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Buck-boost DCDC
Buck Boost Regulators, thanks to the boost voltage architecture, can flexibly support a wide input/output voltage range: regardless of whether the output voltage is higher, lower, or equal to the input voltage, it can achieve the desired voltage output. The synchronous switch control chip (controller) can directly drive the external MOS, providing users with efficient DC-DC conversion with wide voltage, high current, and high power, and flexibly supporting various high-voltage and high-power applications; Synchronous switch conversion chip, integrated withThe ultra-low Rdson power MOS provides an efficient power conversion solution for the system with high integration, high density, and simplified peripheral devices.
Part Number VIN range Abs. VIN (max) VOUT range IOUT (max) MOS Topology fsw I2C Ctrl Prog. Vout Input ILIM Constant Current Mode IOUT monitor PFM FPWM Other feature Package
SC8701 2.7-36V 40V 2.7-36V 5A~10A ext. Buck-boost 200kHz~600kHz PWM √ √ ILIM pin √ QFN 4x4
SC8703 2.7-28V 30V 27-28V 5A~10A ext. Buck-boost 200kHz~600kHz PWM √ √ ILIM pin √ QFN 4x4
SC8903 2.7-22V 24 27-22V 5A int. Buck-boost 230kHz/460kHz PWM √ √ ILIM pin √ √ QFN 6×6
SC8706 3.524V 29V 3-24V 6.4A ext. Buck-boost 400kHz/600kHz/ 800kHz/1200kHz √ 12C √ √ IOUT pin √ OOA; Integrated 10-bit high accuracy ADC; Output voltage dynamic control QFN 4x4
SC8903A 2.7-22V 24V 2.7-22V 5A int. Buck-boost 230kHz/460kHz PWM √ √ ILIM pin √ √ No Short protection QFN 6x6
SC8721 2.7-22V 25V 2.4-22V 5A int Buck-boost 260kHz~920kHz √ 12C √ CSO pin √ 2.4V short circuit Vth QFN 4x4
SC8721A 2.7-22V 25V 0.7-22V 5A int Buck-boost 260kHz~920kHz √ 12C √ CSO pin √ 0.7V short circuit Vth QFN 4x4
SC8721B 2.7-22V 25V 0.7-22V 5A int Buck-boost 260kHZ~920kHz √ 12C √ CSO pin √ No short circuit protection, for e- cigar application QFN 4x4
SC8723 2.7-22V 25 3-22V 3.5A int Buck-boost 250kHz~1MHz FB √ √ √ No external current sense resistors; QFN 3x3
SC8724 2.7-22V 25 3-22V 3.5A int Buck-boost 250kHz~1MHz FB √ √ √ No external current sense res istors; Enhanced package for better thermal dissipation QFN 4x4
SC8751 27~5.5V 6.5V 35.2V 2A int Buck-boost 1.5MHz √ 12C √ √ 18μA Low Iq; Programmable Output Voltage Transition Time; Output Fast Discharge CSP2.13 5x2.135-15
SC8815 2.7-36V 40V 27-28/ 5A~10A ext. Buck-boost 1.50kHz ~450kHz √ 12C √ √ 10-bit ADC √ √ QFN 4x4
SC8915 2.7-36V 40V 2.7-28V 5A int. (2) Buck-boost 1.50kHz ~450kHz √ 12C √ √ 10-bit ADC √ √ QFN 5x5
SC8701Q 2.7-36V 40V 2.7-36V 5A~10A ext. Buck-boost 200kHz~600kHz PWM √ √ ILIM pin √ AEC-Q100 QFN 4x4
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