UCC28C57H

UCCx8C5x BiCMOS Low-Power Current-Mode PWM Controller

1Features •28-VVDDrecommendedmaxoperatingratings •Newundervoltagelockoutoptionstosupportboth SiandSiCMOSFETapplications •Operatingfrequency:1MHz •50-μAStandbyCurrent,75-μAMaximum •Lowoperatingcurrent:1.3mA(@fOSC=52kHz) •Fast,cycle-by-cycleovercurrent

UCC28C57H

UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57H

UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57H

UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57H

UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57H

UCCx8C5x BiCMOS Low-Power Current-Mode PWM Controller

1Features •28-VVDDrecommendedmaxoperatingratings •Newundervoltagelockoutoptionstosupportboth SiandSiCMOSFETapplications •Operatingfrequency:1MHz •50-μAStandbyCurrent,75-μAMaximum •Lowoperatingcurrent:1.3mA(@fOSC=52kHz) •Fast,cycle-by-cycleovercurrent

UCC28C57H

工业类 30V 低功耗电流模式 PWM 控制器，适用于 SiC，18.8V/15.5V UVLO，50% 占空比; • 28-V VDD recommended max operating ratings\n• New undervoltage lockout options to support both Si and SiC MOSFET applications\n• Operating frequency: 1 MHz\n• 50-µA Standby Current, 75-µA Maximum\n• Low operating current: 1.3 mA (@ fOSC = 52 kHz)\n• Fast, cycle-by-cycle overcurrent limiting: 35-ns \n• Peak driving current: ±1-A. Rail-to-rail output: \n• 25-ns rise time\n• 20-ns fall time\n \n• Initial trimmed 2.5-V error amplifier reference: ±1% \n• Pin-to-pin compatible to UCCx8C4x and drop-in substitution;

UCCx8C5x 系列器件为高性能电流模式 PWM 控制器，可驱动各种应用中的 Si 和 SiC MOSFET。UCCx8C5x 系列是 UCCx8C4x 的更高效、更稳健的版本。\n\n除持续支持 Si MOSFET 的现有 UVLO 阈值 (UCCx8C50-55) 外，UCCx8C5x 系列还具有可确保 SiC MOSFET 可靠运行的新 UVLO 阈值 (UCC28C56-59)。\n\nVDD 绝对最大额定电压从 20V 增加至 30V，便于以理想方式驱动 20V gs、18V gs 或 15V gs SiC MOSFET 的栅极，同时可无需使用外部 LDO。\n\nUCCx8C5x 系列采用 8 引脚 VSSOP (DGK) 和 8 引脚 SOIC (D) 封装。

UCC28C57HDR

Package：SOIC；UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57HDR

Package：SOIC；UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc

UCC28C57HDR

Package：SOIC；UCCx8C5x Low-Power Current-Mode High-Performance PWM Controller for Si and SiC MOSFETs

1Features •UndervoltagelockoutoptionstosupportbothSi andSiCMOSFETapplications •30-VVDDabsolutemaximumvoltage •1-MHzmaximumfixedfrequencyoperation •50-μAstartupcurrent,75-μAmaximum •Lowoperatingcurrent:1.3mA(atfOSC=52kHz) •Fast35-ns,cycle-by-cycleoverc