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KA3511D

更新时间： 2024-11-24 21:11:19
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 开关光电二极管
页数 文件大小 规格书
21页 251K
描述
Switching Controller, Voltage-mode, 0.2A, 10kHz Switching Freq-Max, BIPolar, PDSO24, 0.300 INCH, SOP-24

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中文翻译

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KA3511D 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOP, SOP24,.3
针数：24Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.89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：14 V
标称输入电压：20 VJESD-30 代码：R-PDSO-G24
JESD-609代码：e0长度：15.2 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：SOP封装等效代码：SOP24,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
座面最大高度：2 mm子类别：Switching Regulator or Controllers
表面贴装：YES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/Lead (Sn/Pb)
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：NOT SPECIFIED
宽度：5.3 mmBase Number Matches：1

KA3511D 数据手册

 浏览型号KA3511D的Datasheet PDF文件第2页浏览型号KA3511D的Datasheet PDF文件第3页浏览型号KA3511D的Datasheet PDF文件第4页浏览型号KA3511D的Datasheet PDF文件第5页浏览型号KA3511D的Datasheet PDF文件第6页浏览型号KA3511D的Datasheet PDF文件第7页 
INTELLIGENT VOLTAGE MODE PWM IC  
KA3511/D  
GENERAL DESCRIPTION  
22-DIP-400 / 24-SOP-300  
The KA3511/D 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  
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 (Pin16) is prepared for an extra OVP  
input or another protection signal.  
ORDERING INFORMATION  
Device  
KA3511  
Package  
22 DIP  
Operating Temperature  
-25°C ~ 85°C  
UVP (Under voltage protection) section  
KA3511D  
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.  
24 SOP  
-25°C ~ 85°C  
FEATURES  
Remote on/off section  
•
Complete PWM control and house keeping  
circuitry  
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.  
•
•
•
•
•
•
•
•
•
•
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  
Precision reference section  
The reference voltage trimmed to ± 2%  
(4.9V≤Vref≤5.1V)  
Over voltage protection for 3.3V / 5V / 12V  
Under voltage protection for 3.3V / 5V / 12V  
PG (Power good signal generator) section  
Power good signal generator is to monitor the voltage  
level of power supply for safe operation of a  
microprocessor.  
One more external input for various protection  
(PT)  
•
•
Remote on/off control function (PS-ON)  
KA3511 requires few external components to  
accomplish a complete housekeeping circuits for  
SMPS. The KA3511 is available in a 22-pin dual in-line  
package.  
Latch function controlled by remote and protection  
input  
•
Power good signal generator with hysteresis  
1234567...21

中文翻译

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