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FAN4822IP PDF预览

FAN4822IP

更新时间: 2024-09-18 19:49:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 光电二极管
页数 文件大小 规格书
10页 212K
描述
Power Factor Controller, Current-mode, 0.5A, PDIP14, PLASTIC, DIP-14

FAN4822IP 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP,针数:14
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.73
模拟集成电路 - 其他类型:POWER FACTOR CONTROLLER控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:12.8 V
最小输入电压:10.4 VJESD-30 代码:R-PDIP-T14
长度:19.05 mm功能数量:1
端子数量:14最高工作温度:85 °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
封装形状:RECTANGULAR封装形式:IN-LINE
认证状态:Not Qualified座面最大高度:4.32 mm
表面贴装:NO切换器配置:SINGLE
温度等级:INDUSTRIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
宽度:7.62 mmBase Number Matches:1

FAN4822IP 数据手册

 浏览型号FAN4822IP的Datasheet PDF文件第2页浏览型号FAN4822IP的Datasheet PDF文件第3页浏览型号FAN4822IP的Datasheet PDF文件第4页浏览型号FAN4822IP的Datasheet PDF文件第5页浏览型号FAN4822IP的Datasheet PDF文件第6页浏览型号FAN4822IP的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FAN4822  
ZVS Average Current PFC Controller  
Features  
General Description  
• Average current sensing, continuous boost, leading edge  
PFC for low total harmonic distortion and near unity  
power factor  
• Built-in ZVS switch control with fast response for high  
efficiency at high power levels  
• Average line voltage compensation with brownout control  
• Current fed gain modulator improves noise immunity and  
provides universal input operation  
• Overvoltage comparator eliminates output “runaway” due  
to load removal  
The FAN4822 is a PFC controller designed specifically for  
high power applications. The controller contains all of the  
functions necessary to implement an average current boost  
PFCconverter,alongwithaZeroVoltageSwitch(ZVS)con-  
troller to reduce diode recovery and MOSFET turn-on  
losses.  
The average current boost PFC circuit provides high power  
factor (>98%) and low Total Harmonic Distortion (THD).  
Built-in safety features include undervoltage lockout, over-  
voltage protection, peak current limiting, and input voltage  
brownout protection.  
• UVLO, current limit, and soft-start  
• Precision 1.3% reference  
The ZVS control section drives an external ZVS MOSFET  
which, combined with a diode and inductor, soft switches the  
boost regulator. This technique reduces diode reverse recov-  
ery and MOSFET switching losses to reduce EMI and maxi-  
mize efficiency.  
Block Diagram  
1
8
2
VEAO  
VEA  
GND  
IEAO  
FB  
VCC  
14  
OVP  
VCCZ  
13.5V  
12  
+
FB  
+
2.5V  
IAC  
R+  
IEA  
2.7V  
+
+
GAIN  
4
5
3
MODULATOR  
S
R
Q
VRMS  
I LIMIT  
R–  
+
1V  
ISENSE  
PFC OUT  
11  
RTCT  
REF  
6
OSC  
S
R
Q
VCCZ  
REF  
ZVS OUT  
10  
13  
7
S
R
+
ZV SENSE  
–  
PWR GND  
Q
9
REV. 1.0.0 7/26/01  

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