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FAN4800AUN PDF预览

FAN4800AUN

更新时间: 2024-09-18 12:28:11
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 功率因数校正控制器
页数 文件大小 规格书
21页 992K
描述
PFC/ PWM Controller Combination

FAN4800AUN 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:DIP
包装说明:DIP, DIP16,.3针数:16
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:4.45
其他特性:ALSO OPERATES IN IPK MODE模拟集成电路 - 其他类型:POWER FACTOR CONTROLLER WITH POST REGULATOR
控制模式:VOLTAGE-MODE控制技术:PULSE WIDTH MODULATION
最大输入电压:22 V最小输入电压:11 V
标称输入电压:15 VJESD-30 代码:R-PDIP-T16
JESD-609代码:e3长度:19.17 mm
功能数量:1端子数量:16
最高工作温度:105 °C最低工作温度:-40 °C
最大输出电流:0.5 A封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP16,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
座面最大高度:5.33 mm子类别:Switching Regulator or Controllers
表面贴装:NO切换器配置:BOOST
最大切换频率:268 kHz温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7.62 mm
Base Number Matches:1

FAN4800AUN 数据手册

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October 2011  
FAN4800AU/CU  
PFC/ PWM Controller Combination  
Features  
Description  
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Pin-to-Pin Compatible with ML4800, FAN4800,  
CM6800, and CM6800A  
The highly integrated FAN4800AU/CU parts are  
specially designed for power supplies that consist of  
boost PFC and PWM. They require very few external  
components to achieve versatile protections and  
compensation. They are available in 16-pin DIP and  
SOP packages.  
PWM Configurable for Current-Mode or  
Feed-Forward Voltage-Mode Operation  
Internally Synchronized Leading-Edge PFC and  
Trailing-Edge PWM in One IC  
The PWM can be used in current or Voltage Mode. In  
Voltage Mode, feed-forward from the PFC output bus  
can reduce secondary output ripple.  
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Low Operating Current  
Innovative Switching-Charge Multiplier Divider  
Average-Current-Mode for Input-Current Shaping  
PFC Over-Voltage and Under-Voltage Protections  
PFC Feedback Open-Loop Protection  
Cycle-by-Cycle Current Limiting for PFC/PWM  
Power-on Sequence Control and Soft-Start  
Line Sagging Protection  
To evaluate FAN4800AU/CU for replacing existing  
FAN4800A/C, FAN4800AS/CS, old version FAN4800  
and ML4800 boards, six things must be completed  
before the fine-tuning procedure:  
1. Change RAC resistor from the old value to a higher  
resistor value: 6Mto 8M.  
2. Change RT/CT pin from the existing values to  
RT=6.8Kand CT=1000pF to have fPFC=64kHz and  
f
PWM=64kHz.  
fRTCT=4•fPFC=4•fPWM for FAN4800AU  
fRTCT=4•fPFC=2•fPWM for FAN4800CU  
3. The VRMS pin needs to be 1.224V at VIN=85VAC for  
universal input application with line input from  
85VAC to 270 VAC  
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Applications  
4. Change ISENSE pin filter from the exiting values to  
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Desktop PC Power Supply  
Internet Server Power Supply  
LCD TV/ Monitor Power Supply  
UPS  
RFilter=51and CFilter=0.01µF for higher bandwidth.  
5. At full load, the average VVEA must be ~4.5V and  
ripple on VVEA needs to be less than 400mV.  
6. For the SS pin, the soft-start current has been  
reduced to half the FAN4800 capacitor.  
Battery Charger  
There are two differences from FAN4800AS/CS to  
FAN4800AU/CU:  
DC Motor Power Supply  
Monitor Power Supply  
Telecom System Power Supply  
Distributed Power  
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Add Line Sagging Protection  
Fix Inductance Current Instability during AC Cycle  
Drop Test  
Related Resources  
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AN-8027 — FAN480X PFC+PWM Combination  
Controller Application  
© 2011 Fairchild Semiconductor Corporation  
FAN4800AU/CU • Rev. 1.0.0  
www.fairchildsemi.com  

FAN4800AUN 替代型号

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