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TC621CEOA

更新时间： 2024-11-05 22:20:07
品牌 Logo 应用领域
TELCOM 传感器换能器温度传感器输出元件
页数 文件大小 规格书
6页 77K
描述
5V, DUAL TRIP POINT TEMPERATURE SENSORS

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中文翻译

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TC621CEOA 技术参数

是否Rohs认证： 不符合生命周期：Transferred
包装说明：SOIC-8Reach Compliance Code：unknown
风险等级：5.75Is Samacsys：N
最大精度（摄氏度）：3 Cel主体宽度：3.9 mm
主体高度：1.37 mm主体长度或直径：4.9 mm
外壳：PLASTICJESD-609代码：e0
安装特点：SURFACE MOUNT端子数量：8
最大工作电流：0.4 mA最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装等效代码：SOP8,.25封装形状/形式：RECTANGULAR
电源：4.5/18 V传感器/换能器类型：TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,DUAL TRIP POINT
子类别：Other Sensors最大供电电压：18 V
最小供电电压：4.5 V表面贴装：YES
温度系数：NEGATIVE ppm/ °C端子面层：Tin/Lead (Sn/Pb)
端接类型：SOLDERBase Number Matches：1

TC621CEOA 数据手册

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2
TC620  
TC621  
5V, DUAL TRIP POINT TEMPERATURE SENSORS  
FEATURES  
GENERAL DESCRIPTION  
■ User-Programmable Hysteresis and Temperature  
Set Point  
■ Easily Programs with 2 External Resistors  
■ Wide Temperature Detection  
Range................ – 40°C to +125°C (TC620/621CVx)  
■ External Thermistor for Remote Sensing  
Applications (TC621x)  
The TC620 and TC621 are programmable logic output  
temperature detectors designed for use in thermal manage-  
ment applications. The TC620 features an on-board tem-  
perature sensor, while the TC621 connects to an external  
NTC thermistor for remote sensing applications.  
Both devices feature dual thermal interrupt outputs  
(HIGH LIMIT and LOW LIMIT), each of which program with  
a single external resistor. On the TC620, these outputs are  
driven active (high) when measured temperature equals the  
user-programmed limits. The CONTROL (hysteresis) out-  
put is driven high when temperature equals the high limit  
setting, and returns low when temperature falls below the  
low limit setting. This output can be used to provide simple  
ON/OFF control to a cooling fan or heater. The TC621  
provides the same output functions except that the logical  
states are inverted.  
APPLICATIONS  
■ Power Supply Overtemperature Detection  
■ Consumer Equipment  
■ Temperature Regulators  
■ CPU Thermal Protection  
ORDERING INFORMATION  
Ambient  
The TC620/621 are usable over a maximum tempera-  
ture range of – 40°C to +125°C.  
Part No.  
Package  
Temperature  
TC620x*COA  
TC620x*CPA  
TC620x*EOA  
TC620x*EPA  
TC620CVOA  
TC621x*COA  
TC621x*CPA  
8-Pin SOIC  
8-Pin Plastic DIP  
8-Pin SOIC  
8-Pin Plastic DIP – 40°C to +85°C  
8-Pin SOIC  
0°C to +70°C  
0°C to +70°C  
– 40°C to +85°C  
Ambient  
Temperature  
Part No.  
Package  
TC621x*EOA  
TC621x*EPA  
8-Pin SOIC  
8-Pin Plastic DIP  
– 40°C to +85°C  
– 40°C to +85°C  
– 40°C to +125°C  
0°C to +70°C  
8-Pin SOIC  
8-Pin Plastic DIP  
*The part code will be C or H (see Functional Block Diagram, below,  
and page 2).  
0°C to +70°C  
FUNCTIONAL BLOCK DIAGRAM  
VDD  
VDD  
8
4
8
Temp  
to  
Voltage  
Thermistor  
Interface  
Circuit  
1
THERMISTOR  
4
TC620  
TC621  
Converter  
+
–
+
7
7
HIGH LIMIT  
LOW LIMIT  
2
VREF  
GEN  
2
VREF  
GEN  
HIGH SET  
–
LOW SET  
VREF  
VREF  
+
–
+
–
6
5
6
5
LOW LIMIT  
CONTROL*  
HIGH LIMIT  
CONTROL*  
3
3
VREF  
GEN  
VREF  
GEN  
HIGH SET  
LOW SET  
R
Q
S
R
Q
S
Q
Q
*Suffix code "C" denotes cooling option (high true CONTROL output);  
suffix code "H" denotes heating option (low true CONTROL output).  
TC620/1-9 11/4/96  
TELCOM SEMICONDUCTOR, INC.  
2-15  
123456

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