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SG6901ASZ PDF预览

SG6901ASZ

更新时间: 2024-10-29 03:32:27
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
18页 705K
描述
PFC / Flyback PWM Controller

SG6901ASZ 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:SOIC
包装说明:SOP, SOP20,.4针数:20
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.81
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:20 V
最小输入电压:11 V标称输入电压:15 V
JESD-30 代码:R-PDSO-G20JESD-609代码:e3
长度:13 mm湿度敏感等级:3
功能数量:1端子数量:20
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP20,.4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:2.65 mm
子类别:Switching Regulator or Controllers表面贴装:YES
切换器配置:BOOST最大切换频率:68 kHz
温度等级:OTHER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:7.5 mmBase Number Matches:1

SG6901ASZ 数据手册

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Product Specification  
PFC / Flyback PWM Controller  
SG6901A  
very few external components to achieve versatile  
protections. It is available in a 20-pin SOP package.  
FEATURES OVERVIEW  
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Interleaved PFC/PWM switching  
Low start-up and operating current  
Innovative switching charge multiplier-divider  
Multi-vector control for improved PFC output  
transient response  
The patented interleave-switching feature synchronizes  
the PFC and PWM stages and reduces switching noise.  
For PFC stage, the proprietary multi-vector control  
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Average-current-mode control for PFC  
Programmable two-level PFC output voltage  
PFC over-voltage and under-voltage protections  
PFC and PWM feedback open-loop protection  
Cycle-by-cycle current limiting for PFC/PWM  
Slope compensation for PWM  
scheme provides a fast transient response in a  
low-bandwidth PFC loop, in which the overshoot and  
undershoot of the PFC voltage are clamped. If the  
feedback loop is broken, the SG6901A shuts off PFC to  
prevent extra-high voltage on output. Programmable  
two-level output voltage control reduces the PFC output  
voltage at low line input to increase the efficiency of the  
power supply.  
Constant power limit for PWM  
Brownout protection  
Over-temperature protection (OTP)  
For the flyback PWM, the synchronized slope  
compensation ensures the stability of the current loop  
under continuous-conduction-mode operation. Built-in  
APPLICATIONS  
„
Switching Power Supplies with Active PFC and  
Standby Power  
line-voltage  
compensation  
maintains  
constant  
„
High-Power Adaptors  
output-power limit. Hiccup operation during output  
overloading is also guaranteed.  
DESCRIPTION  
The highly integrated SG6901A is designed for power  
supplies with boost PFC and flyback PWM. It requires  
In addition, SG6901A provides protection functions, such  
as brownout and RI pin open/short protection.  
Typical Application  
© System General Corp.  
Version 1.0.1 (IAO33.0062.B0)  
- 1 -  
www.sg.com.tw • www.fairchildsemi.com  
September 26, 2007  

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