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AC/DC 和 DC/DC 轉換器 (整合式 FET)

UCC28910

現行

具定電壓、定電流及一次側控制的 700V 返馳交換器

立即訂購
產品規格表

UCC28910

現行
產品規格表 立即訂購

產品詳細資料

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Flyback Iout (max) (A) 0.6 Vin (min) (V) 20 Vin (max) (V) 450 Switching frequency (min) (kHz) 0.42 Switching frequency (max) (kHz) 115 Features Current limiting, Green mode, High voltage startup, High-voltage startup, Input line monitor, Integrated Switch, Leading edge blanking, Light load efficiency, Light-load efficiency, Low power, Overcurrent protection, Soft start Control mode Current, Primary-side regulation, Voltage Vout (min) (V) 3.3 Vout (max) (V) 24 Iq (typ) (µA) 23500 Duty cycle (max) (%) 99
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck, Flyback Iout (max) (A) 0.6 Vin (min) (V) 20 Vin (max) (V) 450 Switching frequency (min) (kHz) 0.42 Switching frequency (max) (kHz) 115 Features Current limiting, Green mode, High voltage startup, High-voltage startup, Input line monitor, Integrated Switch, Leading edge blanking, Light load efficiency, Light-load efficiency, Low power, Overcurrent protection, Soft start Control mode Current, Primary-side regulation, Voltage Vout (min) (V) 3.3 Vout (max) (V) 24 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
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類型 標題 日期
* Data sheet UCC28910, UCC28911 High-Voltage Flyback Switcher with Primary-Side Regulation and Output Current Control datasheet (Rev. D) PDF | HTML 2016年 12月 19日
Technical article 倒置降壓如何為非隔離式返馳提供拓撲替代方案 PDF | HTML 2024年 3月 20日
Application note Flyback Aux Winding OVP and UVLO Fault Sensing Design and Troubleshooting Tips PDF | HTML 2021年 8月 31日
Technical article Overcoming common design challenges in an UV sterilization box system PDF | HTML 2020年 7月 27日
White paper Power Electronics in Motor Drives: Where is it? (Rev. A) 2019年 10月 1日
Test report PMP21384: Universal AC Input Integrated FET Buck Converter Reference Design 2018年 6月 19日
Technical article Making a solar inverter more reliable than the sun PDF | HTML 2017年 8月 1日
Technical article Powering the IoT PDF | HTML 2017年 1月 26日
Application note Troubleshooting TI PSR controllers 2016年 10月 3日
Design guide Wi-Fi Enabled Level 1 Level 2 Electric Vehicle Service Equipment Design Guide 2016年 8月 16日
Application note Non-Isolated High-Side Buck Converter With UCC28910 2016年 6月 1日
White paper Redefining power management through high-voltage innovation 2015年 11月 12日
White paper Control Challenges for Low Power AC/DC Converters 2015年 10月 2日
White paper Control Challenges for Low Power AC/DC Converters (PPT) 2015年 10月 2日
Technical article Designing multiple output converters with primary side sensing PDF | HTML 2015年 8月 4日
EVM User's guide Using the UCC28910 EVM-526 (Rev. A) 2013年 8月 8日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

UCC28910FBEVM-526 — UCC28910FBEVM-526 評估模組

Universal input 5V, 6W isolated flyback power supply with primary side control

使用指南: PDF
TI.com 無法提供
開發板

UCC28911EVM-718 — UCC28911 評估模組

The UCC28911EVM-718 evaluation module is an offline Flyback power supply that provides isolated output voltage and current regulation without the use of an optocoupler and secondary-side feedback components. The input accepts a voltage range of 85VAC to 265VAC, 47Hz to 64Hz. The evaluation module (...)

使用指南: PDF
TI.com 無法提供
支援軟體

PMP4367 — 通用 AC 輸入 6W 變壓器，能源之星 6 效率評等

此 5V/1.2A 變壓器解決方案經過全面測試，並通過 EMI 及 EMC (CE、RE) 安全要求。採用高效率一次側控制器 UCC28910。該設計的效率符合能源之星 6 標準，適合用於小型外殼。設計尺寸爲 36mmX30mmX15mm，已經過熱特性分析。在整個操作範圍內，空載效率為 <30mW。使用低成本 EE16 變壓器。
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計算工具

SLUC503 — UCC28910 Design Calculator

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AC/DC 和 DC/DC 轉換器 (整合式 FET)
UCC28910 — 具定電壓、定電流及一次側控制的 700V 返馳交換器
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