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FAN6300A PDF预览

FAN6300A

更新时间: 2024-01-16 14:05:47
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 控制器
页数 文件大小 规格书
13页 558K
描述
Highly Integrated Quasi-Resonant PWM Controller

FAN6300A 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:SOIC
包装说明:SOP, SOP8,.25针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:3.74
Is Samacsys:N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:25 V最小输入电压:9 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G8
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:8最高工作温度:105 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:SINGLE
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

FAN6300A 数据手册

 浏览型号FAN6300A的Datasheet PDF文件第2页浏览型号FAN6300A的Datasheet PDF文件第3页浏览型号FAN6300A的Datasheet PDF文件第4页浏览型号FAN6300A的Datasheet PDF文件第5页浏览型号FAN6300A的Datasheet PDF文件第6页浏览型号FAN6300A的Datasheet PDF文件第7页 
www.fairchildsemi.com  
AN-6300  
FAN6300 / FAN6300A / FAN6300H  
Highly Integrated Quasi-Resonant PWM Controller  
Abstract  
This application note describes a detailed design strategy for  
higher-power conversion efficiency and better EMI using a  
Quasi-Resonant PWM controller compared to the  
range line voltage and reduces switching loss to minimize  
switching voltage on drain of the power MOSFET.  
To minimize standby power consumption and improve light-  
load efficiency, a proprietary green-mode function provides  
off-time modulation to decrease switching frequency and  
perform extended valley voltage switching to keep to a  
minimum switching voltage.  
conventional, hard-switched converter with  
a
fixed  
switching frequency. Based on the proposed design  
guideline, a design example with detailed parameters  
demonstrates the performance of the controller.  
FAN6300/A/H controller provides many protection  
functions. Pulse-by-pulse current limiting ensures the fixed  
peak current limit level, even when short-circuit occurs.  
Once an open-circuit failure occurs in the feedback loop, the  
internal protection circuit disables PWM output  
immediately. As long as VDD drops below the turn-off  
threshold voltage, the controller also disables the PWM  
output. The gate output is clamped at 18V to protect the  
power MOS from high gate-source voltage conditions. The  
minimum tOFF time limit prevents the system frequency from  
being too high. If the DET pin reaches OVP level, internal  
OTP is triggered, and the power system enters latch-mode  
until AC power is removed.  
Introduction  
The highly integrated FAN6300/A/H PWM controller  
provides several features to enhance the performance of  
flyback converters. FAN6300/A are applied on Quasi-  
Resonant flyback converter where maximum operating  
frequency is below 100kHz and FAN6300H is suitable for  
high frequency operation that is around 190kHz. A built-in  
High Voltage (HV) startup circuit can provide more startup  
current to reduce the startup time of the controller. Once the  
VDD voltage exceeds the turn-on threshold voltage, the HV  
startup function is disabled immediately to reduce power  
consumption. An internal valley voltage detector ensures  
power system operates in quasi-resonant operation in wide-  
© 2009 Fairchild Semiconductor Corporation  
Rev. 1.0.2 • 5/21/10  
www.fairchildsemi.com  

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