
January 1999 TOKO, Inc.
Page 1
TK11033
GND
VCONT
HS
ON/OFF
TDETECTION
CIRCUIT
VCC
VOUT
VCC
+
-
TK11033
TEMPERATURE SENSOR IC
FEATURES
I
Linear Output Voltage 5mV/
°
C Output
I
Active High On/Off Control
I
2.4 to 10.0 V Supply Range
I
Miniature Package (SOT-25)
I
Minimum External Parts Count
I
Low Power Consumption
APPLICATIONS
I
Home and Industrial Thermostats
I
Automotive Climate Control
I
Battery Charger Temperature Monitor
I
Notebook Computer Temperature Monitor
I
Electronic Thermometers
I
Fish Finder Water Temperature
I
Industrial Process Controllers
I
Home Appliance Temperature Control
BLOCK DIAGRAM
ORDERING INFORMATION
TAPE/REEL CODE
TL: Tape Left
Tape/Reel Code
TK11033M
HS
VCC
VCONT
GND
VOUT
01S
Note: Connect Pin 2 to GND
DESCRIPTION
The TK11033 is a temperature sensor IC with a linear
output of 5 mV/
°
C over the range of -30 to + 105
°
C. Its
wide operating voltage range of 2.4 to 10.0 V makes it
suitable for a number of applications requiring accurate
temperature control, such as electronic thermostats for
climate control, refrigerators, and industrial process
controls. The device is in the “on” state when the control pin
is pulled to a logic high level.
A typical application is to make a digital representation of
temperature with an A/D converter, or to make a thermal
detector with a comparator.
The TK11033 has a compensation pin for a 0.1
μ
F capacitor
that ensures stability over the IC's operating temperature
range.
The TK11033 is available in a miniature SOT-25 surface
mount package.