High voltage startup, Integrated Switch, Leading edge blanking, Light load efficiency, Low power, Overcurrent protection, Overtemperature protection, Soft start

Control mode

Voltage

Duty cycle (max) (%)

55

Rating

Catalog

Operating temperature range (°C)

-40 to 125

Topology

Buck, Flyback

Switching frequency (max) (kHz)

62

Features

High voltage startup, Integrated Switch, Leading edge blanking, Light load efficiency, Low power, Overcurrent protection, Overtemperature protection, Soft start

Control mode

Voltage

Duty cycle (max) (%)

55

SOIC (D)

7

29.4 mm² 4.9 x 6

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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	種類	タイトル		最新の英語版をダウンロード		日付
*	データシート	UCC28880 700-V, 100-mA Low Quiescent Current Off-Line Converter データシート (Rev. D)	PDF \| HTML			2016年 3月 29日

UCC28880

非絶縁型 AC/DC 変換向け、高電圧スイッチャ

比較対象デバイスと類似の機能

UCC28880

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技術資料

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