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FAN400ANY

更新时间： 2024-11-25 04:18:07
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光电二极管信息通信管理
页数 文件大小 规格书
15页 561K
描述
Low-Power Green-Mode PWM Flyback Power Controller without Secondary Feedback

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中文翻译

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FAN400ANY 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Obsolete零件包装代码：DIP
包装说明：DIP, DIP8,.3针数：8
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.31.00.01风险等级：5.66
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：22.7 V最小输入电压：8.5 V
标称输入电压：15 VJESD-30 代码：R-PDIP-T8
JESD-609代码：e3长度：9.271 mm
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：DIP
封装等效代码：DIP8,.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：5.334 mm
子类别：Switching Regulator or Controllers表面贴装：NO
切换器配置：SINGLE最大切换频率：70 kHz
技术：BICMOS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

FAN400ANY 数据手册

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September 2008  
FAN400A — Low-Power Green-Mode PWM Flyback Power  
Controller without Secondary Feedback  
Features  
Description  
This highly integrated PWM controller provides several  
features to enhance the performance of low-power  
flyback converters. To minimize standby power  
ƒ Linearly Decreasing PWM Frequency  
ƒ Green Mode Under Light-Load and Zero-Load  
Conditions  
consumption,  
a
proprietary green-mode function  
provides off-time modulation to linearly decrease the  
switching frequency under light-load and zero-load  
conditions. This green mode enables the power supply  
to meet international power conservation requirements.  
The supply voltage VDD is also used for feedback  
compensation, to regulate the output voltage without  
requiring a conventional TL431 and a photo-coupler.  
Another advantage of the FAN400A is that the typical  
startup current is only 8μA, while the typical operating  
current can be as low as 3.6mA. A large startup  
resistance can be used to achieve even higher power  
conversion efficiency.  
ƒ Constant Voltage (CV) and Constant Current (CC)  
ƒ No Secondary Feedback  
ƒ Low Startup Current: 8μA  
ƒ Low Operating Current: 3.6mA  
ƒ Leading-Edge Blanking  
ƒ Constant Power Limit  
ƒ Universal AC Input Range  
ƒ Synchronized Slope Compensation  
ƒ 140°C OTP Sensor with Hysteresis  
ƒ VDD Over-Voltage Clamping  
ƒ Cycle-by-Cycle Current Limiting  
ƒ Under-Voltage Lockout (UVLO)  
ƒ Fixed PWM Frequency with Hopping  
ƒ Gate Output Maximum Voltage Clamped at 17V  
ƒ Small SSOT-6 Package  
FAN400A integrates a frequency hopping function  
internally to reduce EMI emissions with minimum line  
filters. Built-in synchronized slope compensation  
maintains the stability of peak current-mode control.  
Proprietary internal compensation ensures constant  
output power limiting over a universal range of AC input  
voltages, from 90VAC to 264VAC  
.
The FAN400A provides many protection functions.  
Pulse-by-pulse current limiting ensures constant output  
current, even if a short circuit occurs. The internal  
protection circuit disables PWM output if VDD exceeds  
22.7V. The gate output is clamped at 17V to protect the  
power MOS from over-voltage damage. The built-in  
over-temperature protection (OTP) function shuts down  
the controller at 140°C with a 30°C hysteresis.  
Applications  
General-purpose, switching mode, power supplies and  
flyback power converters, such as:  
ƒ Battery Chargers for Cellular Phones, Cordless  
Phones, PDAs, Digital Cameras, Power Tools  
The FAN400A is designed to provide a low-cost total  
solution for flyback converters. It is available in a small-  
footprint, 6-pin, SSOT-6 package.  
ƒ Power Adapters for Ink Jet Printers, Video Game  
Consoles, Portable Audio Players  
ƒ Open-Frame SMPS for TV/DVD Standby and  
Auxiliary Supplies, Home Appliances, Consumer  
Electronics  
Related Resources  
ƒ Replacement for Linear Transformers and RCC SMPS  
ƒ PC 5V Standby Power  
ƒ
AN-400A Low-Power Green-Mode PWM Flyback  
Power Controller without Secondary Feedback  
Ordering Information  
Part Number Operating Temperature Range  
Package  
Packing Method  
Eco Status  
Green  
FAN400ATY  
FAN400ANY  
SSOT-6  
DIP-8  
Tape & Reel  
Tube  
-40°C to +105°C  
-40°C to +105°C  
Green  
For Fairchild’s definition of “green” please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.  
© 2008 Fairchild Semiconductor Corporation  
FAN400A Rev. 1.0.1  
www.fairchildsemi.com  
1234567...15

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