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UCC25600 - 产品图解:
UCC25600-8 引脚高性能谐振模式控制器
UCC25600-PWM与谐振控制器-离线隔离型DC/DC控制器和转换器-电源管理
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TI产品 - UCC25600介绍
UCC25600 - 8 引脚高性能谐振模式控制器

UCC25600是TI公司的一款PWM与谐振控制器产品,UCC25600是8 引脚高性能谐振模式控制器,本页介绍了UCC25600的产品说明、应用、特性等,并给出了与UCC25600相关的TI元器件型号供参考。

UCC25600 - 8 引脚高性能谐振模式控制器 - PWM与谐振控制器 - 离线隔离型DC/DC控制器和转换器 - TI公司(Texas Instruments,德州仪器)

产品特性
  • Variable Switching Frequency Control
  • Programmable Minimum Switching Frequency With 4% Accuracy (3% Accuracy at Temperature Range: –20°C to 105°C)
  • Programmable Maximum Switching Frequency
  • Programmable Dead Time for Best Efficiency
  • Programmable Soft-Start Time
  • Easy ON and OFF Control
  • Overcurrent Protection
  • Overtemperature Protection
  • Bias Voltage UVLO and Overvoltage Protection
  • Integrated Gate Driver With 0.4-A Source and 0.8-A Sink Capability
  • Operating Temperature Range: –40°C to 125°C
  • SOIC 8-Pin Package
产品应用
  • 100-W to 1-kW Power Supplies
  • LCD, Plasma, and DLP® TVs
  • Adaptors, Computing, and ATX Power Supplies
  • Home Audio Systems
  • Electronic Lighting Ballasts
产品说明

The UCC25600 high performance, resonant mode controller is designed for dc-to-dc applications using resonant topologies, especially the LLC half-bridge resonant converter. This highly integrated controller implements frequency modulation control and complete system functions in only an 8-pin package. Switching to the UCC25600 will greatly simplify the system design and layout, and improve time to market, all at a price point lower than competitive 16-pin device offerings.

The internal oscillator supports the switching frequencies from 40 kHz to 350 kHz. This high-accuracy oscillator realizes the minimum switching frequency limiting with 4% tolerance, allowing the designer to avoid over-design of the power stage and, thus, further reducing overall system cost. The programmable dead time enables zero-voltage switching with minimum magnetizing current. This maximizes system efficiency across a variety of applications. The programmable soft-start timer maximizes design flexibility demanded by the varied requirements of end equipment using a half-bridge topology. By incorporating a 0.4-A source and 0.8-A sink driving capability, a low cost, reliable gate driver transformer is a real option.

The UCC25600 delivers complete system protection functions including overcurrent, UVLO, bias supply OVP, and overtemperature protection.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
UCC25600SOIC (8)3.91 mm × 4.90 mm
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