UCC25600 - 8 引脚高性能谐振模式控制器

UCC25600是TI德州仪器公司的一款PWM与谐振控制器产品，UCC25600是8 引脚高性能谐振模式控制器，本站介绍了UCC25600的封装应用图解、特点和优点、功能等，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 - 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 NUMBER	PACKAGE	BODY SIZE (NOM)
UCC25600	SOIC (8)	3.91 mm × 4.90 mm

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