UCC25630-3DDBR UCC25630-3DDBT 有現貨 可添加我們聯系方式獲取最優惠價格
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描述
The UCC256303 is a fully featured LLC controller with integrated high-voltage gate driver. It has been designed to pair with a PFC stage to provide a complete power system using a minimum of external components. The resulting power system is designed to meet the most stringent requirements for standby power without the need for a separate standby power converter, and with PFC stage running all the time. UCC256303 includes a range of features designed to make LLC converter operation well controlled and robust. This device aims to unburden the LLC designer and allow mainstream applications to benefit from efficiency advantages of the LLC topology.
UCC256303 uses hybrid hysteretic control to provide best in class line and load transient response. The control effort is approximately linearly proportional to average input current in one cycle. The control makes the open loop transfer function a first order system so that it’s very easy to compensate. The system is always stable with proper frequency compensation.
UCC256303 provides a high efficient burst mode with consistent burst power level during each burst on cycle. The burst power level is programmable and adaptively changes with input voltage, making the optimization of efficiency very easy.
特性
Hybrid Hysteretic Control (HHC)
Best-in-Class Transient Response
Easy Compensation Design
Optimized Low Power Features Enable 75 mW
Standby Power Design with PFC on
Advanced Burst Mode
Opto-Coupler Low Power Operation
Helps Enable Compliance to CoC Tier II Standard
Fast Exit from Burst Mode
Improved Capacitive Region Avoidance Scheme
Adaptive Dead-Time
Internal High-Side Gate Drivers
(0.6-A and 1.2-A Capability)
Robust Soft Start with No Hard Switching
Over Temperature, Output Over Voltage, Input
Over and Under Voltage Protection with
Three Levels of Over Current Protections
Wide Operating Frequency Range
(35 kHz to 1 MHz)
LLC Resonant Controller in SOIC16
with High Voltage Clearance
External Bias Required
深圳市燁弘軒電子有限公司，我司2011年成立于中國經濟特區深圳.我司專注于為全球電子企業提供優質的電子零件供應服務，竭力打造全球品牌元器件零售與批量供應中心。專業經營各類電子元器件（集成電路IC，存儲芯片，分立器件,電源,無源元件,連接器,繼電器,傳感器,光電子,開關,保險元件,緊固件,開發工具,變壓器,測試與測量等）。 我們以低成本提供全方位一站式電子元件供應鏈采購方案，包括但不僅限于電子元件緊急物料搜尋，電子元件齊套供應、電子元件降低成本的長期供應，庫存寄售等一系列供應鏈解決方案。優勢供應各類電子組件.
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深圳市燁弘軒電子有限公司 重點客戶遍布中國內地 港 澳 臺地區，另外歐美發達國家以及 一代一路沿線發展中國家我司也有大量長期合作的優質客戶。
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