主页 电源管理 AC/DC switching regulators AC/DC converters
主页
电源管理
AC/DC switching regulators
AC/DC converters

UCC28911

正在供货

具有恒压恒流和初级侧调节功能的 700V 反激式开关

立即订购
数据表

UCC28911

正在供货
数据表 立即订购

产品详情

Rating Catalog Topology Buck, Flyback Iout (max) (A) 0.7 Vin (max) (V) 450 Vin (min) (V) 10 Vout (max) (V) 18 Vout (min) (V) 3.3 Features Adjustable switching frequency, Current limiting, Green mode, High voltage startup, High-voltage startup, Input line monitor, Integrated Switch, IoT compatible, Leading edge blanking, Light load efficiency, Light-load efficiency, Overcurrent protection, Overtemperature protection, Soft start, Thermal shutdown Control mode Current, Primary-side regulation, Voltage Switching frequency (min) (kHz) 0.42 Switching frequency (max) (kHz) 115 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 23500 Duty cycle (max) (%) 99
Rating Catalog Topology Buck, Flyback Iout (max) (A) 0.7 Vin (max) (V) 450 Vin (min) (V) 10 Vout (max) (V) 18 Vout (min) (V) 3.3 Features Adjustable switching frequency, Current limiting, Green mode, High voltage startup, High-voltage startup, Input line monitor, Integrated Switch, IoT compatible, Leading edge blanking, Light load efficiency, Light-load efficiency, Overcurrent protection, Overtemperature protection, Soft start, Thermal shutdown Control mode Current, Primary-side regulation, Voltage Switching frequency (min) (kHz) 0.42 Switching frequency (max) (kHz) 115 Operating temperature range (°C) -40 to 125 Iq (typ) (µA) 23500 Duty cycle (max) (%) 99
SOIC (D) 7 29.4 mm² 4.9 x 6
  • Constant-Voltage (CV) and Constant-Current (CC) Output Regulation Without Optical-Coupler
  • ±5% Output Voltage Regulation Accuracy
  • ±5% Output Current Regulation With AC Line and Primary Inductance Tolerance Compensation
  • 700-V Start-Up and Smart Power Management Enables <30-mW Standby Power
  • 115-kHz Maximum Switching Frequency Design for High-Power Density
  • Valley Switching and Frequency Dithering to Ease EMI Compliance
  • Thermal Shut Down
  • Low Line and Output Over-Voltage Protection
  • Constant-Voltage (CV) and Constant-Current (CC) Output Regulation Without Optical-Coupler
  • ±5% Output Voltage Regulation Accuracy
  • ±5% Output Current Regulation With AC Line and Primary Inductance Tolerance Compensation
  • 700-V Start-Up and Smart Power Management Enables <30-mW Standby Power
  • 115-kHz Maximum Switching Frequency Design for High-Power Density
  • Valley Switching and Frequency Dithering to Ease EMI Compliance
  • Thermal Shut Down
  • Low Line and Output Over-Voltage Protection

The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltageand current regulation without the use of an optical coupler. Both devices incorporate a 700-Vpower FET and a controller that process operating information from the flyback auxiliary windingand power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enablethe very low stand-by power consumption.

Control algorithms in the UCC28910 and UCC28911, combining switching frequency and peakprimary current modulation, allow operating efficiencies to meet or exceed applicable standards.Discontinuous conduction mode (DCM) with valley switching is used to reduce switching losses.Built-in protection features help to keep secondary and primary component stress levels in check across the operating range. The frequency jitter helps to reduce EMI filter

The UCC28910 and UCC28911 are high-voltage flyback switchers that provide output voltageand current regulation without the use of an optical coupler. Both devices incorporate a 700-Vpower FET and a controller that process operating information from the flyback auxiliary windingand power FET to provide a precise output voltage and current control. The integrated high-voltage current source for startup that is switched off during device operation, and the controller current consumption is dynamically adjusted with load. Both enablethe very low stand-by power consumption.

Control algorithms in the UCC28910 and UCC28911, combining switching frequency and peakprimary current modulation, allow operating efficiencies to meet or exceed applicable standards.Discontinuous conduction mode (DCM) with valley switching is used to reduce switching losses.Built-in protection features help to keep secondary and primary component stress levels in check across the operating range. The frequency jitter helps to reduce EMI filter
filter 查找其他 AC/DC converters
下载 观看带字幕的视频 视频

您可能感兴趣的相似产品

open-in-new 比较替代产品
功能与比较器件相同，但引脚排列有所不同
新 UCG28826 正在供货 具有集成式 GaN (65W) 的自偏置高频 QR 反激式转换器 Higher output power capability with integrated GaN FET

技术文档

star =有关此产品的 TI 精选热门文档
未找到结果。请清除搜索并重试。
查看全部 11
类型 标题 下载最新的英语版本 日期
* 数据表 UCC28910, UCC28911 High-Voltage Flyback Switcher with Primary-Side Regulation and Output Current Control 数据表 (Rev. D) PDF | HTML 2016年 12月 19日
应用手册 Flyback Aux Winding OVP and UVLO Fault Sensing Design and Troubleshooting Tips PDF | HTML 2021年 8月 31日
技术文章 Overcoming common design challenges in an UV sterilization box system PDF | HTML 2020年 7月 27日
技术文章 Making a solar inverter more reliable than the sun PDF | HTML 2017年 8月 1日
应用手册 Troubleshooting TI PSR controllers 2016年 10月 3日
技术文章 Differences between PSR and SSR in bias power-supply design PDF | HTML 2016年 4月 8日
技术文章 Design an energy-efficient, lower-acoustic cooker hood with an elegant user interf PDF | HTML 2016年 3月 29日
技术文章 Power Tips: Power converter topology/component selections in high input voltage ap PDF | HTML 2015年 10月 7日
白皮书 Control Challenges for Low Power AC/DC Converters 2015年 10月 2日
白皮书 Control Challenges for Low Power AC/DC Converters (PPT) 2015年 10月 2日
技术文章 Designing multiple output converters with primary side sensing PDF | HTML 2015年 8月 4日

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

推荐产品可能包含与 TI 此产品相关的参数、评估模块或参考设计。

支持和培训

视频