optimized design for EMI reduction. The SCT2464 features Frequency Spread Spectrum FSS with ±6% jittering span of the 500kHz switching frequency and modulation rate 1/512 of switching frequency to reduce the conducted EMI. 
The SCT2464 offers cycle-by-cycle current limit and hiccup over current protection, thermal shutdown protection, output over-voltage protection and input voltage under-voltage protection. The device is available in 3.5mm*4mm QFN-14L package.

 

 

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