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KA3844BD PDF预览

KA3844BD

更新时间: 2024-11-22 22:47:43
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
页数 文件大小 规格书
12页 94K
描述
SMPS Controller

KA3844BD 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP-14针数:14
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.75
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:30 V最小输入电压:12 V
标称输入电压:15 VJESD-30 代码:R-PDSO-G14
长度:8.56 mm功能数量:1
端子数量:14最高工作温度:70 °C
最低工作温度:最大输出电流:1 A
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP14,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:1.8 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:500 kHz技术:BIPOLAR
温度等级:COMMERCIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:3.95 mmBase Number Matches:1

KA3844BD 数据手册

 浏览型号KA3844BD的Datasheet PDF文件第2页浏览型号KA3844BD的Datasheet PDF文件第3页浏览型号KA3844BD的Datasheet PDF文件第4页浏览型号KA3844BD的Datasheet PDF文件第5页浏览型号KA3844BD的Datasheet PDF文件第6页浏览型号KA3844BD的Datasheet PDF文件第7页 
www.fairchildsemi.com  
KA3842B/KA3843B/KA3844B/KA3845B  
SMPS Controller  
Features  
Description  
• Low Start Up Current  
• Maximum Duty Clamp  
• UVLO With Hysteresis  
• Operating Frequency Up To 500KHz  
The KA3842B/KA3843B/KA3844B/KA3845B are fixed  
frequency current-mode PWM controller. They are spe-  
cially designed for Off - Line and DC-to-DC converter  
applications with minimum external components. These  
integrated circuits feature a trimmed oscillator for precise  
duty cycle control, a temperature compensated reference,  
high gain error amplifier. current sensing comparator, and a  
high current totempole output Ideally suited for driving a  
power MOSFET. Protection circuity Includes built in  
under-voltage lockout and current limiting. The KA3842B  
and KA3844B have UVLO thresholds of 16V (on) and  
10V (off) The KA3843B and KA3845B are 8.5V (on) and  
7.9V (off) The KA3842B and KA3843B can operate within  
100% duty cycle. The KA3844B and KA3845B can operate  
with 50% duty cycle.  
8-DIP  
1
14-SOP  
1
Rev. 5.0  
©2000 Fairchild Semiconductor International  

KA3844BD 替代型号

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