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Buck-Boost Regulators
Buck-Boost Regulators: thanks to the step-up/step-down topology, it can flexibly support a wide input voltage range and wide output voltage range. It is able to effectively regulate the output voltage no matter it is higher, lower or equal to the input voltage. The synchronous switch controller can drive the external MOSFET directly, so it can provide the  wider voltage, higher current/ higher powe 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 BOMfor the system.
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Part NumberVIN (min)VIN (max)Vout (min)Vout (max)Iout(Max)MOSSwitching frequency(Min)(kHz)Switching frequency(Max)(kHz)FeaturesPackage
SC87012.7V36V2.7V36V5A~10Aext.200kHz600kHzQFN 4x4
SC87032.7V28V2.7V28V5A~10Aext.200kHz600kHzQFN 4x4
SC87063.5v24v3V24V6.4Aext.400kHz1200kHzOOA; Integrated 10-bit high accuracy ADC; Output voltage dynamic controlQFN 4x4
SC89032.7V22V2.7V22V5Aint.230kHz460kHzQFN 6x6
SC8903A2.7V22V2.7V22V5Aint.230kHz460kHzNo Short protectionQFN 6x6
SC87212.7V22V2.4V22V5Aint260kHz 920kHz2.4V short circuit VthQFN 4x4
SC8721A2.7V22V0.7V22V5Aint260kHz 920kHz0.7V short circuit VthQFN 4x4
SC8721B2.7V22V0.7V22V5Aint260kHz 920kHzNo short circuit protection, for e-cigar applicationQFN 4x4
SC87232.7V22V3V22V3.5Aint250kHz1MHzNo external current sense resistors; QFN 3x3
SC87242.7V22V3V22V3.5Aint250kHz1MHzNo external current sense resistors; Enhanced package for better thermal dissipationQFN 4x4
SC87512.7V5.5V3V5.2V2Aint1.5MHz18μA Low Iq; Programmable Output Voltage Transition Time;Output Fast DischargeCSP2.135x2.135-15
SC88152.7V36V2.7V28V5A~10Aext.150kHz450kHzQFN 4x4
SC89152.7V36V2.7V28V5Aint. (2)150kHz450kHzQFN 5x5
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