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UCC28880

不推荐用于新设计

适用于非隔离式交流/直流转换的高电压开关

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UCC28880 不推荐用于新设计
该产品会持续为现有客户提供。新设计应考虑替代产品。
open-in-new 比较替代产品
功能与比较器件相似。
UCC28881 正在供货 700V 极低静态电流离线开关 Offers a lower RDSON FET for higher output power and improved efficiency.

UCC28880

不推荐用于新设计
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产品详情

Rating Catalog Topology Buck, Flyback Features High voltage startup, Integrated Switch, Leading edge blanking, Light load efficiency, Low power, Overcurrent protection, Overtemperature protection, Soft start Control mode Voltage Switching frequency (max) (kHz) 62 Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 55
Rating Catalog Topology Buck, Flyback Features High voltage startup, Integrated Switch, Leading edge blanking, Light load efficiency, Low power, Overcurrent protection, Overtemperature protection, Soft start Control mode Voltage Switching frequency (max) (kHz) 62 Operating temperature range (°C) -40 to 125 Duty cycle (max) (%) 55
SOIC (D) 7 29.4 mm² (4.9 mm × 6 mm)
  • Integrated Power MOSFET (Switch) Rated to
    700-V Drain-to-Source Voltage
  • Integrated High-Voltage Current Source for Internal Low-Voltage Supply Generation
  • Soft Start
  • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage)
  • Supports Buck, Buck-Boost and Flyback Topologies
  • <100-μA Device Quiescent Current
  • Robust Performance with Inductor Current Runaway Prevention
  • Thermal Shutdown
  • Protection
    • Current Limit
    • Overload and Output Short Circuit
  • Integrated Power MOSFET (Switch) Rated to
    700-V Drain-to-Source Voltage
  • Integrated High-Voltage Current Source for Internal Low-Voltage Supply Generation
  • Soft Start
  • Self-Biased Switcher (Start Up and Operation Directly from Rectified Mains Voltage)
  • Supports Buck, Buck-Boost and Flyback Topologies
  • <100-μA Device Quiescent Current
  • Robust Performance with Inductor Current Runaway Prevention
  • Thermal Shutdown
  • Protection
    • Current Limit
    • Overload and Output Short Circuit

The UCC28880 integrates the controller and a 700-V power MOSFET into one monolithic device. The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage.

The low quiescent current of the device enables excellent efficiency. With the UCC28880 the most common converter topologies, such as buck, buck-boost and flyback can be built using a minimum number of external components.

The UCC28880 incorporates a soft-start feature for controlled start up of the power stage which minimizes the stress on the power-stage components.

The UCC28880 integrates the controller and a 700-V power MOSFET into one monolithic device. The device also integrates a high-voltage current source, enabling start up and operation directly from the rectified mains voltage.

The low quiescent current of the device enables excellent efficiency. With the UCC28880 the most common converter topologies, such as buck, buck-boost and flyback can be built using a minimum number of external components.

The UCC28880 incorporates a soft-start feature for controlled start up of the power stage which minimizes the stress on the power-stage components.
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* 数据表 UCC28880 700-V, 100-mA Low Quiescent Current Off-Line Converter 数据表 (Rev. D) PDF | HTML 2016-3-29

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