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Step Down (Buck) Regulators

Buck Regulators: The Buck regulator is a DC-to-DC power regulator , which steps down voltage from its input (supply) to its output (load).  It has two kinds of structures: converter and controller.

The synchronous switch controller can drive the external MOSFET directly, so it can provide the  wider voltage, higher current/ higher power with better thermal performance.. The synchronous converter, which integrates ultra-low Rdson power MOSFET, provides a high-efficiency power conversion solution with high integration, high density and simplified total solution BOM for the system.

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Part NumberVIN (min)VIN (max)Vout (min)Vout (max)Ipeak(Max)MOSSwitching frequency(Min)(kHz)Switching frequency(Max)(kHz)Package
SC80012.7V36V2.7V36V5A~10Aext.200kHz 600kHzPrg, VOUT by PWM;Input current limit
SC8001A2.7V36V2.7V36V5A~10Aext.200kHz 600kHzadj. UVLO;Input current limit
SC80024.6V36V4.6V36V5A~10Aext.80kHz 600kHzAdjustable peak current limit
SC80142.7V36V2.7V36V6Aext.150kHz450kHzVoltage adjust by PWM
SC81024.6V36V4.6V36V6Aint.80kHz 600kHzDual DPDM port (BC1.2) interface
SC8102A4.6V36V4.6V36V6Aint.80kHz 600kHzDPDM port (BC1.2) + Type-C
SC81034.6V36V4.6V36V4.5Aint.80kHz 600kHzDPDM port (BC1.2) + Type-C
SC81114.6V36V4.6V36V6Aint.80kHz 600kHzDual DPDM port (BC1.2)
SC8112A4.6V36V4.6V36V6Aint.80kHz 600kHzDPDM port (BC1.2) + Type-C
SC81124.6V36V4.6V36V6Aint.80kHz 600kHzDual DPDM port (BC1.2)
SC81014.6V32V4.6V32V5AInt.80kHz1.2MHzExternal low-side power-MOS driver
SC81715V100V1.2V100V1.2AInt.100kHz 1MHzLow Iq, COT with fast load transient
SC81052.3V5.5V0.6V5.5V2AInt./2.2MHzSOT563-6
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