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TOKO  Inc
TOKO Inc


K11044

TEMPERATURE SENSOR IC



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K11044 pdf
ADVANCED INFORMATION
TK11044
ADVANCED
INFORMATION
TEMPERATURE SENSOR IC
FEATURES
APPLICATIONS
s Linear Output Voltage 10 mV/°C Output
s 2.4 to 8.0 Volt Supply Range
s Miniature Package (SOT-23L)
s Minimum External Parts Count
s Low Power Consumption
s Home and Industrial Thermostats
s Automotive Climate Control
s Battery Charger Temperature Monitor
s Notebook Computer Temperature Monitor
s Electronic Thermometers
s Fish Finder Water Temperature
s Industrial Process Controllers
s Home Appliance Temperature Control
DESCRIPTION
The TK11044 is a temperature sensor IC with a linear
output of 10 mV/°C over the range of -25 to + 105 °C. Its
wide operating voltage range of 2.4 to 8.0 volts makes it
suitable for a number of applications requiring accurate
temperature control, such as electronic thermostats for
climate control, refrigerators, and industrial process controls.
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 TK11044 has a compensation pin for a 0.1 µF capacitor
that insures stability over the IC's operating temperature
range.
The TK11044 is available in a miniature SOT 23L-6 surface
mount package.
TK11044
VCC
VOUT
20P
GND
GND
NC NC
Note: Both GND pins must connect to GND
BLOCK DIAGRAM
ORDERING INFORMATION
TK11044M-1
Tape/Reel Code
VCC
GND
NC
TAPE/REEL CODE
TL: Tape Left
TEMPERATURE
DETECTION
CIRCUIT
VCC
+
-
VOUT
GND
NC
May, 1998 TOKO, Inc.
Page 1



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K11044 pdf
TK11044
ADVANCED INFORMATION
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ......................................................... 12 V
Operating Voltage ............................................ 2.4 to 8 V
Power Dissipation (Note 1) ................................ 200 mW
Junction Temperature ........................................... 150 °C
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range .................-25 to +105 °C
Lead Soldering Temp. (10 s) ................................. 235 °C
TK11044 ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 3.0 V, IOUT = 0 µA, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
TA = 25 °C
965 995 1025 mV
VOUT
Output Voltage
TA = 85 °C
TA = -25 °C
1573
1613
480
1653
mV
mV
TC
Temperature Coefficient
TA = 25 °C to 85 °C
9.5 10.3 11.1 mV/ °C
Line Reg Line Regulation
VCC = 3 V to 5 V
-20 -5 20 mV
Load Reg Load Regulation
IOUT = 0 µA to 400 µA
3 20 mV
ICC Supply Current
TA = 25 °C
160 200
µA
IOUT Output Current
VOUT 20 mV
400 µA
Note 1: Power dissipation is 200 mW when mounted as recommended. Derate at 1.6 mW/°C for operation above 25 °C.
Page 2
May, 1998 TOKO, Inc.



Part Number K11044
Description TEMPERATURE SENSOR IC
Maker TOKO  Inc - TOKO Inc
Total Page 5 Pages
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