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UC3856G-AG6-R PDF预览

UC3856G-AG6-R

更新时间: 2024-11-29 20:53:07
品牌 Logo 应用领域
友顺 - UTC 开关光电二极管
页数 文件大小 规格书
10页 406K
描述
Switching Controller, Current-mode, 67kHz Switching Freq-Max, PDSO6, HALOGEN AND LEAD FREE, SOT-26, 6 PIN

UC3856G-AG6-R 技术参数

是否Rohs认证: 符合生命周期:Active
包装说明:HALOGEN AND LEAD FREE, SOT-26, 6 PINReach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.72模拟集成电路 - 其他类型:SWITCHING CONTROLLER
控制模式:CURRENT-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:26 V最小输入电压:10 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G6
功能数量:1端子数量:6
最高工作温度:125 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED表面贴装:YES
最大切换频率:67 kHz温度等级:AUTOMOTIVE
端子形式:GULL WING端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIEDBase Number Matches:1

UC3856G-AG6-R 数据手册

 浏览型号UC3856G-AG6-R的Datasheet PDF文件第2页浏览型号UC3856G-AG6-R的Datasheet PDF文件第3页浏览型号UC3856G-AG6-R的Datasheet PDF文件第4页浏览型号UC3856G-AG6-R的Datasheet PDF文件第5页浏览型号UC3856G-AG6-R的Datasheet PDF文件第6页浏览型号UC3856G-AG6-R的Datasheet PDF文件第7页 
UNISONIC TECHNOLOGIES CO., LTD  
UC3856  
LINEAR INTEGRATED CIRCUIT  
LOW COST POWER-SAVING  
MODE PWM CONTROLLER  
FOR FLYBACK CONVERTERS  
DESCRIPTION  
The UTC UC3856 is a high performance current mode PWM  
controller ideally suited for low standby power. An externally  
JFET’s gate pin is connected the ST pin, It can achieve HV start,  
and when start was overed, it is no long consume current to  
depress the power off. Low VDD startup current make the power  
reliable on startup design and a large value resistor could be used  
in the startup circuit to minimize the standby power. At no load  
condition, the IC operates in power-saving mode for lower standby  
power, decreasing frequency for Higher conversion efficiency at  
light load condition.  
The UTC UC3856 contains protection with automatic recovery  
including OLP (over load protection), OTP (over temperature  
protection), OVP (over voltage protection), UVLO (VDD over voltage clamp and under voltage lockout).To protect  
the power MOSFET, Gate-drive output is fixed up to 15V max. The UTC UC3856 contains protection OCP  
(cycle-by-cycle current limiting).  
The internal slope compensation improves system stability at high PWM duty cycle output. Leading-edge  
blanking on current sense input removes the signal glitch, which offering minimal external component count in the  
design. Excellent EMI performance is achieved with UTC proprietary frequency hopping technique  
(ZL201020615247.1) together with soft driver control. Audio noise is eliminated due to switch frequency more than  
20kHz during operation.  
The UTC UC3856 has such applications as: battery charger, power adaptor, set-top box power supplies, ink jet  
printers, open-frame SMPS.  
FEATURES  
* UTC proprietary frequency hopping technology for  
Improved EMI performance.  
* Power-saving mode for high light-load and standby  
efficiency  
* High efficiency HV start  
* Gate output voltage clamped at 15V  
* Low start-up current  
* Cycle-by-cycle current limiting  
* Dynamic peak current limiting for constant output power * Under voltage lockout (UVLO)  
* Built-in synchronized slope compensation  
* Few external components required  
* OTP,OLP,OVP and VDD clamp for higher security  
ORDERING INFORMATION  
Ordering Number  
UC3856G-AG6-R  
Package  
SOT-26  
Packing  
Tape Reel  
www.unisonic.com.tw  
1 of 10  
Copyright © 2015 Unisonic Technologies Co., Ltd  
QW-R103-077.D  

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