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PDF TC623 Data sheet ( Hoja de datos )
| Número de pieza | TC623 | |
| Descripción | DUAL TRIP POINT TEMPERATURE SENSOR | |
| Fabricantes | TelCom Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TC623 (archivo pdf) en la parte inferior de esta página. Total 3 Páginas | ||
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1
TC623
3V, DUAL TRIP POINT TEMPERATURE SENSOR
FEATURES
s Integrated Temp Sensor and Detector Operate
from a Supply Voltage as Low as 2.7V
s Replaces Mechanical Thermostats and Switches
s On-Chip Temperature Sense
s 8-Pin DIP or SOIC for Direct PCB Mounting
s 2 User-Programmable Temperature Set Points
s 2 Independent Temperature Limit Outputs
s Heat/Cool Regulate Output
APPLICATIONS
s CPU Thermal Management
s System Over-or Under-Temperature Shutdown
s Advanced Thermal Warning
s Fan Speed Control Circuits
s Accurate Appliance Temperature Sensing
s Environmental Control
FUNCTIONAL BLOCK DIAGRAM
1
NC
2
LOW SET
TEMP
TO
VOLTAGE
CONVERTER
VREF
GEN.
TC623
+
–
VREF
3
HIGH SET
VREF
GEN.
+
–
8
VCC
7
LOW LIMIT
6
HIGH LIMIT
GENERAL DESCRIPTION
The TC623 is a 3V solid-state, programmable tempera-
ture sensor designed for use in thermal management appli-
cations. It features dual thermal interrupt outputs (LOW
LIMIT and HIGH LIMIT) each of which program with a single
external resistor. The HIGH LIMIT and LOW LIMIT outputs
are driven active (high) when measured temperature equals
the user-programmed limits. The CONTROL output is driven
active (high) when temperature equals the HIGH LIMIT
setpoint, and turned off when temperature falls below the
LOW LIMIT setpoint. The CONTROL output can be used to
provide simple ON/OFF control to a cooling fan if so desired.
Low voltage operation, easy setpoint programming,
small size and low cost make the TC623 an ideal choice for
many thermal management applications.
ORDERING INFORMATION
Part No.
Package
Temperature
Range
TC623CCOA
TC623CCPA
TC623CEOA
TC623CEPA
TC623CVOA
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
8-Pin Plastic DIP
8-Pin SOIC
0°C to +70°C
0°C to +70°C
– 40°C to +85°C
– 40°C to +85°C
– 40°C to +125°C
NOTE: Latch Q Output, ("C" Option), is a Standard Device. Contact
Factory for Latch Q Output, ("H" Option).
PIN CONFIGURATION (DIP and SOIC)
NC
LOW SET
HIGH SET
GND
1
2
3
4
TC623CCOA
TC623CEOA
TC623CVOA
8
7
6
5
VCC
LOW LIMIT
HIGH LIMIT
CONTROL
2
3
4
5
6
7
4
GND
RS
Q
LATCH
5
CONTROL
RLOW < RHIGH
NC 1
LOW SET 2
HIGH SET 3
GND 4
TC623CCPA
TC623CEPA
8 VCC
7 LOW LIMIT
6 HIGH LIMIT
5 CONTROL
8
TELCOM SEMICONDUCTOR, INC.
TC623-5 9/18/96
2-25
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet TC623.PDF ] | |
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