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KA3501 PDF预览

KA3501

更新时间: 2024-11-23 22:47:43
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 模拟IC开关信号电路光电二极管监控PC
页数 文件大小 规格书
6页 44K
描述
PC SMPS Supervisory IC

KA3501 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:DIP, DIP14,.3
针数:14Reach Compliance Code:compliant
HTS代码:8542.39.00.01风险等级:5.56
其他特性:ALSO REQUIRES AN ADDITIONAL SUPPLY OF 5V模拟集成电路 - 其他类型:ANALOG CIRCUIT
JESD-30 代码:R-PDIP-T14JESD-609代码:e3
长度:19.4 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:封装主体材料:PLASTIC/EPOXY
封装代码:DIP封装等效代码:DIP14,.3
封装形状:RECTANGULAR封装形式:IN-LINE
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:Power Management Circuits
最大供电电压 (Vsup):32 V最小供电电压 (Vsup):5 V
标称供电电压 (Vsup):20 V表面贴装:NO
技术:BIPOLAR温度等级:COMMERCIAL
端子面层:Matte Tin (Sn)端子形式:THROUGH-HOLE
端子节距:2.54 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 mm
Base Number Matches:1

KA3501 数据手册

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www.fairchildsemi.com  
KA3501  
PC SMPS Supervisory IC  
Features  
Description  
• Complete House Keeping Circuit  
• Few External Components  
• Positive Voltage Protection  
The KA3501 is complete housekeeping circuits for use in the  
secondary side of SMPS(Switched Mode Power Supply).  
This IC(Integrated Circuit) contains a precision voltage  
reference, protection circuits and a power good signal  
generator. It also has a high current drive output for use in  
conjunction with an external "crowbar" SCR. The reference  
voltage is trimmed to ±2% for correct output voltages(+5V/  
+12V) and power good signal generator is to monitor the  
voltage level of power good supply for safe operation in a  
microprocessor circuit. Using the KA3501 requires few  
external components to accomplish a complete  
• Negative Voltage Protection  
• High Current Drive Output for SCR  
• Precision Voltage Reference for 5V/12V Outputs  
• Power Good Signal Generator with Hysteresis  
housekeeping circuit for SMPS(Switched Mode Power  
Supply). The KA3501 is available in an 14-pin DIP.  
14-DIP  
1
Internal Block Diagram  
4
V
1(+5V)  
CC  
V
CC  
8
7
Vin1  
Positive  
Voltage  
Protection  
+5V  
Detecting  
START UP  
lchg  
COMP  
11  
Vin2  
5
Negative  
Voltage  
Protection  
PG  
INTERNAL  
BIAS  
GATE  
6
12  
V
CC  
Feedback  
14  
Detecting  
COMP  
Ve  
+2.5V  
REFERENCE  
VOLTAGE  
2
Vref  
V
CC  
2(+12V)  
1
9
10  
Timing  
13  
GND  
3
Vcont  
Td  
Rev. 1.0.2  
©2002 Fairchild Semiconductor Corporation  

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