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TOP203YAI*

更新时间： 2024-02-03 11:45:01
品牌 Logo 应用领域
帕沃英蒂格盛 - POWERINT /
页数 文件大小 规格书
16页 164K
描述
0-100 W TOPSwitch using 230 VAC input or 0

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TOP203YAI* 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SFM包装说明：TO-220,
针数：3Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.83模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最小输入电压：36 VJESD-30 代码：R-PSFM-T3
功能数量：1端子数量：3
最高工作温度：85 °C最低工作温度：-40 °C
标称输出电压：5.7 V封装主体材料：PLASTIC/EPOXY
封装代码：TO-220封装形状：RECTANGULAR
封装形式：FLANGE MOUNT认证状态：Not Qualified
表面贴装：NO切换器配置：BOOST
最大切换频率：100 kHz技术：CMOS
温度等级：INDUSTRIAL端子形式：THROUGH-HOLE
端子位置：SINGLEBase Number Matches：1

TOP203YAI* 数据手册

 浏览型号TOP203YAI*的Datasheet PDF文件第2页浏览型号TOP203YAI*的Datasheet PDF文件第3页浏览型号TOP203YAI*的Datasheet PDF文件第4页浏览型号TOP203YAI*的Datasheet PDF文件第6页浏览型号TOP203YAI*的Datasheet PDF文件第7页浏览型号TOP203YAI*的Datasheet PDF文件第8页 
TOP200-4/14  
V
IN  
V
IN  
0
DRAIN  
V
OUT  
0
0
I
OUT  
1
1
2
2
8
8
1
1
2
2
8
8
1
1
• • •  
• • •  
• • •  
• • •  
V
V
C
C(reset)  
0
0
45 mA  
I
C
3
4
1
1
2
PI-1119-110194  
Figure 6. Typical Waveforms for (1) Normal Operation, (2) Auto-restart, (3) Latching Shutdown, and (4) Power Down Reset.  
Shutdown/Auto-restart  
removing and restoring input power, or  
momentarilypullingtheCONTROLpin  
belowthepower-upresetthresholdresets  
the latch and allows TOPSwitch to  
resume normal power supply operation.  
VC is regulated in hysteretic mode when  
the power supply is latched off.  
High-voltage Bias Current Source  
This current source biases TOPSwitch  
from the DRAIN pin and charges the  
CONTROL pin external capacitance  
(CT) during start-up or hysteretic  
operation. Hysteretic operation occurs  
during auto-restart and latched  
shutdown. Thecurrentsourceisswitched  
onandoffwithaneffectivedutycycleof  
approximately 35%. This duty cycle is  
determined by the ratio of CONTROL  
pin charge (IC) and discharge currents  
(ICD1 and ICD2). This current source is  
turnedoffduringnormaloperationwhen  
the output MOSFET is switching.  
To minimize TOPSwitch power  
dissipation, the shutdown/auto-restart  
circuit turnsthe power supplyonandoff  
at a duty cycle of typically 5% if an out  
of regulation condition persists. Loss of  
regulationinterruptstheexternalcurrent  
into the CONTROL pin. VC regulation  
changes from shunt mode to the  
hysteretic auto-restart mode described  
above. When the fault condition is  
removed, the power supply output  
becomesregulated,VCregulationreturns  
to shunt mode, and normal operation of  
the power supply resumes.  
Overtemperature Protection  
Temperature protection is provided by a  
precision analog circuit that turns the  
output MOSFET off when the junction  
temperature exceeds the thermal  
shutdowntemperature(typically145°C).  
Activating the power-up reset circuit by  
removing and restoring input power or  
momentarilypullingtheCONTROLpin  
belowthepower-upresetthresholdresets  
the latch and allows TOPSwitch to  
resume normal power supply operation.  
VC is regulated in hysteretic mode when  
the power supply is latched off.  
Latching Shutdown  
The output overvoltage protection latch  
is activated by a high-current pulse into  
the CONTROL pin. When set, the latch  
turns off the TOPSwitch output.  
Activating the power-up reset circuit by  
D
7/96  
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