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KA3511DS

更新时间： 2024-11-24 03:47:19
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
18页 160K
描述
Intelligent Voltage Mode PWM IC

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中文翻译

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KA3511DS 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：DIP包装说明：SDIP, SDIP24,.3
针数：24Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.81模拟集成电路 - 其他类型：SWITCHING CONTROLLER
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：30 V最小输入电压：10 V
标称输入电压：20 VJESD-30 代码：R-PDIP-T24
JESD-609代码：e3长度：22.95 mm
功能数量：1端子数量：24
最高工作温度：85 °C最低工作温度：-25 °C
最大输出电流：0.2 A封装主体材料：PLASTIC/EPOXY
封装代码：SDIP封装等效代码：SDIP24,.3
封装形状：RECTANGULAR封装形式：IN-LINE, SHRINK PITCH
峰值回流温度（摄氏度）：NOT APPLICABLE认证状态：Not Qualified
座面最大高度：5.08 mm子类别：Switching Regulator or Controllers
表面贴装：NO切换器配置：PUSH-PULL
最大切换频率：10 kHz技术：BIPOLAR
温度等级：OTHER端子面层：Tin (Sn)
端子形式：THROUGH-HOLE端子节距：1.778 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT APPLICABLE
宽度：7.62 mmBase Number Matches：1

KA3511DS 数据手册

 浏览型号KA3511DS的Datasheet PDF文件第2页浏览型号KA3511DS的Datasheet PDF文件第3页浏览型号KA3511DS的Datasheet PDF文件第4页浏览型号KA3511DS的Datasheet PDF文件第5页浏览型号KA3511DS的Datasheet PDF文件第6页浏览型号KA3511DS的Datasheet PDF文件第7页 
www.fairchildsemi.com  
KA3511DS  
Intelligent Voltage Mode PWM IC  
Features  
Description  
• Complete PWM control and house keeping circuitry  
• Few external components  
• Precision voltage reference trimmed to 2%  
• Dual output for push-pull operation  
• Each output TR for 200mA sink current  
• Variable duty cycle by dead time control  
• Soft start capability by using dead time control  
• Double pulse suppression logic  
The KA3511DS is a fixed frequency improved performance  
pulse width modulation control circuit with complete  
housekeeping circuitry for use in the secondary side of  
SMPS (Switched mode power supply). It contains various  
functions, which are precision voltage reference, over  
voltage protection, under voltage protection, remote on/off  
control, power good signal generator and etc.  
OVP (Over voltage protection) section  
• Over voltage protection for 3.3V / 5V / 12V  
• Under voltage protection for 3.3V / 5V / 12V  
• One more external input for various protection (PT)  
• Remote on/off control function (PS-ON)  
• Latch function controlled by remote and protection input  
• Power good signal generator with hysteresis  
It has OVP functions for +3.3V,+5V,+12V and PT outputs.  
The circuit is made up of a comparator with four detecting  
inputs and without hysteresis voltage. Especially, PT (Pin18)  
is prepared for an extra OVP input or another protection  
signal.  
UVP (Under voltage protection) section  
It also has UVP functions for +3.3V, +5V, +12V outputs. The  
block is made up of a comparator with three detecting inputs  
and without hysteresis voltage.  
Precision reference section  
The reference voltage trimmed to ± 2%  
(4.9V ≤ Vref ≤ 5.1V)  
Remote on/off section  
PG (Power good signal generator) section  
Remote on/off section is used to control SMPS externally. If  
a high signal is supplied to the remote on/off input, PWM  
signal becomes a high state and all secondary outputs are  
grounded. The remote on/off signal is transferred with some  
on-delay and off-delay time of 8ms, 24ms respectively.  
Power good signal generator is to monitor the voltage level  
of power supply for safe operation of a microprocessor.  
KA3511DS requires few external components to accomplish  
a complete housekeeping circuits for SMPS.  
24-SDIP  
1
Rev. 1.0.0  
©2001 Fairchild Semiconductor Corporation  
1234567...18

中文翻译

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KA3511DS 替代型号

型号 品牌 替代类型 描述 数据表
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