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FAN4800CSMY PDF预览

FAN4800CSMY

更新时间： 2024-11-07 10:27:31
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 稳压器开关式稳压器或控制器电源电路开关式控制器功率因数校正光电二极管
页数 文件大小 规格书
19页 577K
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PFC/PWM Controller Combination

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FAN4800CSMY 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, SOP16,.25针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：7.94
Is Samacsys：N其他特性：ALSO OPERATES IN AVERAGE CURRENT 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：28 V
最小输入电压：9.3 V标称输入电压：15 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e3
长度：9.9 mm湿度敏感等级：3
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：SOP封装等效代码：SOP16,.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
最大切换频率：268 kHz技术：BIPOLAR
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：NOT SPECIFIED
宽度：3.9 mmBase Number Matches：1

FAN4800CSMY 数据手册

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December 2010  
FAN4800AS/CS/01S/2S  
PFC/PWM Controller Combination  
Features  
Description  
The highly integrated FAN4800AS/CS/01S/02S parts  
are specially designed for power supplies that consist of  
boost PFC and PWM. They require very few external  
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Pin-to-Pin Compatible with ML4800 and FAN4800  
and CM6800 and CM6800A  
PWM Configurable for Current Mode or  
Feedforward Voltage-Mode Operation  
components to achieve versatile protections  
/
compensation. They are available in 16-pin DIP and  
SOP packages.  
Internally Synchronized Leading-Edge PFC and  
Trailing-Edge PWM in One IC  
The PWM can be used in either current or voltage  
mode. In voltage mode, feed-forward from the PFC  
output bus can reduce the 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  
Brownout Protection  
Compared with older productions, ML4800 and  
FAN4800,  
FAN4800AS/CS/01S/02S  
have  
lower  
operation current that saves power consumption in  
external devices. FAN4800AS/CS/01S/02S have  
accurate 49.9% maximum duty of PWM that makes the  
hold-up time longer. Brownout protection and PFC soft-  
start functions available in this series are not available  
in ML4800 and FAN4800.  
To evaluate FAN4800AS/CS/01S/02S for replacing  
existing FAN4800 and ML4800 boards, five things must  
be completed before the fine-tuning procedure:  
Interleaved PFC/PWM Switching  
Improved Efficiency at Light Load  
1. Change RAC resister from the old value to a higher  
fRTCT=4•fPFC=4•fPWM for FAN4800AS/01S  
fRTCT=4•fPFC=2•fPWM for FAN4800CS/02S  
resister: between 6MΩ to 8MΩ.  
2. Change RT/CT pin from the existing values to  
RT=6.8kΩ and CT=1000pF to have fPFC=64kHz and  
f
PWM=64kHz.  
Applications  
3. The VRMS pin needs to be 1.224V at VIN=85 VAC  
for universal input application from line input from  
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Desktop PC Power Supply  
85VAC to 270VAC  
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Internet Server Power Supply  
LCD TV, Monitor Power Supply  
UPS  
4. At full load, the average VVEA needs to be ~4.5V  
and the ripple of VVEA needs to be less than  
400mV.  
Battery Charger  
5. For the Soft-Start pin, the soft-start current has  
been reduced to half the FAN4800 capacitor.  
DC Motor Power Supply  
Monitor Power Supply  
Telecom System Power Supply  
Distributed Power  
There are two differences from FAN4800A/C/01/02 to  
FAN4800AS/CS/01S/02S:  
1. Under-voltage protection debounce time is  
extended to one second.  
2. PWM gate clamp voltage is raised to 19V.  
Related Resources  
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AN-8027 - FAN480X PFC+PWM Combination  
Controller Application  
© 2010 Fairchild Semiconductor Corporation  
FAN4800AS/CS/01S/02S • Rev. 1.0.1  
www.fairchildsemi.com  
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FAN4800CSMY 替代型号

型号 品牌 替代类型 描述 数据表
FAN4800CMY FAIRCHILD

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