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TK11070 Datasheet Preview

TK11070 Datasheet

NEGATIVE SLOPE TEMPERATURE SENSOR IC

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TK11070 pdf
TK11070
NEGATIVE SLOPE TEMPERATURE SENSOR IC
FEATURES
s Linear Output Voltage -8 mV/°C Output
s Active High On/Off Control
s 2.7 to 10.0 V Supply Range
s Miniature Package (SOT-23-5)
s Minimum External Parts Count
s Low Power Consumption
DESCRIPTION
APPLICATIONS
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
s Liquid Crystal Panel Contrast Adjustment
The TK11070 is a temperature sensor IC with a linear
negative slope output of -8 mV/°C over the range of -30
to + 105 °C. Its wide operating voltage range of 2.7 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. In the ”off” state,
the standby current is 1 µA maximum.
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 TK11070 has a compensation pin for a 0.1 µF capacitor
that ensures stability over the IC's operating temperature
range.
The TK11070 is available in a miniature SOT-23-5 surface
mount package.
TK11070
VCC
01S
HS
CONTROL
VOUT
GND
Note: Pin 2 must connect to GND
BLOCK DIAGRAM
ORDERING INFORMATION
TK11070M
Tape/Reel Code
CONTROL
VCC
ON/OFF
CIRCUIT
TEMPERATURE
DETECTION
CIRCUIT
+
-
VCC
VOUT
TAPE/REEL CODE
TL: Tape Left
GND
HS
January 1999 TOKO, Inc.
Page 1



TOKO
TOKO

TK11070 Datasheet Preview

TK11070 Datasheet

NEGATIVE SLOPE TEMPERATURE SENSOR IC

No Preview Available !

TK11070 pdf
TK11070
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ......................................................... 12 V
Operating Voltage ....................................... 2.7 to 10.0 V
Power Dissipation (Note 1) ................................ 150 mW
Junction Temperature ........................................... 150 °C
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range .................-30 to +105 °C
Lead Soldering Temperature (10 s) ...................... 235 °C
TK11070 ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 3.0 V, VCONT = 2.4 V, IOUT = 0 µA, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
TA = -30 ° C
VOUT
Output Voltage
TA = -25° C
TA = 85 ° C
TC
Temperature Coefficient
TA = 25 to 85 ° C
Line Reg Line Regulation
VCC = 3 to 10 V
Load Reg Load Regulation
IOUT = 0 µA to ± 10 µA
ICC Supply Current
I Output Current
OUT
VCONT = 2.4 V
VOUT 20 mV
ISTBY
Standby Supply Current
VCONT 0.6 V
CONTROL TERMINAL SPECIFICATIONS
1.980
1.492
-8.5
-4
-8
-100
2.440
2.000
1.520
-8.0
2
0
75
V
2.020
V
1.548 V
-7.5 mV/° C
8 mV
8 mV
100 µA
10 µA
1 µA
ICONT
Control Current
2.0 3.5
VCONT(ON)
Control Voltage (ON)
VOUT = 1.98 to 2.02 V, Output ON 1.8
2.4
VCONT(OFF)
Control Voltage (OFF)
VOUT < 0.1 V, Output OFF
GND
Note 1: Power dissipation is 150 mW when mounted as recommended. Derate at 1.2 mW/°C for operation above 25 °C.
6.0
VCC
0.6
µA
V
V
Page 2
January 1999 TOKO, Inc.


Part Number TK11070
Description NEGATIVE SLOPE TEMPERATURE SENSOR IC
Maker TOKO
Total Page 6 Pages
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